Orbit Fit and Astrometric record for 470316

The following information shows the result of the orbit fit based on Gary Bernstein's method. Most of the information should be self-explanatory. Take special note that while the original Bernstein software works with barycentric coordinates, we convert these results into a heliocentric coordinate system.

# Object: 470316    
# Created Tue Dec 12 02:36:53 2017
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   95 observations of   95
# Arc:   7.96y
# First observation: 2007/07/22
#  Last observation: 2015/07/08
# Chi-squared of fit:    88.77 DOF:  184 RMS:  0.17
# Min/Max residuals:    -0.71    0.70
# Exact a, adot, b, bdot, g, gdot:
  1.785029E-05  3.370135E-02  1.344742E-06  8.137665E-03  2.896840E-02  1.973603E-04
# Covariance matrix:
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00
#      lat0       lon0       xBary       yBary       zBary        JD0
   17.474035  -51.265165    0.166264    0.299941   -0.952665  2454303.866744
# Heliocentric elements and errors
Epoch:              2454304.5000  =  2007/07/23
Mean Anomaly:            0.09145 +/-     0.000
Argument of Peri:       52.21125 +/-     0.000
Long of Asc Node:      258.11019 +/-     0.000
Inclination:            21.64563 +/-     0.000
Eccentricity:         0.28972676 +/-    0.0000
Semi-Major Axis:     49.94912280 +/-    0.0000
Time of Perihelion: 2454271.7443 +/-       0.0
Perihelion:          35.47752549 +/-    0.0000
Aphelion:            64.42072012 +/-    0.0000
Period (y)              353.0206 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           21.09775376 +/-    0.0000
Ecliptic Y          -26.57245662 +/-    0.0000
Ecliptic Z           10.36564731 +/-    0.0000
Ecliptic XDOT         0.00235748 +/-    0.0000
Ecliptic YDOT         0.00215717 +/-    0.0000
Ecliptic ZDOT         0.00073912 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   35.47756020 +/-    0.0000
Geocenter to KBO     34.52040006 +/-    0.0000
# Hcoef:  5.48

The following table shows the complete astrometric record for 470316. The first three columns show the date of observation. The next six columns are RA and DEC. The next column (when provided) is the observed magnitude and filter. The next column is the object name (470316) followed by the observatory code and reference code for the source of the astrometry.

