Orbit Fit and Astrometric record for 10KR62

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: 10KR62    
# Created Mon Oct 23 01:37:51 2017
# Orbit generated by ELGB
# -->Covariance matrix from a Bernstein fit
# Fitting    5 observations of    6
# Arc:   1.26d
# First observation: 2010/05/23
#  Last observation: 2010/05/24
# Chi-squared of fit:   187.68 DOF:    4 RMS:  1.08
# Min/Max residuals:    -1.38    2.22
# Exact a, adot, b, bdot, g, gdot:
  5.312941E-05  1.477347E+00  1.256188E-05  2.693761E-01  3.739450E-01  5.613171E-01
# Covariance matrix:
  2.8834E-12  5.7243E-09 -2.5721E-13 -2.6434E-08 -5.1159E-08  0.0000E+00
  5.7243E-09  1.7492E-05 -7.4440E-10 -7.6503E-05 -1.4806E-04  0.0000E+00
 -2.5721E-13 -7.4440E-10  8.4266E-13  3.0061E-09  6.3487E-09  0.0000E+00
 -2.6434E-08 -7.6503E-05  3.0061E-09  3.3726E-04  6.5246E-04  0.0000E+00
 -5.1159E-08 -1.4806E-04  6.3487E-09  6.5246E-04  1.2627E-03  0.0000E+00
  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  0.0000E+00  6.7384E+00
#      lat0       lon0       xBary       yBary       zBary        JD0
   -4.796455  -27.001948    1.012377    0.001534    0.018733  2455340.080256
# Heliocentric elements and errors
Epoch:              2455340.0000  =  2010/05/23
Mean Anomaly:          359.89430 +/-     7.685
Argument of Peri:      330.55951 +/-    11.647
Long of Asc Node:      341.42458 +/-    15.927
Inclination:             9.13797 +/-    31.634
Eccentricity:         0.32629724 +/-    0.2318
Semi-Major Axis:      4.22458522 +/-    0.0305
Time of Perihelion: 2455340.9312 +/-      75.9
Perihelion:           2.84611473 +/-    0.9796
Aphelion:             5.60305571 +/-    0.9802
Period (y)                8.6833 +/-      0.09
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X            1.90208966 +/-    0.0493
Ecliptic Y           -2.10534449 +/-    0.0251
Ecliptic Z           -0.22354671 +/-    0.0046
Ecliptic XDOT         0.00870833 +/-    0.0079
Ecliptic YDOT         0.00770913 +/-    0.0040
Ecliptic ZDOT         0.00162166 +/-    0.0007
# Distances at JD0 (AU)
Heliocenter to KBO    2.84611920 +/-    0.0302
Geocenter to KBO      2.67411657 +/-    0.0555
# Hcoef:  0.00

The following table shows the complete astrometric record for 10KR62. 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 (10KR62) followed by the observatory code and reference code for the source of the astrometry.

2010 05  23.57949  22 26 55.07   -14 52 24.0         10KR62    C51  S~0I4v      
2010 05  23.97640  22 27 16.57   -14 50 03.7         10KR62    C51  S~0I4v      
2010 05  24.10871  22 27 23.66   -14 49 14.8         10KR62    C51  S~0I4v      
2010 05  24.57184  22 27 48.61   -14 46 31.0         10KR62    C51  S~0I4v      
2010 05  24.83644  22 28 02.82   -14 44 57.3         10KR62    C51  S~0I4v      
2010 05  24.96875  22 28 10.09   -14 44 11.1         10KR62    C51  S~0I4v      

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 (   2.22)      0.00 (  14.69)
  2   0.0011      0.00    -0.05       0.00    -1.17
  3   0.0014      0.00    -1.20       0.00     0.63
  4   0.0027      0.00    -1.38       0.00     0.04
  5   0.0034      0.00    -0.86       0.00     0.17
  6   0.0038      0.00     2.22       0.00    -0.32

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.

10KR62    quality flag:3

Type:       CENTAURR  CENTAURR  CENTAURR

axisobj         4.236     4.236     4.237
ecceobj         0.325     0.325     0.325
incobj          9.119     9.119     9.119
qmin            2.861     2.861     2.861
qmax            5.612     5.612     5.612
amean           4.236     4.236     4.236
amin            4.236     4.236     4.236
amax            4.236     4.236     4.236
emean           0.325     0.325     0.325
emin            0.325     0.325     0.325
emax            0.325     0.325     0.325
imean          10.129    10.129    10.129
imin           10.129    10.129    10.129
imax           10.129    10.129    10.129
excite_mean     0.369     0.369     0.369
fracstop        0.000     0.000     0.000
cjmean          7.803     7.803     7.803

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       330.4     330.4     330.4
kozaiamp          0.0       0.0       0.0