Orbit Fit and Astrometric record for 148780

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: 148780    
# Created Fri Nov 28 02:36:51 2014
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   70 observations of   70
# Arc:   6.95y
# First observation: 2001/10/20
#  Last observation: 2008/10/02
# Chi-squared of fit:   539.31 DOF:  134 RMS:  0.49
# Min/Max residuals:    -1.05    1.91
# Exact a, adot, b, bdot, g, gdot:
  1.677639E-05  2.088161E-02 -6.978495E-08  1.176493E-03  2.261683E-02  1.443698E-03
# 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
    4.127074   53.440609    0.444306    0.063671   -0.883838  2452202.892053
# Heliocentric elements and errors
Epoch:              2452202.5000  =  2001/10/20
Mean Anomaly:           99.42415 +/-     0.000
Argument of Peri:      305.16654 +/-     0.000
Long of Asc Node:        1.89032 +/-     0.000
Inclination:             5.20065 +/-     0.000
Eccentricity:         0.05841154 +/-    0.0000
Semi-Major Axis:     44.53517830 +/-    0.0000
Time of Perihelion: 2422221.7414 +/-       0.0
Perihelion:          41.93381003 +/-    0.0000
Aphelion:            47.13654657 +/-    0.0000
Period (y)              297.2097 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           27.15481793 +/-    0.0000
Ecliptic Y           35.87618323 +/-    0.0000
Ecliptic Z            3.18209067 +/-    0.0000
Ecliptic XDOT        -0.00194138 +/-    0.0000
Ecliptic YDOT         0.00163804 +/-    0.0000
Ecliptic ZDOT         0.00015484 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   45.10661847 +/-    0.0000
Geocenter to KBO     44.21484868 +/-    0.0000
# Hcoef:  5.57

The following table shows the complete astrometric record for 148780. 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 (148780) followed by the observatory code and reference code for the source of the astrometry.

