Orbit Fit and Astrometric record for 511552

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: 511552    
# Created Thu Feb 27 02:07:33 2020
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting   59 observations of   59
# Arc:   8.82y
# First observation: 2008/10/28
#  Last observation: 2017/08/25
# Chi-squared of fit:     5.26 DOF:  112 RMS:  0.05
# Min/Max residuals:    -0.16    0.17
# Exact a, adot, b, bdot, g, gdot:
  1.444661E-05  1.956968E-02 -9.457252E-07 -1.121708E-03  2.196385E-02  2.520728E-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
    3.112450   18.398264   -0.291558    0.051679   -0.949713  2454767.843892
# Heliocentric elements and errors
Epoch:              2454768.5000  =  2008/10/29
Mean Anomaly:          159.40955 +/-     0.000
Argument of Peri:      335.44933 +/-     0.000
Long of Asc Node:      241.36219 +/-     0.000
Inclination:             4.49821 +/-     0.000
Eccentricity:         0.06535920 +/-    0.0000
Semi-Major Axis:     43.78037952 +/-    0.0000
Time of Perihelion: 2407916.3492 +/-       0.0
Perihelion:          40.91892893 +/-    0.0000
Aphelion:            46.64183010 +/-    0.0000
Period (y)              289.6860 +/-      0.00
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           43.95044270 +/-    0.0000
Ecliptic Y           14.92157356 +/-    0.0000
Ecliptic Z            2.47200846 +/-    0.0000
Ecliptic XDOT        -0.00072701 +/-    0.0000
Ecliptic YDOT         0.00232943 +/-    0.0000
Ecliptic ZDOT        -0.00013803 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   46.48014957 +/-    0.0000
Geocenter to KBO     45.52937952 +/-    0.0000
# Hcoef:  6.20

The following table shows the complete astrometric record for 511552. 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 (511552) followed by the observatory code and reference code for the source of the astrometry.