2007 07  22.36599  20 26 36.72   -01 10 22.9   20.6R 470316    675  Cv4528      
2007 07  22.41690  20 26 36.46   -01 10 23.5   20.9R 470316    675  Cv4528      
2007 07  24.19947  20 26 26.91   -01 10 44.1   20.6R 470316    675  Cv4528      
2007 07  24.24589  20 26 26.61   -01 10 44.3   21.1R 470316    675  Cv4528      
2007 08  05.36813  20 25 21.34   -01 13 48.3         470316    675  Cv4528      
2007 08  05.42330  20 25 21.04   -01 13 49.1         470316    675  Cv4528      
2007 08  15.23407  20 24 29.84   -01 17 08.4         470316    675  Cv4528      
2007 08  15.28548  20 24 29.59   -01 17 09.5         470316    675  Cv4528      
2007 08  15.33373  20 24 29.29   -01 17 11.0         470316    675  Cv4528      
2007 09  03.17394  20 23 02.35   -01 25 08.4         470316    675  Cv4528      
2007 09  03.22817  20 23 02.10   -01 25 09.1         470316    675  Cv4528      
2007 09  03.29760  20 23 01.80   -01 25 11.3         470316    675  Cv4528      
2007 09  03.35149  20 23 01.60   -01 25 12.8         470316    675  Cv4528      
2008 05  10.41014  20 37 40.19   -00 29 21.3         470316    675  Cy9834      
2008 05  11.40779  20 37 39.94   -00 28 47.3         470316    675  Cy9834      
2008 05  12.40423  20 37 39.54   -00 28 14.4         470316    675  Cy9834      
2008 06  27.33766  20 35 39.13   -00 13 13.2         470316    675  Cz2052      
2008 06  27.39289  20 35 38.86   -00 13 12.9         470316    675  Cz2052      
2008 06  27.44671  20 35 38.63   -00 13 12.9         470316    675  Cz2052      
2009 05  30.45137  20 44 10.45   +00 35 18.7         470316    675  C~07SO      
2009 05  31.39486  20 44 08.45   +00 35 41.4         470316    675  C~07SO      
2009 05  31.44948  20 44 08.33   +00 35 42.5         470316    675  C~07SO      
2011 08  18.36934  20 52 17.986  +02 25 23.13  20.6r 470316    F51  C~1vVj      
2011 08  18.38160  20 52 17.920  +02 25 22.84  20.7r 470316    F51  C~1vVj      
2011 08  18.39507  20 52 17.848  +02 25 22.50  20.3i 470316    F51  C~1vVj      
2011 08  18.40810  20 52 17.787  +02 25 22.18  20.3i 470316    F51  C~1vVj      
2011 08  19.34419  20 52 13.003  +02 24 58.78  20.7r 470316    F51  C~1vVj      
2011 08  19.35453  20 52 12.947  +02 24 58.52  20.6r 470316    F51  C~1vVj      
2011 08  19.36660  20 52 12.883  +02 24 58.24  20.4i 470316    F51  C~1vVj      
2011 08  19.37817  20 52 12.825  +02 24 57.89  20.4i 470316    F51  C~1vVj      
2012 08  19.07694  20 59 09.99   +03 20 23.12        470316    I17  C~0iFT      
2012 08  19.10776  20 59 09.82   +03 20 22.71        470316    I17  C~0iFT      
2012 08  19.13888  20 59 09.65   +03 20 21.82        470316    I17  C~0iFT      
2012 08  26.33147  20 58 33.606  +03 17 06.51  20.4i 470316    F51  C~1vVj      
2012 08  26.34327  20 58 33.548  +03 17 06.06  20.5i 470316    F51  C~1vVj      
2012 08  26.40225  20 58 33.260  +03 17 04.40  21.0r 470316    F51  C~1vVj      
2012 08  26.41298  20 58 33.198  +03 17 04.22  20.7r 470316    F51  C~1vVj      
2013 07  16.52177  21 09 04.323  +04 24 23.64  20.7w 470316    F51  C~1vVj      
2013 07  16.53881  21 09 04.240  +04 24 23.58  20.7w 470316    F51  C~1vVj      
2013 07  16.55292  21 09 04.170  +04 24 23.52  20.6w 470316    F51  C~1vVj      
2013 07  16.56911  21 09 04.089  +04 24 23.46  20.7w 470316    F51  C~1vVj      
2014 05  11.59482  21 18 35.094  +04 55 48.33  20.7w 470316    F51  C~1vVj      
2014 05  11.59965  21 18 35.099  +04 55 48.62  20.6w 470316    F51  C~1vVj      
2014 05  11.60452  21 18 35.104  +04 55 48.83  20.8w 470316    F51  C~1vVj      
2014 05  11.60937  21 18 35.104  +04 55 48.98  20.8w 470316    F51  C~1vVj      
2014 06  01.51969  21 18 29.362  +05 08 29.90  20.7w 470316    F51  C~1vVj      
2014 06  01.53161  21 18 29.338  +05 08 30.18  20.7w 470316    F51  C~1vVj      
2014 06  01.54354  21 18 29.318  +05 08 30.59  20.8w 470316    F51  C~1vVj      
