Orbit Fit and Astrometric record for 10VX224

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: 10VX224   
# Created Thu Jul 19 01:37:53 2018
# Orbit generated from Bernstein formalism
# Fitting   72 observations of   72
# Arc:  15.21y
# First observation: 1998/09/25
#  Last observation: 2013/12/11
Preliminary a, adot, b, bdot, g, gdot:
  -0.008474   0.024401   0.001298  -0.003281   0.024850   0.000000
# Chi-squared of fit:    61.70 DOF:  138 RMS:  0.16
# Min/Max residuals:    -0.64    0.40
# Exact a, adot, b, bdot, g, gdot:
  1.613595E-05  2.173200E-02 -2.015864E-06 -2.885119E-03  2.397608E-02 -4.021029E-03
# Covariance matrix:
  2.2792E-13 -5.4877E-14 -2.1645E-14  7.0528E-15  2.6698E-14 -1.2629E-13
 -5.4877E-14  1.7325E-14  7.0584E-15 -2.3143E-15  5.6177E-15  4.1895E-14
 -2.1645E-14  7.0584E-15  6.7919E-14 -7.4850E-15  6.3594E-16  1.8125E-14
  7.0528E-15 -2.3143E-15 -7.4850E-15  1.2351E-15 -3.0185E-16 -5.9367E-15
  2.6698E-14  5.6177E-15  6.3594E-16 -3.0185E-16  9.3552E-14  8.4083E-15
 -1.2629E-13  4.1895E-14  1.8125E-14 -5.9367E-15  8.4083E-15  1.0728E-13
#      lat0       lon0       xBary       yBary       zBary        JD0
  -13.822603   33.647450    0.518641   -0.202979   -0.824023  2451081.882101
# Heliocentric elements and errors
Epoch:              2451080.5000  =  1998/09/24
Mean Anomaly:          262.27421 +/-     0.015
Argument of Peri:        0.33292 +/-     0.009
Long of Asc Node:      152.75630 +/-     0.000
Inclination:            15.52254 +/-     0.000
Eccentricity:         0.20075585 +/-    0.0000
Semi-Major Axis:     39.97942877 +/-    0.0018
Time of Perihelion: 2476145.0552 +/-       3.5
Perihelion:          31.95332445 +/-    0.0016
Aphelion:            48.00553309 +/-    0.0023
Period (y)              252.7919 +/-      0.02
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X           34.71690388 +/-    0.0004
Ecliptic Y           22.47833385 +/-    0.0003
Ecliptic Z           -9.96486186 +/-    0.0001
Ecliptic XDOT        -0.00181165 +/-    0.0000
Ecliptic YDOT         0.00178426 +/-    0.0000
Ecliptic ZDOT        -0.00021025 +/-    0.0000
# Distances at JD0 (AU)
Heliocenter to KBO   42.54218353 +/-    0.0004
Geocenter to KBO     41.70824385 +/-    0.0005
# Hcoef:  6.31

The following table shows the complete astrometric record for 10VX224. 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 (10VX224) followed by the observatory code and reference code for the source of the astrometry.