2001 10  20.39131  03 19 44.54   +22 37 33.1   22.0R 148780    695  Ce1017      
2001 10  21.28067  03 19 40.71   +22 37 21.8         148780    695  Ce1018      
2001 10  21.34147  03 19 40.44   +22 37 21.0         148780    695  Ce1018      
2001 12  16.13413  03 15 23.77   +22 21 42.8   20.0  148780    304  Ce9578      
2001 12  16.17648  03 15 23.62   +22 21 41.8         148780    304  Ce9578      
2002 02  03.38481  03 13 41.64   +22 11 48.6   22.0R 148780    568  Cf2365      
2002 02  04.38060  03 13 41.77   +22 11 44.3         148780    568  Cf2365      
2002 02  05.38153  03 13 42.08   +22 11 40.1         148780    568  Cf2365      
2002 09  09.43154  03 26 44.58   +23 03 29.3   21.8R 148780    662  Cg3236      
2002 09  09.49861  03 26 44.47   +23 03 29.5         148780    662  Cg3236      
2002 09  09.51369  03 26 44.44   +23 03 29.6         148780    662  Cg3236      
2002 09  10.50558  03 26 43.04   +23 03 30.5         148780    662  Cg3236      
2003 10  22.31634  03 29 33.42   +23 20 47.9   22.2R 148780    304  Ci9379      
2003 10  22.33072  03 29 33.37   +23 20 47.6         148780    304  Ci9379      
2003 10  23.24024  03 29 29.45   +23 20 37.0   21.9R 148780    304  Ci9379      
2003 10  23.28588  03 29 29.24   +23 20 36.7         148780    304  Ci9379      
2003 12  23.22747  03 24 50.33   +23 04 23.0   22.0R 148780    568  Ck1159      
2003 12  23.41743  03 24 49.60   +23 04 20.0         148780    568  Ck1159      
2003 12  24.21636  03 24 46.69   +23 04 07.1   22.0R 148780    568  Ck1159      
2003 12  24.22172  03 24 46.68   +23 04 07.0         148780    568  Ck1159      
2003 12  24.27794  03 24 46.46   +23 04 06.1         148780    568  Ck1159      
2003 12  24.28328  03 24 46.45   +23 04 05.9         148780    568  Ck1159      
2003 12  24.31503  03 24 46.33   +23 04 05.5         148780    568  Ck1159      
2003 12  24.32037  03 24 46.31   +23 04 05.4         148780    568  Ck1159      
2003 12  24.36636  03 24 46.14   +23 04 04.6         148780    568  Ck1159      
2003 12  24.37170  03 24 46.12   +23 04 04.6         148780    568  Ck1159      
2003 12  24.41419  03 24 45.96   +23 04 03.9         148780    568  Ck1159      
2003 12  24.41953  03 24 45.94   +23 04 03.8         148780    568  Ck1159      
2003 12  24.46456  03 24 45.77   +23 04 03.1         148780    568  Ck1159      
2003 12  24.46984  03 24 45.75   +23 04 02.8         148780    568  Ck1159      
2004 02  16.85245  03 23 30.12   +22 55 18.0   21.6R 148780    493  Cs6819      
2004 02  16.91483  03 23 30.19   +22 55 17.9   21.5R 148780    493  Cs6819      
2004 02  17.82314  03 23 31.27   +22 55 17.0   22.2R 148780    493  Cs6819      
2004 02  17.84581  03 23 31.30   +22 55 16.9   22.2R 148780    493  Cs6819      
2004 02  17.88538  03 23 31.35   +22 55 16.7   21.9R 148780    493  Cs6819      
2006 08  06.26007  03 46 04.03   +24 18 30.0   22.5R 148780    250  S~06Hd      
2006 08  06.26446  03 46 04.04   +24 18 30.1         148780    250  S~06Hd      
2006 08  06.26886  03 46 04.05   +24 18 30.2         148780    250  S~06Hd      
2006 08  06.27326  03 46 04.05   +24 18 30.2         148780    250  S~06Hd      
2006 12  24.28153  03 39 36.50   +24 06 01.6   21.9R 148780    688  Ct1886      
2006 12  24.35923  03 39 36.17   +24 06 00.6         148780    688  Ct1886      
2007 07  25.06848  03 50 21.09   +24 33 37.9   23.2R 148780    250  S~06Hd      
2007 07  25.07682  03 50 21.11   +24 33 38.0         148780    250  S~06Hd      
2007 07  25.08446  03 50 21.14   +24 33 38.2         148780    250  S~06Hd      
2007 07  25.09209  03 50 21.17   +24 33 38.3         148780    250  S~06Hd      
2007 08  07.91918  03 50 59.45   +24 36 56.7         148780    250  S~06He      
2007 08  07.92682  03 50 59.47   +24 36 56.8         148780    250  S~06He      
2007 08  07.93515  03 50 59.49   +24 36 56.9         148780    250  S~06He      
2007 08  07.94279  03 50 59.50   +24 36 57.0         148780    250  S~06He      
2007 10  06.87473  03 50 25.67   +24 41 31.3         148780    250  S~06He      
2007 10  06.88237  03 50 25.65   +24 41 31.3         148780    250  S~06He      
2007 10  06.89071  03 50 25.62   +24 41 31.2         148780    250  S~06He      
2007 10  06.93585  03 50 25.48   +24 41 31.0         148780    250  S~06He      
2007 11  12.31212  03 47 53.15   +24 36 02.4         148780    250  S~06He      
2007 11  12.31837  03 47 53.12   +24 36 02.3         148780    250  S~06He      
2007 11  12.36629  03 47 52.88   +24 36 01.7         148780    250  S~06He      
2007 11  12.37531  03 47 52.84   +24 36 01.5         148780    250  S~06He      
2007 11  12.38434  03 47 52.79   +24 36 01.4         148780    250  S~06He      
2007 11  12.43295  03 47 52.56   +24 36 00.8         148780    250  S~06He      
2007 11  12.44059  03 47 52.53   +24 36 00.7         148780    250  S~06He      
2007 11  12.44684  03 47 52.49   +24 36 00.6         148780    250  S~06He      
2008 07  25.26155  03 55 15.99   +24 51 22.0         148780    250  S~06He      
2008 07  25.26918  03 55 16.02   +24 51 22.2         148780    250  S~06He      
2008 07  25.32821  03 55 16.21   +24 51 23.1         148780    250  S~06He      
2008 07  25.33585  03 55 16.24   +24 51 23.2         148780    250  S~06He      
2008 09  30.29822  03 55 41.91   +24 59 41.0         148780    807  C~06He      
2008 09  30.34207  03 55 41.79   +24 59 41.8         148780    807  C~06He      
2008 09  30.37467  03 55 41.69   +24 59 41.3         148780    807  C~06He      
2008 10  01.34134  03 55 39.14   +24 59 39.2         148780    807  C~06He      
2008 10  02.29753  03 55 36.51   +24 59 37.6         148780    807  C~06He      