2014 06  01.55551  21 18 29.305  +05 08 30.90  20.7w 470316    F51  C~1vVj      
2014 07  03.50077  21 17 00.133  +05 18 33.24  20.7w 470316    F51  C~1vVj      
2014 07  03.51317  21 17 00.085  +05 18 33.35  20.9w 470316    F51  C~1vVj      
2014 07  03.52559  21 17 00.033  +05 18 33.41  20.7w 470316    F51  C~1vVj      
2014 07  03.53810  21 16 59.980  +05 18 33.52  20.7w 470316    F51  C~1vVj      
2014 07  05.53082  21 16 51.780  +05 18 45.79  20.8w 470316    F51  C~1vVj      
2014 07  05.54303  21 16 51.725  +05 18 45.91  20.8w 470316    F51  C~1vVj      
2014 07  05.55525  21 16 51.677  +05 18 45.93  20.8w 470316    F51  C~1vVj      
2014 07  05.56746  21 16 51.618  +05 18 45.96  20.8w 470316    F51  C~1vVj      
2014 08  06.38643  21 14 16.236  +05 15 17.94  20.1i 470316    F51  C~1vVj      
2014 08  06.39844  21 14 16.170  +05 15 17.76  20.3i 470316    F51  C~1vVj      
2014 08  06.41045  21 14 16.080  +05 15 17.60  20.3i 470316    F51  C~1vVj      
2014 08  17.41993  21 13 18.050  +05 11 25.02  20.1i 470316    F51  C~1vVj      
2014 08  17.43233  21 13 17.992  +05 11 24.78  20.3i 470316    F51  C~1vVj      
2014 08  17.44474  21 13 17.898  +05 11 24.91  19.7i 470316    F51  C~1vVj      
2014 08  18.40720  21 13 12.902  +05 11 00.85  20.3i 470316    F51  C~1vVj      
2014 08  18.41962  21 13 12.841  +05 11 00.52  20.3i 470316    F51  C~1vVj      
2014 08  18.43205  21 13 12.772  +05 11 00.29  20.2i 470316    F51  C~1vVj      
2014 08  18.44442  21 13 12.714  +05 10 59.89  20.4i 470316    F51  C~1vVj      
2014 08  19.40298  21 13 07.728  +05 10 35.80  20.7w 470316    F51  C~1vVj      
2014 08  19.41543  21 13 07.665  +05 10 35.46  20.6w 470316    F51  C~1vVj      
2014 08  19.42791  21 13 07.597  +05 10 35.20  20.6w 470316    F51  C~1vVk      
2014 08  19.44036  21 13 07.531  +05 10 34.82  20.6w 470316    F51  C~1vVk      
2014 08  29.32759  21 12 17.520  +05 05 59.19  20.6w 470316    F51  C~1vVk      
2014 08  29.34084  21 12 17.450  +05 05 58.85  20.6w 470316    F51  C~1vVk      
2014 08  29.35412  21 12 17.398  +05 05 58.56  20.8w 470316    F51  C~1vVk      
2014 08  29.36746  21 12 17.305  +05 05 58.09  20.8w 470316    F51  C~1vVk      
2014 09  15.38112  21 11 01.241  +04 56 35.08  20.4i 470316    F51  C~1vVk      
2014 09  15.39335  21 11 01.201  +04 56 34.66  20.4i 470316    F51  C~1vVk      
2014 09  15.40562  21 11 01.141  +04 56 34.04  20.3i 470316    F51  C~1vVk      
2014 09  15.41789  21 11 01.110  +04 56 33.84  20.4i 470316    F51  C~1vVk      
2014 10  09.34051  21 09 49.117  +04 42 01.52  20.4i 470316    F51  C~1vVk      
2014 10  09.35437  21 09 49.101  +04 42 00.98  20.5i 470316    F51  C~1vVk      
2014 10  09.36830  21 09 49.063  +04 42 00.36  20.3i 470316    F51  C~1vVk      
2014 10  09.38219  21 09 49.046  +04 41 59.98  20.3i 470316    F51  C~1vVk      
2014 11  20.20492  21 10 01.361  +04 21 26.15  20.6w 470316    F51  C~1vVk      
2014 11  20.21720  21 10 01.404  +04 21 25.89  20.6w 470316    F51  C~1vVk      
2014 11  20.22944  21 10 01.432  +04 21 25.62  20.7w 470316    F51  C~1vVk      
2014 11  20.24165  21 10 01.463  +04 21 25.44  20.5w 470316    F51  C~1vVk      
2015 06  11.52098  21 25 03.002  +06 06 11.66  20.4i 470316    F51  C~1vVk      
2015 06  11.53385  21 25 02.978  +06 06 11.94  20.4i 470316    F51  C~1vVk      
2015 06  11.54679  21 25 02.951  +06 06 12.28  20.4i 470316    F51  C~1vVk      
2015 06  11.55966  21 25 02.925  +06 06 12.58  20.7i 470316    F51  C~1vVk      
2015 07  08.52950  21 23 35.527  +06 12 50.44  20.3i 470316    F51  C~1vVk      
2015 07  08.54225  21 23 35.472  +06 12 50.43  20.2i 470316    F51  C~1vVk      
2015 07  08.55502  21 23 35.420  +06 12 50.56  20.3i 470316    F51  C~1vVk      
2015 07  08.56762  21 23 35.369  +06 12 50.68  20.3i 470316    F51  C~1vVk      

