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: 15RM279 # Created Wed May 8 01:17:17 2024 # Orbit generated from Bernstein formalism # Fitting 53 observations of 53 # Arc: 2.44y # First observation: 2015/07/14 # Last observation: 2017/12/23 Preliminary a, adot, b, bdot, g, gdot: -0.000092 0.019254 0.000001 0.000052 0.021566 0.000000 # Chi-squared of fit: 30.69 DOF: 100 RMS: 0.13 # Min/Max residuals: -0.51 0.29 # Exact a, adot, b, bdot, g, gdot: 1.364018E-05 1.904692E-02 1.146298E-06 5.181668E-05 2.144285E-02 2.511528E-04 # Covariance matrix: 2.0699E-13 2.3343E-14 -1.5237E-16 5.8735E-16 1.8631E-13 5.9642E-12 2.3343E-14 1.4174E-13 -1.5276E-16 5.8452E-16 1.4790E-13 5.9120E-12 -1.5237E-16 -1.5276E-16 8.7622E-14 -6.5702E-14 -3.2954E-16 -2.2654E-14 5.8735E-16 5.8452E-16 -6.5702E-14 7.1530E-14 1.2602E-15 8.5667E-14 1.8631E-13 1.4790E-13 -3.2954E-16 1.2602E-15 3.1172E-13 1.2741E-11 5.9642E-12 5.9120E-12 -2.2654E-14 8.5667E-14 1.2741E-11 8.6086E-10 # lat0 lon0 xBary yBary zBary JD0 -0.009196 6.825334 0.982973 0.000061 -0.263069 2457218.088539 # Heliocentric elements and errors Epoch: 2457210.5000 = 2015/07/07 Mean Anomaly: 188.09578 +/- 1.207 Argument of Peri: 169.61094 +/- 1.209 Long of Asc Node: 8.90217 +/- 0.012 Inclination: 0.15777 +/- 0.001 Eccentricity: 0.06756446 +/- 0.0002 Semi-Major Axis: 43.96139087 +/- 0.0024 Time of Perihelion: 2508048.6353 +/- 356.9 Perihelion: 40.99116319 +/- 0.0093 Aphelion: 46.93161854 +/- 0.0094 Period (y) 291.4844 +/- 0.02 # Ecliptic coordinates at JD0 (AU and AU/d) Ecliptic X 46.67956550 +/- 0.0012 Ecliptic Y 4.59791752 +/- 0.0001 Ecliptic Z -0.00738228 +/- 0.0000 Ecliptic XDOT -0.00025946 +/- 0.0000 Ecliptic YDOT 0.00241223 +/- 0.0000 Ecliptic ZDOT 0.00000667 +/- 0.0000 # Distances at JD0 (AU) Heliocenter to KBO 46.90546594 +/- 0.0012 Geocenter to KBO 46.63558152 +/- 0.0012 # Hcoef: 8.12
The following table shows the complete astrometric record for 15RM279. 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 (15RM279) followed by the observatory code and reference code for the source of the astrometry.
2015 07 14.58775 00 25 04.906 +02 42 03.99 23.9r 15RM279 568 C~2nvm 2015 07 19.56683 00 25 01.351 +02 41 41.28 24.8r 15RM279 568 C~2nvm 2015 08 11.46704 00 24 22.371 +02 37 30.28 24.8r 15RM279 568 C~2nvm 2015 08 11.51158 00 24 22.258 +02 37 29.74 24.9r 15RM279 568 C~2nvm 2015 09 08.37633 00 22 53.917 +02 28 00.37 24.6r 15RM279 568 C~2nvm 2015 09 08.48053 00 22 53.517 +02 27 57.77 24.7r 15RM279 568 C~2nvm 2015 09 08.52274 00 22 53.372 +02 27 56.65 25.0r 15RM279 568 C~2nvm 2015 09 09.49961 00 22 49.694 +02 27 33.07 24.7w 15RM279 568 C~2nvm 2015 09 10.44054 00 