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: 02VB95 # Created Wed Nov 27 02:08:21 2024 # Orbit generated from Bernstein formalism # Fitting 12 observations of 12 # Arc: 18.11d # First observation: 2002/11/12 # Last observation: 2002/11/30 Preliminary a, adot, b, bdot, g, gdot: -0.000000 0.057989 -0.000000 0.006795 0.033339 0.000000 # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # WARNING Fitting with energy constraint # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # Chi-squared of fit: 5.86 DOF: 19 RMS: 0.12 # Min/Max residuals: -0.28 0.25 # Exact a, adot, b, bdot, g, gdot: 1.590681E-05 2.903572E-02 3.076043E-06 6.807161E-03 2.875233E-02 -1.427018E-02 # Covariance matrix: 3.5643E-11 6.4037E-08 4.1059E-13 -2.5955E-11 1.0153E-08 3.1986E-08 6.4037E-08 1.1611E-04 7.4509E-10 -4.7936E-08 1.8403E-05 5.5283E-05 4.1059E-13 7.4509E-10 3.0716E-13 -6.9282E-12 1.1805E-10 3.1664E-10 -2.5955E-11 -4.7936E-08 -6.9282E-12 2.7759E-10 -7.5436E-09 2.3979E-08 1.0153E-08 1.8403E-05 1.1805E-10 -7.5436E-09 2.9170E-06 8.9286E-06 3.1986E-08 5.5283E-05 3.1664E-10 2.3979E-08 8.9286E-06 1.7005E-04 # lat0 lon0 xBary yBary zBary JD0 -2.016194 58.308521 0.152881 -0.034324 -0.974247 2452590.733693 # Heliocentric elements and errors Epoch: 2452590.5000 = 2002/11/12 Mean Anomaly: 319.88024 +/- 39.826 Argument of Peri: 84.64819 +/- 64.684 Long of Asc Node: 66.35880 +/- 3.026 Inclination: 13.35905 +/- 4.711 Eccentricity: 0.47296631 +/- 0.4065 Semi-Major Axis: 44.85944120 +/- 26.0919 Time of Perihelion: 2464820.7423 +/- 5791.4 Perihelion: 23.64243689 +/- 22.8392 Aphelion: 66.07644551 +/- 42.5392 Period (y) 300.4616 +/- 262.14 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 18.90083471 +/- 1.0848 Ecliptic Y 30.32987532 +/- 1.7567 Ecliptic Z -1.22350249 +/- 0.0727 Ecliptic XDOT -0.00306142 +/- 0.0007 Ecliptic YDOT 0.00031290 +/- 0.0013 Ecliptic ZDOT 0.00069580 +/- 0.0001 # Distances at JD0 (AU) Heliocenter to KBO 35.75807389 +/- 1.5966 Geocenter to KBO 34.77979549 +/- 2.0660 # Hcoef: 8.83
The following table shows the complete astrometric record for 02VB95. 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 (02VB95) followed by the observatory code and reference code for the source of the astrometry.
2002 11 12.23295 03 46 07.72 +17 49 00.8 23.9R 02VB95 695 Cg6507 2002 11 12.33956 03 46 07.07 +17 48 59.1 23.7R 02VB95 695 Cg6507 2002 11 12.40172 03 46 06.69 +17 48 58.0 24.3R 02VB95 695 Cg6507 2002 11 13.28717 03 46 01.50 +17 48 44.3 02VB95 695 Cg6507 2002 11 13.33194 03 46 01.23 +17 48 43.4 02VB95 695 Cg6507 2002 11 28.24220 03 44 32.20 +17 44 55.4 02VB95 568 Ci2696 2002 11 28.26673 03 44 32.05 +17 44 55.0 02VB95 568 Ci2696 2002 11 28.28730 03 44 31.94 +17 44 54.8 02VB95 568 Ci2696 2002 11 29.25622 03 44 26.19 +17 44 40.5 02VB95 568 Ci2696 2002 11 30.26954 03 44 20.20 +17 44 25.6 02VB95 568 Ci2696 2002 11 30.30490 03 44 20.00 +17 44 25.2 02VB95 568 Ci2696 2002 11 30.34272 03 44 19.76 +17 44 24.7 02VB95 568 Ci2696
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 0.01 0.00 0.14
2 0.0003 -9.43 -0.15 0.38 0.12
3 0.0005 -14.96 -0.28 0.50 0.02
4 0.0029 -90.28 0.25 3.41 -0.04
5 0.0030 -94.24 0.19 3.37 -0.24
6 0.0438 -1384.89 -0.06 61.53 -0.03
7 0.0439 -1387.07 -0.11 61.61 -0.06
8 0.0440 -1388.65 0.11 61.76 -0.01
9 0.0466 -1471.92 -0.02 66.03 0.02
10 0.0494 -1558.68 -0.05 70.47 -0.05
11 0.0495 -1561.55 0.13 70.72 0.02
12 0.0496 -1565.01 -0.05 70.99 0.11
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.
02VB95 quality flag:0 Type: ERR2LARGE ERR2LARGE ERR2LARGE axisobj 0.000 0.000 0.000 ecceobj -1.000 -1.000 -1.000 incobj -1.000 -1.000 -1.000 qmin 0.000 0.000 0.000 qmax 0.000 0.000 0.000 amean 0.000 0.000 0.000 amin 0.000 0.000 0.000 amax 0.000 0.000 0.000 emean 0.000 0.000 0.000 emin 0.000 0.000 0.000 emax 0.000 0.000 0.000 imean 0.000 0.000 0.000 imin 0.000 0.000 0.000 imax 0.000 0.000 0.000 excite_mean 0.000 0.000 0.000 fracstop 0.000 0.000 0.000 cjmean 0.000 0.000 0.000 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 0.0 0.0 0.0 kozaiamp 0.0 0.0 0.0