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    -0.12       0.00    -0.10
  2   0.0024      0.00    -0.24       0.00     0.08
  3   0.0026      0.00    -0.26       0.00     0.06
  4   0.1554      0.00     0.64       0.00     0.67
  5   0.1555      0.00     0.93       0.00     0.41
  6   0.2902      0.00     0.72       0.00    -0.73
  7   0.2929      0.00     0.24       0.00    -0.53
  8   0.2957      0.00     1.01       0.00    -0.56
  9   0.8872      0.00    -0.74       0.00     0.21
 10   0.8874      0.00    -0.93       0.00     0.33
 11   0.8874      0.00    -1.05       0.00     0.41
 12   0.8901      0.00    -0.69       0.00     0.32
 13   2.0039      0.00    -0.63       0.00     0.10
 14   2.0039      0.00    -0.44       0.00    -0.04
 15   2.0064      0.00    -0.34       0.00    -0.09
 16   2.0066      0.00    -0.47       0.00     0.14
 17   2.1734      0.00    -0.01       0.00    -0.09
 18   2.1739      0.00    -0.17       0.00     0.00
 19   2.1761      0.00    -0.03       0.00     0.02
 20   2.1761      0.00     0.12       0.00     0.01
 21   2.1763      0.00    -0.04       0.00     0.00
 22   2.1763      0.00     0.10       0.00    -0.11
 23   2.1764      0.00     0.08       0.00     0.00
 24   2.1764      0.00     0.08       0.00    -0.02
 25   2.1765      0.00     0.10       0.00    -0.07
 26   2.1765      0.00     0.10       0.00     0.01
 27   2.1767      0.00     0.06       0.00     0.01
 28   2.1767      0.00     0.06       0.00     0.00
 29   2.1768      0.00     0.00       0.00     0.03
 30   2.1768      0.00    -0.01       0.00    -0.18
 31   2.3257      0.00     0.03       0.00     0.07
 32   2.3259      0.00     0.06       0.00     0.06
 33   2.3284      0.00     0.07       0.00     0.11
 34   2.3284      0.00     0.12       0.00     0.04
 35   2.3285      0.00     0.17       0.00    -0.11
 36   4.7936      0.00     1.90       0.00    -0.59
 37   4.7936      0.00     1.91       0.00    -0.55
 38   4.7936      0.00     1.91       0.00    -0.51
 39   4.7937      0.00     1.77       0.00    -0.56
 40   5.1770      0.00     0.34       0.00     0.15
 41   5.1772      0.00    -0.02       0.00     0.38
 42   5.7596      0.00     0.10       0.00    -0.34
 43   5.7596      0.00    -0.02       0.00    -0.37
 44   5.7596      0.00     0.05       0.00    -0.29
 45   5.7596      0.00     0.11       0.00    -0.31
 46   5.7975      0.00     0.33       0.00     0.54
 47   5.7975      0.00     0.38       0.00     0.54
 48   5.7975      0.00     0.41       0.00     0.54
 49   5.7975      0.00     0.31       0.00     0.54
 50   5.9616      0.00    -0.24       0.00    -0.16
 51   5.9616      0.00    -0.17       0.00    -0.13
 52   5.9617      0.00    -0.23       0.00    -0.19
 53   5.9618      0.00    -0.19       0.00    -0.20
 54   6.0614      0.00    -0.67       0.00     0.25
 55   6.0614      0.00    -0.66       0.00     0.23
 56   6.0615      0.00    -0.75       0.00     0.26
 57   6.0616      0.00    -0.69       0.00     0.18
 58   6.0616      0.00    -0.78       0.00     0.20
 59   6.0617      0.00    -0.67       0.00     0.24
 60   6.0617      0.00    -0.56       0.00     0.24
 61   6.0618      0.00    -0.71       0.00     0.22
 62   6.7621      0.00     0.18       0.00     0.20
 63   6.7622      0.00     0.24       0.00     0.29
 64   6.7623      0.00     0.10       0.00     0.27
 65   6.7623      0.00     0.17       0.00     0.26
 66   6.9457      0.00    -0.37       0.00    -0.68
 67   6.9458      0.00    -0.39       0.00     0.20
 68   6.9459      0.00    -0.57       0.00    -0.23
 69   6.9485      0.00    -0.17       0.00    -0.39
 70   6.9511      0.00    -0.30       0.00     0.20

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.

148780    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        44.605    44.605    44.605
ecceobj         0.061     0.061     0.061
incobj          5.190     5.190     5.190
qmin           40.906    40.911    40.902
qmax           47.906    47.892    47.915
amean          44.289    44.290    44.290
amin           43.936    43.936    43.940
amax           44.661    44.654    44.653
emean           0.059     0.059     0.059
emin            0.044     0.044     0.044
emax            0.073     0.073     0.073
imean           5.465     5.465     5.465
imin            4.839     4.839     4.840
imax            5.976     5.976     5.976
excite_mean     0.112     0.112     0.112
fracstop        1.000     1.000     1.000
cjmean          3.090     3.090     3.090

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       178.8     179.0     178.9
kozaiamp        180.0     180.0     179.9