1998 09  25.381370 02 24 15.23   -00 17 49.2   22.4V 10VX224   645  C~2POO      
1998 09  25.382199 02 24 15.25   -00 17 49.1   21.9V 10VX224   645  C~2POO      
1998 09  25.384685 02 24 15.23   -00 17 49.1   23.4V 10VX224   645  C~2POO      
2000 11  26.225575 02 29 41.51   -00 12 06.4   22.8V 10VX224   645  C~2POO      
2000 11  26.226404 02 29 41.51   -00 12 06.4   22.1V 10VX224   645  C~2POO      
2000 11  26.228892 02 29 41.51   -00 12 06.4   23.7V 10VX224   645  C~2POO      
2000 11  27.200025 02 29 37.47   -00 12 18.0         10VX224   645  C~2POO      
2000 11  27.200855 02 29 37.48   -00 12 18.2         10VX224   645  C~2POO      
2000 11  27.203342 02 29 37.45   -00 12 18.0         10VX224   645  C~2POO      
2001 11  12.285327 02 35 46.55   +00 07 18.7   22.4V 10VX224   645  C~2POO      
2001 11  12.286156 02 35 46.55   +00 07 18.5   21.9V 10VX224   645  C~2POO      
2001 11  12.288644 02 35 46.55   +00 07 18.7   23.3V 10VX224   645  C~2POO      
2002 01  14.117579 02 32 30.33   +00 05 09.5   22.4V 10VX224   645  C~2POO      
2002 01  14.118408 02 32 30.33   +00 05 09.6   21.9V 10VX224   645  C~2POO      
2002 01  14.120896 02 32 30.34   +00 05 09.5   23.5V 10VX224   645  C~2POO      
2002 09  05.428499 02 45 12.08   +00 55 00.7   22.6V 10VX224   645  C~2POO      
2002 09  05.429328 02 45 12.07   +00 55 00.8   21.9V 10VX224   645  C~2POO      
2002 09  05.431816 02 45 12.08   +00 55 00.8   23.5V 10VX224   645  C~2POO      
2002 10  05.443394 02 43 43.09   +00 39 46.2   22.1V 10VX224   645  C~2POO      
2002 10  05.444224 02 43 43.09   +00 39 46.0   21.8V 10VX224   645  C~2POO      
2002 10  05.446712 02 43 43.07   +00 39 46.2   22.9V 10VX224   645  C~2POO      
2002 10  11.429800 02 43 18.78   +00 36 45.0   22.5V 10VX224   645  C~2POO      
2002 10  11.430629 02 43 18.78   +00 36 44.9   21.8V 10VX224   645  C~2POO      
2002 10  11.433117 02 43 18.78   +00 36 44.9   22.9V 10VX224   645  C~2POO      
2002 11  07.263203 02 41 16.39   +00 24 55.1   22.5V 10VX224   645  C~2POO      
2002 11  07.264032 02 41 16.39   +00 24 55.3   21.8V 10VX224   645  C~2POO      
2002 11  07.266520 02 41 16.36   +00 24 54.9   22.8V 10VX224   645  C~2POO      
2003 09  27.436293 02 49 20.76   +00 59 54.2   22.1V 10VX224   645  C~2POO      
2003 09  27.436708 02 49 20.76   +00 59 54.2   22.1V 10VX224   645  C~2POO      
2003 09  27.437122 02 49 20.76   +00 59 54.1   22.4V 10VX224   645  C~2POO      
2003 09  27.437537 02 49 20.77   +00 59 54.1   22.4V 10VX224   645  C~2POO      
2003 09  27.439610 02 49 20.75   +00 59 54.2   23.0V 10VX224   645  C~2POO      
2003 09  27.440025 02 49 20.76   +00 59 54.2   23.1V 10VX224   645  C~2POO      
2003 10  24.323821 02 47 30.96   +00 46 38.4   22.1V 10VX224   645  C~2POO      
2003 10  24.324650 02 47 30.96   +00 46 38.5   22.1V 10VX224   645  C~2POO      
2003 10  24.327138 02 47 30.96   +00 46 38.4   24.2V 10VX224   645  C~2POO      
