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: 14FA72 # Created Fri Apr 19 01:15:53 2024 # Orbit generated from Bernstein formalism # Fitting 10 observations of 11 # Arc: 2.11y # First observation: 2014/03/25 # Last observation: 2016/05/03 Preliminary a, adot, b, bdot, g, gdot: 0.000013 0.014179 -0.000001 -0.000857 0.018273 0.000000 # Chi-squared of fit: 4.87 DOF: 14 RMS: 0.12 # Min/Max residuals: -0.18 0.25 # Exact a, adot, b, bdot, g, gdot: 1.270689E-05 1.432430E-02 -1.692662E-07 -8.682592E-04 1.833737E-02 6.128451E-03 # Covariance matrix: 4.9061E-13 -2.7503E-13 -5.2961E-15 2.0747E-14 7.2724E-13 -1.4586E-11 -2.7503E-13 2.9931E-12 2.2669E-14 -2.3538E-13 9.5156E-13 1.4948E-10 -5.2961E-15 2.2669E-14 2.4433E-13 -1.4761E-13 -5.8125E-15 1.3565E-12 2.0747E-14 -2.3538E-13 -1.4761E-13 2.4196E-13 -4.9536E-14 -1.3003E-11 7.2724E-13 9.5156E-13 -5.8125E-15 -4.9536E-14 2.8030E-12 2.6931E-11 -1.4586E-11 1.4948E-10 1.3565E-12 -1.3003E-11 2.6931E-11 8.3021E-09 # lat0 lon0 xBary yBary zBary JD0 -3.776666 -170.924424 0.083019 -0.065240 -0.990283 2456741.607438 # Heliocentric elements and errors Epoch: 2456740.5000 = 2014/03/24 Mean Anomaly: 64.22329 +/- 0.667 Argument of Peri: 116.70154 +/- 0.297 Long of Asc Node: 322.24512 +/- 0.016 Inclination: 5.08672 +/- 0.001 Eccentricity: 0.39364702 +/- 0.0051 Semi-Major Axis: 56.79488003 +/- 0.2816 Time of Perihelion: 2428850.2579 +/- 202.3 Perihelion: 34.43774484 +/- 0.3367 Aphelion: 79.15201522 +/- 0.4880 Period (y) 428.0278 +/- 3.18 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X -54.72826911 +/- 0.0049 Ecliptic Y -8.65647090 +/- 0.0008 Ecliptic Z -3.59201747 +/- 0.0003 Ecliptic XDOT -0.00056141 +/- 0.0000 Ecliptic YDOT -0.00225775 +/- 0.0000 Ecliptic ZDOT -0.00018949 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 55.52495401 +/- 0.0048 Geocenter to KBO 54.53344639 +/- 0.0050 # Hcoef: 7.19
The following table shows the complete astrometric record for 14FA72. 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 (14FA72) followed by the observatory code and reference code for the source of the astrometry.
2014 03 25.10666 12 27 21.794 -07 04 03.35 24.5r 14FA72 807 C~1u56 2014 03 25.17147 12 27 21.575 -07 04 01.87 14FA72 807 C~1u56 2014 03 25.23756 12 27 21.326 -07 04 00.60 14FA72 807 C~1u56 2014 05 01.03417 12 25 19.020 -06 50 37.81 14FA72 304 C~1u56 2014 05 02.01370 12 25 16.216 -06 50 18.08 24.6r 14FA72 304 C~1u56 2014 05 02.10060 12 25 15.974 -06 50 16.36 14FA72 304 C~1u56 2015 04 19.09357 12 28 53.522 -07 17 04.25 14FA72 304 C~1u56 2015 04 19.22650 12 28 53.098 -07 17 01.07 14FA72 304 C~1u56 2015 04 20.19417 12 28 49.930 -07 16 40.17 14FA72 304 C~1u56 2016 05 03.04542 12 31 04.159 -07 33 47.68 24.6r 14FA72 304 C~2ADo 2016 05 03.17953 12 31 03.774 -07 33 44.96 14FA72 304 C~2ADo
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 -0.07 0.00 -0.12
2 0.0002 -3.58 0.08 0.07 0.03
3 0.0004 -7.49 -0.02 -0.23 -0.18
4 0.1011 -1997.67 0.19 15.12 0.09
5 0.1038 -2043.84 -0.15 16.66 -0.03
6 0.1040 -2047.83 -0.04 16.80 -0.00
7 1.0677 1562.70 0.15 -177.45 0.21
8 1.0681 1555.65 ( 0.27) -177.02 ( 0.57)
9 1.0707 1504.08 -0.11 -176.44 0.25
10 2.1080 3744.46 0.02 -333.01 -0.14
11 2.1083 3738.13 -0.04 -332.77 -0.10
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.
14FA72 quality flag:2 Type: SCATNEAR SCATNEAR 5:2EEE axisobj 56.332 57.152 55.566 ecceobj 0.394 0.408 0.380 incobj 5.102 5.103 5.101 qmin 33.516 33.118 34.182 qmax 82.739 82.697 78.353 amean 57.027 56.492 55.464 amin 55.197 54.480 54.556 amax 58.436 58.361 56.542 emean 0.397 0.394 0.373 emin 0.379 0.357 0.361 emax 0.416 0.418 0.386 imean 5.300 6.203 6.426 imin 3.914 5.151 6.212 imax 7.014 7.512 6.672 excite_mean 0.408 0.409 0.390 fracstop 1.000 1.000 1.000 cjmean 3.042 3.035 3.045 libcent 0 -180.0 -180.0 179.6 libamp 0 -180.0 -180.0 152.6 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 189.1 172.5 179.0 kozaiamp 180.0 179.9 180.0