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: 16FV58 # Created Wed Nov 27 02:10:36 2024 # Orbit generated from Bernstein formalism # Fitting 12 observations of 12 # Arc: 4.04d # First observation: 2016/03/28 # Last observation: 2016/04/01 Preliminary a, adot, b, bdot, g, gdot: 0.000003 0.031166 -0.000000 -0.000313 0.025734 0.000000 # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # WARNING Fitting with energy constraint # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # WARNING MRQMIN stopped after 13 iterations -- oscilliatory solution # Chi-squared of fit: 34.00 DOF: 19 RMS: 0.30 # Min/Max residuals: -0.55 0.53 # Exact a, adot, b, bdot, g, gdot: 1.795659E-05 2.372614E-02 -5.512689E-07 -4.012410E-05 2.451761E-02 -5.762437E-03 # Covariance matrix: 9.7797E-11 1.4706E-07 -2.5060E-12 -5.3847E-09 2.4278E-08 3.2536E-07 1.4706E-07 2.2182E-04 -3.7789E-09 -8.1201E-06 3.6610E-05 4.8931E-04 -2.5060E-12 -3.7789E-09 3.1660E-13 1.0745E-10 -6.2371E-10 -8.3721E-09 -5.3847E-09 -8.1201E-06 1.0745E-10 3.0461E-07 -1.3402E-06 -1.7907E-05 2.4278E-08 3.6610E-05 -6.2371E-10 -1.3402E-06 6.0425E-06 8.0870E-05 3.2536E-07 4.8931E-04 -8.3721E-09 -1.7907E-05 8.0870E-05 1.5955E-03 # lat0 lon0 xBary yBary zBary JD0 -7.999735 173.867638 -0.233781 -0.134290 -0.956899 2457475.534899 # Heliocentric elements and errors Epoch: 2457470.5000 = 2016/03/23 Mean Anomaly: 296.40120 +/- 91.704 Argument of Peri: 0.35421 +/- 235.803 Long of Asc Node: 264.26403 +/- 11.424 Inclination: 7.81444 +/- 0.016 Eccentricity: 0.23613801 +/- 1.6220 Semi-Major Axis: 44.13683478 +/- 23.0227 Time of Perihelion: 2476391.6102 +/- 22916.7 Perihelion: 33.71445054 +/- 73.7185 Aphelion: 54.55921902 +/- 77.0394 Period (y) 293.2311 +/- 229.43 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -41.14855288 +/- 4.0263 Ecliptic Y 4.18274461 +/- 0.4329 Ecliptic Z -5.67631541 +/- 0.5691 Ecliptic XDOT 0.00035122 +/- 0.0046 Ecliptic YDOT -0.00270943 +/- 0.0010 Ecliptic ZDOT 0.00008512 +/- 0.0007 # Distances at JD0 (AU) Heliocenter to KBO 41.74828515 +/- 3.9695 Geocenter to KBO 40.78701788 +/- 4.0893 # Hcoef: 7.76
The following table shows the complete astrometric record for 16FV58. 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 (16FV58) followed by the observatory code and reference code for the source of the astrometry.
2016 03 28.03411 11 24 48.13 -04 54 39.0 24.0V 16FV58 W84 C~1qoJ 2016 03 28.04105 11 24 48.13 -04 54 39.1 16FV58 W84 C~1qoJ 2016 03 28.04799 11 24 48.13 -04 54 39.0 16FV58 W84 C~1qoJ 2016 03 29.03545 11 24 43.82 -04 54 08.2 16FV58 W84 C~1qoJ 2016 03 29.04239 11 24 43.82 -04 54 08.2 16FV58 W84 C~1qoJ 2016 03 29.04933 11 24 43.81 -04 54 08.2 16FV58 W84 C~1qoJ 2016 03 30.05844 11 24 39.43 -04 53 36.7 16FV58 W84 C~1qoJ 2016 03 30.06538 11 24 39.43 -04 53 36.8 16FV58 W84 C~1qoJ 2016 03 30.07232 11 24 39.43 -04 53 36.8 16FV58 W84 C~1qoJ 2016 04 01.06296 11 24 30.94 -04 52 34.7 16FV58 W84 C~1qoJ 2016 04 01.06990 11 24 30.95 -04 52 34.5 16FV58 W84 C~1qoJ 2016 04 01.07684 11 24 30.95 -04 52 34.5 16FV58 W84 C~1qoJ
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 -0.55 0.00 0.11
2 0.0000 0.04 -0.01 -0.09 0.00
3 0.0000 0.00 0.46 0.00 0.08
4 0.0027 -71.35 -0.42 2.70 0.06
5 0.0028 -71.35 0.08 2.70 0.04
6 0.0028 -71.48 0.44 2.64 -0.03
7 0.0055 -144.07 -0.50 5.56 -0.08
8 0.0056 -144.03 0.03 5.47 -0.19
9 0.0056 -144.03 0.53 5.47 -0.21
10 0.0110 -285.14 -0.55 12.09 -0.07
11 0.0110 -285.09 -0.00 12.33 0.16
12 0.0111 -285.09 0.49 12.33 0.14
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.
16FV58 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