2003 11  20.254371 02 45 24.19   +00 36 42.5   22.4V 10VX224   645  C~2POO      
2003 11  20.255200 02 45 24.20   +00 36 42.5   21.8V 10VX224   645  C~2POO      
2003 11  20.257688 02 45 24.20   +00 36 42.9   23.2V 10VX224   645  C~2POO      
2004 10  08.410881 02 53 47.18   +01 09 54.1   22.8V 10VX224   645  C~2POO      
2004 10  08.411711 02 53 47.18   +01 09 54.1   21.9V 10VX224   645  C~2POO      
2004 10  08.414198 02 53 47.19   +01 09 54.1   23.2V 10VX224   645  C~2POO      
2004 10  10.369418 02 53 39.25   +01 08 55.4   22.5V 10VX224   645  C~2POO      
2004 10  10.370247 02 53 39.25   +01 08 55.5   22.3V 10VX224   645  C~2POO      
2004 10  10.372735 02 53 39.23   +01 08 55.5   23.1V 10VX224   645  C~2POO      
2004 10  18.363515 02 53 04.99   +01 05 02.7   22.1V 10VX224   645  C~2POO      
2004 10  18.364344 02 53 04.99   +01 05 02.7   22.2V 10VX224   645  C~2POO      
2004 10  18.366832 02 53 05.00   +01 05 02.4   23.1V 10VX224   645  C~2POO      
2004 10  20.413202 02 52 55.82   +01 04 04.7   22.8V 10VX224   645  C~2POO      
2004 10  20.414032 02 52 55.82   +01 04 04.7   21.5V 10VX224   645  C~2POO      
2004 10  20.416519 02 52 55.82   +01 04 04.7   23.1V 10VX224   645  C~2POO      
2008 01  01.213425 03 03 33.09   +01 37 26.9   22.7V 10VX224   645  C~2POO      
2008 01  01.214255 03 03 33.09   +01 37 26.9   21.9V 10VX224   645  C~2POP      
2008 01  01.216743 03 03 33.09   +01 37 26.9   23.4V 10VX224   645  C~2POP      
2010 10  31.52179  03 24 14.809  +02 37 45.45  22.4r 10VX224   F51  C~1w3l      
2010 11  10.44612  03 23 26.318  +02 33 56.38  22.5w 10VX224   F51  C~1w3l      
2010 11  10.45953  03 23 26.252  +02 33 56.14  22.5w 10VX224   F51  C~1w3l      
2010 11  10.47394  03 23 26.165  +02 33 55.90  22.5w 10VX224   F51  C~1w3l      
2010 11  16.51476  03 22 56.060  +02 31 54.68  22.7i 10VX224   F51  C~1w3l      
2010 11  30.39630  03 21 47.800  +02 28 20.43  22.5w 10VX224   F51  C~1w3l      
2011 10  25.57238  03 30 17.944  +02 57 08.85  22.5r 10VX224   F51  C~1w3l      
2011 11  25.45001  03 27 46.613  +02 46 14.29  22.8w 10VX224   F51  C~1w3l      
2012 10  20.42665  03 36 15.166  +03 15 53.50  22.0w 10VX224   F51  C~1w3l      
2012 10  20.53216  03 36 14.693  +03 15 50.60  22.3w 10VX224   F51  C~1w3l      
2012 10  20.56096  03 36 14.566  +03 15 49.79  22.2w 10VX224   F51  C~1w3l      
2012 11  12.49765  03 34 25.565  +03 06 35.95  22.1w 10VX224   F51  C~1w3l      
2013 11  04.43757  03 40 48.461  +03 26 25.34  22.2w 10VX224   F51  C~1w3l      
2013 11  04.45112  03 40 48.412  +03 26 24.84  22.1w 10VX224   F51  C~1w3l      
2013 11  04.47831  03 40 48.259  +03 26 24.22  22.2w 10VX224   F51  C~1w3l      
2013 11  27.48110  03 38 52.230  +03 19 13.11  22.2r 10VX224   F51  C~1w3l      
2013 11  27.49402  03 38 52.168  +03 19 12.88  21.9r 10VX224   F51  C~1w3l      
2013 12  11.31054  03 37 44.951  +03 16 54.81  21.4i 10VX224   F51  C~1w3l      