The following table shows the residuals to the orbit fit. The first coumn is the point number. The second column is the time, in years, measured from the first observation. The third and fifth columns are the regularized positions used in the orbit fit. The fourth and sixth columns are the residuals, in arc seconds, for RA and Dec respectively.

  1   0.0000      0.00    -0.18       0.00     0.18
  2   0.0001      0.00     0.28       0.00     0.61
  3   0.0050      0.00     0.67       0.00     0.35
  4   0.0051      0.00    -0.03       0.00     0.70
  5   0.0383      0.00     0.01       0.00    -0.31
  6   0.0385      0.00    -0.02       0.00    -0.11
  7   0.0653      0.00    -0.17       0.00    -0.17
  8   0.0655      0.00     0.06       0.00    -0.12
  9   0.0656      0.00    -0.71       0.00    -0.55
 10   0.1172      0.00     0.30       0.00    -0.50
 11   0.1174      0.00    -0.07       0.00     0.30
 12   0.1175      0.00    -0.25       0.00     0.02
 13   0.1177      0.00     0.08       0.00     0.02
 14   0.8023      0.00    -0.35       0.00    -0.10
 15   0.8050      0.00     0.17       0.00     0.21
 16   0.8078      0.00     0.01       0.00    -0.04
 17   0.9335      0.00     0.27       0.00     0.05
 18   0.9337      0.00    -0.03       0.00     0.08
 19   0.9338      0.00     0.17       0.00    -0.19
 20   1.8565      0.00     0.33       0.00     0.02
 21   1.8591      0.00     0.14       0.00    -0.09
 22   1.8592      0.00     0.18       0.00    -0.30
 23   4.0739      0.00     0.05       0.00    -0.06
 24   4.0740      0.00     0.02       0.00    -0.05
 25   4.0740      0.00    -0.00       0.00    -0.06
 26   4.0740      0.00     0.10       0.00    -0.05
 27   4.0766      0.00     0.14       0.00    -0.07
 28   4.0766      0.00     0.11       0.00    -0.07
 29   4.0767      0.00     0.09       0.00    -0.05
 30   4.0767      0.00     0.12       0.00    -0.11
 31   5.0779      0.00     0.17       0.00    -0.41
 32   5.0780      0.00     0.02       0.00    -0.04
 33   5.0781      0.00    -0.10       0.00    -0.13
 34   5.0978      0.00     0.00       0.00     0.04
 35   5.0978      0.00     0.02       0.00    -0.08
 36   5.0980      0.00     0.10       0.00    -0.04
 37   5.0980      0.00    -0.03       0.00     0.09
 38   5.9854      0.00     0.00       0.00    -0.05
 39   5.9854      0.00     0.02       0.00    -0.04
 40   5.9855      0.00     0.02       0.00    -0.04
 41   5.9855      0.00     0.01       0.00    -0.04
 42   6.8042      0.00    -0.04       0.00     0.01
 43   6.8042      0.00    -0.02       0.00     0.09
 44   6.8042      0.00     0.00       0.00     0.10
 45   6.8042      0.00    -0.05       0.00     0.04
 46   6.8615      0.00    -0.01       0.00     0.15
 47   6.8615      0.00    -0.11       0.00     0.07
 48   6.8615      0.00    -0.16       0.00     0.12
 49   6.8616      0.00    -0.09       0.00     0.07
 50   6.9490      0.00     0.03       0.00    -0.05
 51   6.9491      0.00     0.08       0.00    -0.03
 52   6.9491      0.00     0.07       0.00    -0.05
 53   6.9491      0.00     0.06       0.00    -0.03
 54   6.9546      0.00     0.10       0.00     0.02
 55   6.9546      0.00     0.06       0.00     0.07
 56   6.9547      0.00     0.12       0.00     0.03
 57   6.9547      0.00     0.02       0.00    -0.01
 58   7.0418      0.00     0.12       0.00    -0.26
 59   7.0418      0.00     0.10       0.00    -0.23
 60   7.0419      0.00    -0.28       0.00    -0.17
 61   7.0720      0.00     0.11       0.00    -0.08
 62   7.0721      0.00     0.23       0.00    -0.02
 63   7.0721      0.00    -0.19       0.00     0.42
 64   7.0747      0.00     0.13       0.00     0.04
 65   7.0748      0.00     0.21       0.00     0.02
 66   7.0748      0.00     0.16       0.00     0.10
 67   7.0748      0.00     0.28       0.00     0.01
 68   7.0774      0.00     0.18       0.00     0.03
 69   7.0775      0.00     0.22       0.00     0.01
 70   7.0775      0.00     0.19       0.00     0.06
 71   7.0775      0.00     0.19       0.00    -0.00
 72   7.1046      0.00     0.10       0.00    -0.02
 73   7.1047      0.00     0.04       0.00     0.04
 74   7.1047      0.00     0.25       0.00     0.15
 75   7.1047      0.00    -0.14       0.00     0.08
 76   7.1513      0.00    -0.07       0.00    -0.02
 77   7.1513      0.00     0.07       0.00    -0.01
 78   7.1514      0.00    -0.08       0.00    -0.19
 79   7.1514      0.00     0.20       0.00     0.04
 80   7.2169      0.00     0.09       0.00     0.10
 81   7.2169      0.00     0.27       0.00     0.06
 82   7.2170      0.00     0.12       0.00    -0.05
 83   7.2170      0.00     0.28       0.00     0.07
 84   7.3315      0.00    -0.20       0.00     0.07
 85   7.3316      0.00    -0.01       0.00     0.05
 86   7.3316      0.00    -0.05       0.00     0.02
 87   7.3316      0.00    -0.04       0.00     0.08
 88   7.8882      0.00    -0.04       0.00     0.09
 89   7.8882      0.00     0.02       0.00     0.05
 90   7.8882      0.00     0.04       0.00     0.07
 91   7.8883      0.00     0.08       0.00     0.05
 92   7.9621      0.00    -0.07       0.00     0.06
 93   7.9622      0.00    -0.07       0.00    -0.01
 94   7.9622      0.00    -0.02       0.00     0.07
 95   7.9622      0.00     0.03       0.00     0.13