22 46.144 +02 27 10.02 24.9w 15RM279 568 C~2nvm 2015 09 16.42148 00 22 22.984 +02 24 40.79 24.9w 15RM279 568 C~2nvm 2015 10 07.28650 00 20 58.947 +02 15 38.06 24.4r 15RM279 568 C~2nvm 2015 10 07.31809 00 20 58.825 +02 15 37.33 24.8r 15RM279 568 C~2nvm 2015 10 07.37159 00 20 58.594 +02 15 36.02 25.2r 15RM279 568 C~2nvm 2015 11 05.24318 00 19 13.308 +02 04 15.94 25.2w 15RM279 568 C~2nvm 2015 11 07.21298 00 19 07.327 +02 03 37.27 25.7w 15RM279 568 C~2nvm 2015 11 07.26546 00 19 07.163 +02 03 36.28 24.7w 15RM279 568 C~2nvm 2015 11 08.37106 00 19 03.852 +02 03 15.16 24.6w 15RM279 568 C~2nvm 2015 11 10.33047 00 18 58.275 +02 02 39.13 25.3w 15RM279 568 C~2nvm 2015 11 10.34251 00 18 58.235 +02 02 38.68 25.3w 15RM279 568 C~2nvm 2015 12 07.28927 00 18 06.202 +01 57 02.97 24.8w 15RM279 568 C~2nvm 2016 01 01.21869 00 18 07.505 +01 57 12.46 25.2w 15RM279 568 C~2nvm 2016 09 05.54890 00 27 05.026 +02 55 11.60 24.9w 15RM279 568 C~2nvm 2016 09 05.55294 00 27 05.012 +02 55 11.64 25.1w 15RM279 568 C~2nvm 2016 09 07.48826 00 26 57.891 +02 54 25.73 25.1w 15RM279 568 C~2nvm 2016 09 07.49232 00 26 57.877 +02 54 25.88 25.5w 15RM279 568 C~2nvm 2016 09 07.53459 00 26 57.721 +02 54 24.78 25.1w 15RM279 568 C~2nvm 2016 09 07.53863 00 26 57.711 +02 54 24.72 25.0w 15RM279 568 C~2nvm 2016 09 26.56094 00 25 43.046 +02 46 24.17 25.1w 15RM279 568 C~2nvm 2016 09 26.57548 00 25 42.991 +02 46 23.87 25.1w 15RM279 568 C~2nvm 2016 10 27.36317 00 23 42.962 +02 33 30.64 25.1w 15RM279 568 C~2nvm 2016 10 27.43514 00 23 42.680 +02 33 29.01 25.7w 15RM279 568 C~2nvm 2016 10 27.45037 00 23 42.670 +02 33 28.37 25.6w 15RM279 568 C~2nvm 2016 10 28.31680 00 23 39.644 +02 33 08.99 25.1w 15RM279 568 C~2nvm 2016 10 28.32258 00 23 39.633 +02 33 09.05 25.0w 15RM279 568 C~2nvm 2016 10 28.34764 00 23 39.520 +02 33 08.51 24.9w 15RM279 568 C~2nvm 2016 10 29.28623 00 23 36.288 +02 32 47.53 25.1w 15RM279 568 C~2nvm 2016 10 29.38909 00 23 35.939 +02 32 45.25 24.7w 15RM279 568 C~2nvm 2016 10 30.33565 00 23 32.708 +02 32 24.41 25.1w 15RM279 568 C~2nvm 2016 11 02.24820 00 23 23.048 +02 31 21.79 25.0w 15RM279 568 C~2nvm 2016 11 03.22373 00 23 19.886 +02 31 01.73 24.7w 15RM279 568 C~2nvm 2016 11 03.22971 00 23 19.843 +02 31 01.45 24.7r 15RM279 568 C~2nvm 2016 11 03.28691 00 23 19.670 +02 31 00.34 25.0w 15RM279 568 C~2nvm 2016 11 03.33931 00 23 19.509 +02 30 59.47 24.8w 15RM279 568 C~2nvm 2016 12 24.23886 00 22 00.479 +02 22 31.11 25.1w 15RM279 568 C~2nvm 2016 12 24.25172 00 22 00.488 +02 22 30.96 25.1w 15RM279 568 C~2nvm 2017 01 02.23941 00 22 07.318 +02 23 15.30 25.5w 15RM279 568 C~2nvm 2017 01 26.22433 00 22 56.751 +02 28 35.95 25.1w 15RM279 568 C~2nvm 2017 