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: 13JV64
# Created Tue Jan 21 02:09:37 2025
# Orbit generated from Bernstein formalism
# Fitting 25 observations of 25
# Arc: 1.27y
# First observation: 2013/04/10
# Last observation: 2014/07/18
Preliminary a, adot, b, bdot, g, gdot:
-0.000009 0.013725 -0.000009 0.008044 0.019093 0.000000
# Chi-squared of fit: 12.52 DOF: 44 RMS: 0.13
# Min/Max residuals: -0.24 0.39
# Exact a, adot, b, bdot, g, gdot:
1.069381E-05 1.365304E-02 6.205169E-06 7.942834E-03 1.903372E-02 -9.563069E-03
# Covariance matrix:
3.4203E-13 2.7264E-14 -3.1654E-14 2.7206E-13 4.7319E-13 2.7754E-11
2.7264E-14 4.3132E-13 -3.4697E-14 3.1322E-13 4.2475E-13 3.2101E-11
-3.1654E-14 -3.4697E-14 1.5135E-13 -2.0046E-13 -7.8158E-14 -5.7649E-12
2.7206E-13 3.1322E-13 -2.0046E-13 7.4858E-13 6.7619E-13 5.2288E-11
4.7319E-13 4.2475E-13 -7.8158E-14 6.7619E-13 1.1407E-12 6.9024E-11
2.7754E-11 3.2101E-11 -5.7649E-12 5.2288E-11 6.9024E-11 5.3613E-09
# lat0 lon0 xBary yBary zBary JD0
8.230509 -121.103034 0.620010 0.112986 -0.780988 2456393.024908
# Heliocentric elements and errors
Epoch: 2456390.5000 = 2013/04/08
Mean Anomaly: 326.71041 +/- 0.386
Argument of Peri: 114.34830 +/- 0.061
Long of Asc Node: 224.75229 +/- 0.001
Inclination: 31.45137 +/- 0.002
Eccentricity: 0.57364407 +/- 0.0043
Semi-Major Axis: 72.60553567 +/- 0.5287
Time of Perihelion: 2477286.2956 +/- 81.0
Perihelion: 30.95580058 +/- 0.3826
Aphelion: 114.25527077 +/- 0.8876
Period (y) 618.6753 +/- 6.76
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X -27.79799460 +/- 0.0015
Ecliptic Y -44.87517389 +/- 0.0025
Ecliptic Z 7.52153525 +/- 0.0004
Ecliptic XDOT 0.00246301 +/- 0.0000
Ecliptic YDOT 0.00029158 +/- 0.0000
Ecliptic ZDOT 0.00093397 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 53.32057040 +/- 0.0022
Geocenter to KBO 52.53834142 +/- 0.0029
# Hcoef: 7.31
The following table shows the complete astrometric record for 13JV64. 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 (13JV64) followed by the observatory code and reference code for the source of the astrometry.