2008 10  28.343138 01 03 04.47   +10 05 20.2   22.4V 511552    645  C~25no      
2008 10  28.343967 01 03 04.47   +10 05 20.2   21.9V 511552    645  C~25no      
2008 10  28.346455 01 03 04.47   +10 05 20.1   23.2V 511552    645  C~25no      
2013 08  08.53429  01 29 11.325  +12 18 20.23  22.8r 511552    568  C~2WZw      
2013 08  08.53922  01 29 11.312  +12 18 20.28  22.7r 511552    568  C~2WZw      
2013 08  08.58770  01 29 11.258  +12 18 20.01  22.8r 511552    568  C~2WZw      
2013 09  01.51405  01 28 23.657  +12 14 44.36  22.7r 511552    568  C~2WZw      
2013 09  01.55288  01 28 23.546  +12 14 43.77  22.7r 511552    568  C~2WZw      
2013 09  02.49556  01 28 20.896  +12 14 30.26  22.7r 511552    568  C~2WZw      
2013 09  02.54696  01 28 20.743  +12 14 29.53  22.7r 511552    568  C~2WZw      
2013 09  29.51508  01 26 46.250  +12 05 53.52  22.7r 511552    568  C~2WZw      
2013 10  03.49165  01 26 30.100  +12 04 20.51  22.7r 511552    568  C~2WZw      
2013 10  04.58571  01 26 25.601  +12 03 54.29  22.7r 511552    568  C~2WZw      
2013 10  09.38918  01 26 05.612  +12 01 57.23  22.7r 511552    568  C~2WZw      
2013 10  29.45275  01 24 41.411  +11 53 25.13  22.7r 511552    568  C~2WZw      
2013 10  30.36505  01 24 37.688  +11 53 01.56  22.5r 511552    568  C~2WZw      
2013 10  31.35588  01 24 33.655  +11 52 36.14  22.6r 511552    568  C~2WZw      
2013 11  01.30170  01 24 29.834  +11 52 11.99  22.8r 511552    568  C~2WZw      
2013 11  01.34074  01 24 29.674  +11 52 10.99  22.8r 511552    568  C~2WZw      
2013 11  01.42897  01 24 29.309  +11 52 08.70  22.7r 511552    568  C~2WZw      
2013 11  27.35126  01 22 57.446  +11 41 58.39  22.7r 511552    568  C~2WZw      
2013 12  03.29403  01 22 41.272  +11 40 01.53  22.8r 511552    568  C~2WZw      
2013 12  04.33911  01 22 38.668  +11 39 42.33  22.8r 511552    568  C~2WZw      
2013 12  29.23399  01 22 00.519  +11 34 11.54  22.8r 511552    568  C~2WZw      
2014 07  25.50098  01 33 36.527  +12 38 39.24  22.7r 511552    568  C~2WZw      
2014 07  25.54031  01 33 36.532  +12 38 39.40  22.7r 511552    568  C~2WZw      
2014 07  25.58207  01 33 36.530  +12 38 39.54  22.8r 511552    568  C~2WZw      
2014 08  23.54089  01 33 06.245  +12 37 06.25  22.8r 511552    568  C~2WZw      
2014 08  23.58776  01 33 06.145  +12 37 05.81  22.8r 511552    568  C~2WZw      
2014 08  25.54193  01 33 01.856  +12 36 45.92  24.9u 511552    568  C~2WZw      
2014 08  25.54619  01 33 01.854  +12 36 45.80  25.0u 511552    568  C~2WZw      
2014 08  25.55898  01 33 01.825  +12 36 45.47  25.5u 511552    568  C~2WZw      
2014 08  27.43321  01 32 57.475  +12 36 24.84  22.9r 511552    568  C~2WZw      
2014 08  27.52904  01 32 57.238  +12 36 23.80  22.7r 511552    568  C~2WZw      
2014 09  18.36363  01 31 51.027  +12 30 40.74  22.6r 511552    568  C~2WZw      
2014 09  18.40832  01 31 50.861  +12 30 39.93  22.6r 511552    568  C~2WZw      
2014 09  23.44649  01 31 32.234  +12 28 57.67  22.7r 511552    568  C~2WZw      
2014 10  22.40934  01 29 33.067  +12 17 25.98  22.7r 511552    568  C~25np      
2014 10  22.44880  01 29 32.900  +12 17 24.94  22.7r 511552    568  C~25np      
2014 10  22.48819  01 29 32.729  +12 17 23.94  22.6r 511552    568  C~25np      
2014 10  23.40060  01 29 28.873  +12 17 00.70  22.6r 511552    568  C~2WZw      
2014 10  25.26507  01 29 21.036  +12 16 12.98  22.5r 511552    568  C~2WZw      
2014 11  19.21279  01 27 43.916  +12 05 55.83  22.7r 511552    568  C~2WZw      
2014 11  19.34560  01 27 43.450  +12 05 52.80  22.8r 511552    568  C~2WZw      
2014 11  21.19245  01 27 37.204  +12 05 10.92  22.5r 511552    568  C~2WZw      
2014 11  21.19865  01 27 37.191  +12 05 10.77  22.8r 511552    568  C~2WZw      
2014 11  21.36159  01 27 36.633  +12 05 07.20  22.7r 511552    568  C~2WZw      
2015 01  28.24775  01 26 35.725  +11 54 29.84  22.7r 511552    568  C~2WZw      
2015 02  18.23136  01 27 31.980  +11 58 31.40  22.7r 511552    568  C~2WZw      
2015 09  15.51502  01 36 23.035  +12 52 01.63  22.9w 511552    568  C~2WZw      
2015 09  15.51940  01 36 23.017  +12 52 01.60  22.9w 511552    568  C~2WZw      
2015 09  15.57438  01 36 22.828  +12 52 00.52  22.9w 511552    568  C~2WZw      
2015 09  15.57846  01 36 22.810  +12 52 00.51  22.9w 511552    568  C~2WZw      
2015 10  09.44415  01 34 50.643  +12 43 29.38  22.9w 511552    568  C~2WZw      
2015 10  09.48680  01 34 50.464  +12 43 28.34  22.9w 511552    568  C~2WZw      
2015 10  13.48307  01 34 33.639  +12 41 51.09        511552    568  C~2WZw      
2015 10  13.54938  01 34 33.356  +12 41 49.45        511552    568  C~2WZw      
2017 01  31.22024  01 35 10.808  +12 35 01.35  22.9w 511552    568  C~2WZw      
2017 08  25.62062  01 46 01.711  +13 36 22.12  22.9w 511552    568  C~2WZw      