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    -0.37       0.00     0.02
  2   0.0000      0.32    -0.00      -0.00     0.03
  3   0.0000      0.03    -0.13       0.09     0.16
  4   2.1707   4732.37     0.07   -1297.69     0.16
  5   2.1707   4732.37     0.12   -1297.69     0.16
  6   2.1707   4732.37     0.28   -1297.69     0.13
  7   2.1734   4671.32     0.01   -1288.56     0.01
  8   2.1734   4671.39     0.14   -1288.79    -0.23
  9   2.1734   4671.03    -0.06   -1288.46     0.08
 10   3.1318  10292.77    -0.03   -2013.45     0.05
 11   3.1318  10292.70    -0.03   -2013.64    -0.15
 12   3.1318  10292.77     0.21   -2013.45     0.03
 13   3.3039   7467.30    -0.14   -1159.19    -0.13
 14   3.3039   7467.34    -0.10   -1159.10    -0.06
 15   3.3039   7467.45     0.03   -1159.24    -0.25
 16   3.9454  19292.39    -0.05   -2123.90    -0.01
 17   3.9454  19292.28    -0.13   -2123.75     0.15
 18   3.9454  19292.42     0.10   -2123.80     0.14
 19   4.0275  17717.84     0.04   -2546.37    -0.01
 20   4.0276  17717.77     0.03   -2546.56    -0.19
 21   4.0276  17717.55    -0.02   -2546.27     0.12
 22   4.0439  17310.87    -0.12   -2596.68    -0.12
 23   4.0439  17310.84    -0.10   -2596.78    -0.21
 24   4.0439  17310.84     0.08   -2596.78    -0.19
 25   4.1174  15331.14    -0.10   -2658.14    -0.01
 26   4.1174  15331.21     0.03   -2657.95     0.18
 27   4.1174  15330.65    -0.34   -2658.18    -0.06
 28   5.0049  22948.32    -0.01   -3087.42    -0.06
 29   5.0049  22948.32     0.02   -3087.42    -0.05
 30   5.0049  22948.28     0.01   -3087.51    -0.14
 31   5.0049  22948.43     0.18   -3087.56    -0.19
 32   5.0050  22948.17     0.05   -3087.37     0.03
 33   5.0050  22948.32     0.22   -3087.42    -0.01
 34   5.0786  21110.23    -0.01   -3293.71    -0.15
 35   5.0786  21110.27     0.09   -3293.62    -0.06
 36   5.0786  21110.23     0.25   -3293.71    -0.15
 37   5.1523  19099.51    -0.13   -3225.17    -0.03
 38   5.1523  19099.66     0.08   -3225.21    -0.08
 39   5.1523  19099.79     0.39   -3224.84     0.28
 40   6.0370  26977.34    -0.29   -3851.00    -0.00
 41   6.0370  26977.34    -0.23   -3851.00     0.00
 42   6.0371  26977.49     0.08   -3851.05    -0.02
 43   6.0424  26843.46     0.01   -3867.11    -0.11
 44   6.0424  26843.49     0.10   -3867.02    -0.01
 45   6.0424  26843.20    -0.01   -3866.92     0.11
 46   6.0643  26272.28    -0.07   -3916.80     0.40
 47   6.0643  26272.28    -0.00   -3916.80     0.40
 48   6.0643  26272.32     0.22   -3917.14     0.08
 49   6.0699  26120.90    -0.10   -3926.01     0.04
 50   6.0699  26120.90    -0.04   -3926.01     0.04
 51   6.0699  26120.90     0.15   -3926.01     0.05
 52   9.2672  36028.83    -0.09   -5219.25    -0.02
 53   9.2672  36028.83    -0.05   -5219.25    -0.03
 54   9.2672  36028.83     0.04   -5219.25    -0.09
 55  12.0989  55759.66    -0.17   -8039.74    -0.01
 56  12.1261  54942.55     0.03   -8014.47     0.16
 57  12.1262  54941.46     0.07   -8014.37     0.19
 58  12.1262  54940.06    -0.12   -8014.15     0.33
 59  12.1427  54440.79    -0.16   -7977.90    -0.15
 60  12.1807  53331.79    -0.64   -7836.54    -0.27
 61  13.0820  61739.46     0.13   -8770.76    -0.54
 62  13.1665  59177.38     0.32   -8632.61    -0.16
 63  14.0699  67710.11     0.11   -9513.05    -0.14
 64  14.0702  67701.64    -0.04   -9513.46    -0.12
 65  14.0703  67699.36    -0.05   -9513.61    -0.14
 66  14.1331  65793.15    -0.15   -9495.81     0.15
 67  15.1104  72267.50     0.06  -10312.81     0.39
 68  15.1104  72266.54     0.29  -10313.05     0.10
 69  15.1105  72263.87     0.01  -10312.87     0.21
 70  15.1734  70263.91     0.04  -10135.38     0.11
 71  15.1735  70262.84     0.09  -10135.28     0.04
 72  15.2113  69148.95    -0.14   -9921.08    -0.21

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.

10VX224    quality flag:2

Type:       SCATNEAR  CENTAURR  CENTAURR

axisobj        40.056    40.062    40.051
ecceobj         0.202     0.202     0.202
incobj         15.532    15.532    15.532
qmin           30.852    29.183    29.409
qmax           48.966    50.882    63.258
amean          39.257    39.082    40.858
amin           38.740    35.876    37.392
amax           40.245    40.771    47.006
emean           0.156     0.198     0.232
emin            0.114     0.162     0.166
emax            0.223     0.251     0.351
imean          15.093    12.052    11.195
imin           11.019     8.780     7.336
imax           17.888    14.571    14.572
excite_mean     0.305     0.289     0.307
fracstop        1.000     0.292     0.551
cjmean          2.946     2.954     2.957

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       179.2     160.3     175.1
kozaiamp        180.0     179.7     179.9