The following table comes from a 10My integration of the orbit of the object. Three columns are shown. The first column is the result of integrating the nominal orbit. The other two columns are based on clones of the nominal orbit that are +/- 3 sigma from the nominal orbit. If all three types agree then the classificiation is deemed secure. The basis for these calculations is described in more detail in AJ, 129, 1117 (2005). Any use made of these calculations should refer to and credit this publication and the Deep Ecliptic Survey Team.

470316    quality flag:3

Type:       SCATNEAR  SCATNEAR  SCATNEAR

axisobj        49.725    49.725    49.725
ecceobj         0.287     0.287     0.287
incobj         21.709    21.709    21.709
qmin           34.498    34.368    34.470
qmax           65.800    65.964    65.643
amean          49.787    49.787    49.752
amin           49.228    49.232    49.231
amax           50.418    50.451    50.369
emean           0.284     0.286     0.285
emin            0.263     0.266     0.266
emax            0.306     0.309     0.304
imean          23.193    23.119    23.170
imin           22.379    22.276    22.360
imax           23.824    23.753    23.793
excite_mean     0.486     0.486     0.486
fracstop        1.000     1.000     1.000
cjmean          2.870     2.870     2.870

libcent 0      -180.0    -180.0    -180.0
libamp  0      -180.0    -180.0    -180.0
libcent 1      -180.0    -180.0    -180.0
libamp  1      -180.0    -180.0    -180.0
libcent 2      -180.0    -180.0    -180.0
libamp  2      -180.0    -180.0    -180.0
libcent 3      -180.0    -180.0    -180.0
libamp  3      -180.0    -180.0    -180.0
libcent 4      -180.0    -180.0    -180.0
libamp  4      -180.0    -180.0    -180.0

kozaimean       170.1     172.3     169.4
kozaiamp        180.0     180.0     180.0