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    -0.08       0.00    -0.00
  2   0.0000      0.00    -0.03       0.00     0.02
  3   0.0000      0.00     0.12       0.00    -0.01
  4   4.7781      0.00     0.02       0.00    -0.01
  5   4.7781      0.00    -0.09       0.00     0.05
  6   4.7782      0.00    -0.03       0.00    -0.04
  7   4.8437      0.00    -0.01       0.00     0.03
  8   4.8438      0.00    -0.01       0.00    -0.02
  9   4.8464      0.00    -0.02       0.00    -0.03
 10   4.8466      0.00    -0.06       0.00    -0.01
 11   4.9204      0.00     0.02       0.00     0.02
 12   4.9313      0.00    -0.07       0.00     0.04
 13   4.9343      0.00     0.07       0.00    -0.03
 14   4.9474      0.00    -0.05       0.00     0.07
 15   5.0024      0.00     0.00       0.00     0.17
 16   5.0049      0.00     0.02       0.00     0.02
 17   5.0076      0.00    -0.01       0.00     0.00
 18   5.0102      0.00     0.03       0.00     0.04
 19   5.0103      0.00     0.03       0.00     0.04
 20   5.0105      0.00    -0.00       0.00     0.00
 21   5.0815      0.00    -0.04       0.00    -0.01
 22   5.0977      0.00    -0.09       0.00    -0.09
 23   5.1006      0.00     0.01       0.00     0.02
 24   5.1688      0.00     0.00       0.00     0.03
 25   5.7390      0.00    -0.01       0.00    -0.02
 26   5.7391      0.00     0.04       0.00    -0.01
 27   5.7392      0.00    -0.00       0.00    -0.02
 28   5.8185      0.00     0.02       0.00     0.00
 29   5.8186      0.00     0.07       0.00     0.02
 30   5.8240      0.00    -0.05       0.00     0.11
 31   5.8240      0.00     0.07       0.00     0.04
 32   5.8240      0.00     0.09       0.00    -0.16
 33   5.8291      0.00     0.03       0.00    -0.06
 34   5.8294      0.00     0.00       0.00    -0.01
 35   5.8892      0.00     0.04       0.00    -0.08
 36   5.8893      0.00    -0.00       0.00    -0.03
 37   5.9031      0.00     0.02       0.00    -0.05
 38   5.9824      0.00     0.06       0.00    -0.12
 39   5.9825      0.00     0.11       0.00    -0.15
 40   5.9826      0.00     0.08       0.00    -0.14
 41   5.9851      0.00    -0.05       0.00    -0.03
 42   5.9902      0.00     0.03       0.00     0.05
 43   6.0585      0.00     0.03       0.00     0.02
 44   6.0589      0.00     0.02       0.00     0.02
 45   6.0639      0.00    -0.10       0.00     0.01
 46   6.0639      0.00     0.02       0.00    -0.00
 47   6.0644      0.00    -0.03       0.00     0.07
 48   6.2503      0.00    -0.01       0.00    -0.04
 49   6.3077      0.00    -0.01       0.00     0.03
 50   6.8807      0.00     0.00       0.00     0.02
 51   6.8807      0.00    -0.04       0.00     0.07
 52   6.8809      0.00     0.00       0.00    -0.01
 53   6.8809      0.00    -0.05       0.00     0.05
 54   6.9462      0.00    -0.04       0.00     0.02
 55   6.9463      0.00    -0.00       0.00     0.01
 56   6.9573      0.00    -0.01       0.00     0.04
 57   6.9574      0.00     0.02       0.00     0.04
 58   8.2598      0.00     0.05       0.00     0.02
 59   8.8249      0.00    -0.02       0.00     0.01

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.

511552    quality flag:3

Type:      CLASSICAL CLASSICAL CLASSICAL

axisobj        44.034    44.034    44.034
ecceobj         0.059     0.059     0.059
incobj          4.480     4.480     4.480
qmin           40.021    40.042    40.020
qmax           47.762    47.745    47.836
amean          43.779    43.779    43.779
amin           43.444    43.440    43.439
amax           44.142    44.148    44.143
emean           0.063     0.063     0.063
emin            0.044     0.044     0.044
emax            0.083     0.082     0.084
imean           6.172     6.172     6.172
imin            5.473     5.475     5.471
imax            6.854     6.856     6.857
excite_mean     0.125     0.125     0.125
fracstop        1.000     1.000     1.000
cjmean          3.080     3.080     3.080

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       175.1     175.1     175.0
kozaiamp        179.9     179.9     179.9