2013 04 10.52413 15 54 01.029 -11 52 22.48 24.2r 13JV64 568 C~1XRe 2013 04 10.56492 15 54 00.903 -11 52 21.69 24.5r 13JV64 568 C~1XRe 2013 04 19.57778 15 53 33.558 -11 49 23.56 24.1r 13JV64 568 C~1XRe 2013 05 07.45588 15 52 30.505 -11 43 36.52 24.7r 13JV64 568 C~1XRe 2013 05 07.50007 15 52 30.337 -11 43 35.57 24.6r 13JV64 568 C~1XRe 2013 05 07.54026 15 52 30.189 -11 43 34.72 24.4r 13JV64 568 C~1XRe 2013 05 09.50053 15 52 22.782 -11 42 58.36 24.6r 13JV64 568 C~1XRe 2013 05 10.50767 15 52 18.946 -11 42 39.66 24.7r 13JV64 568 C~1XRe 2013 06 04.38901 15 50 43.143 -11 35 48.80 24.4r 13JV64 568 C~1XRe 2013 06 06.39243 15 50 35.660 -11 35 20.85 13JV64 568 C~1XRe 2013 07 02.34516 15 49 09.868 -11 30 48.19 13JV64 568 C~1XRe 2013 07 03.38213 15 49 07.036 -11 30 41.75 24.5r 13JV64 568 C~1XRe 2014 02 24.63659 15 58 33.603 -11 48 34.82 13JV64 568 C~1XRe 2014 02 28.61319 15 58 34.281 -11 47 38.06 13JV64 568 C~1XRe 2014 04 04.50472 15 57 49.863 -11 37 21.50 25.1r 13JV64 568 C~1XRe 2014 04 30.40923 15 56 29.967 -11 28 45.52 24.1r 13JV64 568 C~1XRe 2014 04 30.46055 15 56 29.764 -11 28 44.39 24.5r 13JV64 568 C~1XRe 2014 05 05.46203 15 56 11.446 -11 27 07.83 24.6r 13JV64 568 C~1XRe 2014 05 06.40386 15 56 07.901 -11 26 49.72 24.0r 13JV64 568 C~1XRe 2014 05 06.47074 15 56 07.647 -11 26 48.63 24.3r 13JV64 568 C~1XRe 2014 05 06.54679 15 56 07.345 -11 26 47.01 24.5r 13JV64 568 C~1XRe 2014 05 22.48569 15 55 05.775 -11 22 00.86 13JV64 568 C~1XRe 2014 05 24.46712 15 54 57.995 -11 21 28.07 24.2r 13JV64 568 C~1XRe 2014 07 01.36763 15 52 43.358 -11 13 50.48 24.7r 13JV64 568 C~1XRe 2014 07 18.34104 15 52 01.946 -11 12 31.94 24.7r 13JV64 568 C~1XRe
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 0.13 0.00 0.08
2 0.0001 -1.97 0.02 0.38 0.04
3 0.0248 -431.88 -0.21 90.16 -0.19
4 0.0737 -1410.15 -0.03 234.20 -0.13
5 0.0739 -1412.77 -0.04 234.60 -0.01
6 0.0740 -1415.07 0.03 234.97 0.10
7 0.0793 -1529.09 0.11 247.52 -0.08
8 0.0821 -1588.12 0.05 253.89 -0.01
9 0.1502 -3050.86 -0.01 356.83 0.04
10 0.1557 -3164.27 0.01 360.73 0.03
11 0.2268 -4454.67 -0.24 357.87 0.39
12 0.2296 -4496.73 0.18 355.24 -0.21
13 0.8764 3867.23 -0.10 1055.09 0.03
14 0.8873 3865.28 -0.08 1112.69 0.05
15 0.9828 3099.49 0.05 1581.42 -0.07
16 1.0538 1843.67 0.16 1842.83 -0.05
17 1.0539 1840.51 -0.08 1843.31 0.03
18 1.0676 1557.00 0.39 1881.75 -0.00
19 1.0702 1502.25 -0.02 1888.62 0.08
20 1.0704 1498.37 0.03 1888.91 -0.09
21 1.0706 1493.69 -0.17 1889.57 0.04
22 1.1142 548.54 0.02 1980.56 -0.05
23 1.1196 429.80 -0.18 1988.70 -0.13
24 1.2234 -1602.71 -0.09 2019.97 0.03
25 1.2699 -2214.93 0.06 1967.96 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.
13JV64 quality flag:2 Type: SCATNEAR CENTAURS SCATNEAR axisobj 72.675 74.253 71.194 ecceobj 0.576 0.588 0.564 incobj 31.523 31.523 31.524 qmin 30.474 29.927 30.782 qmax 120.400 121.593 116.866 amean 74.052 74.462 72.324 amin 72.184 72.687 70.476 amax 76.700 76.717 74.329 emean 0.561 0.574 0.549 emin 0.548 0.548 0.517 emax 0.582 0.599 0.572 imean 33.634 33.103 33.458 imin 31.993 31.719 32.023 imax 34.370 34.476 35.286 excite_mean 0.788 0.792 0.778 fracstop 1.000 1.000 1.000 cjmean 2.567 2.560 2.576 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 229.3 230.8 219.5 kozaiamp 105.4 179.9 180.0