01 27.25017 00 22 59.794 +02 28 55.48 24.2w 15RM279 568 C~2nvm 2017 01 27.25763 00 22 59.837 +02 28 55.53 25.1w 15RM279 568 C~2nvm 2017 01 28.24596 00 23 02.850 +02 29 15.08 25.2w 15RM279 568 C~2nvm 2017 01 28.25342 00 23 02.879 +02 29 15.11 25.2w 15RM279 568 C~2nvm 2017 11 22.37572 00 26 30.786 +02 51 45.60 25.4w 15RM279 568 C~2nvm 2017 12 23.31586 00 25 59.151 +02 48 22.64 25.0w 15RM279 568 C~2nvm
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 0.08 0.00 -0.23
2 0.0136 -57.90 0.04 0.20 -0.13
3 0.0763 -693.63 0.04 0.65 -0.15
4 0.0765 -695.40 0.10 0.82 0.01
5 0.1527 -2136.53 -0.09 1.69 0.19
6 0.1530 -2143.06 -0.17 1.68 0.12
7 0.1531 -2145.50 0.02 1.51 -0.07
8 0.1558 -2205.46 -0.04 1.67 0.08
9 0.1584 -2263.44 0.06 1.56 -0.04
10 0.1748 -2641.31 0.21 1.91 0.12
11 0.2319 -4013.13 0.04 2.31 -0.10
12 0.2320 -4015.10 0.17 2.36 -0.06
13 0.2321 -4018.80 0.03 2.53 0.08
14 0.3112 -5738.23 -0.01 3.46 -0.02
15 0.3166 -5835.95 0.04 3.49 -0.06
16 0.3167 -5838.60 -0.00 3.56 -0.01
17 0.3197 -5892.58 -0.51 3.84 0.18
18 0.3251 -5983.69 0.22 3.91 0.17
19 0.3251 -5984.42 0.06 3.73 -0.01
20 0.3989 -6834.44 0.00 4.79 -0.02
21 0.4672 -6812.72 -0.07 5.76 -0.02
22 1.1471 1964.46 -0.03 12.27 -0.13
23 1.1471 1964.28 0.04 12.39 -0.01
24 1.1524 1848.13 -0.14 12.36 -0.08
25 1.1524 1848.00 -0.03 12.58 0.14
26 1.1525 1845.42 -0.01 12.49 0.03
27 1.1525 1845.26 0.08 12.49 0.03
28 1.2046 627.76 -0.24 13.07 0.01
29 1.2046 626.88 -0.14 13.12 0.06
30 1.2889 -1330.80 -0.09 14.16 0.10
31 1.2891 -1335.33 -0.43 14.34 0.24
32 1.2892 -1335.72 0.07 13.81 -0.29
33 1.2915 -1385.03 -0.01 13.95 -0.13
34 1.2915 -1385.16 0.20 14.07 -0.01
35 1.2916 -1386.93 -0.12 14.24 0.15
36 1.2942 -1439.71 -0.07 14.14 0.04
37 1.2945 -1445.42 0.09 14.11 -0.04
38 1.2971 -1498.13 -0.02 14.13 -0.03
39 1.3050 -1655.86 0.14 13.90 -0.33
40 1.3077 -1707.32 0.13 14.23 -0.03
41 1.3077 -1708.02 -0.25 14.23 -0.04
42 1.3079 -1710.84 -0.02 14.24 -0.05
43 1.3080 -1713.40 0.21 14.39 0.08
44 1.4474 -3002.44 -0.07 16.36 0.22
45 1.4474 -3002.37 -0.08 16.17 0.03
46 1.4720 -2890.80 0.08 16.36 -0.09
47 1.5377 -2083.44 0.18 17.56 0.29
48 1.5405 -2033.82 -0.15 17.45 0.14
49 1.5405 -2033.21 0.10 17.24 -0.07
50 1.5432 -1984.00 0.06 17.32 -0.01
51 1.5432 -1983.59 0.09 17.18 -0.16
52 2.3594 1411.82 0.09 25.68 0.02
53 2.4442 896.23 0.12 26.52 -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.
15RM279 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 44.370 44.376 44.363 ecceobj 0.057 0.057 0.058 incobj 0.158 0.158 0.158 qmin 40.527 40.558 40.539 qmax 48.049 48.013 48.008 amean 44.167 44.175 44.161 amin 43.822 43.831 43.812 amax 44.533 44.543 44.527 emean 0.063 0.063 0.063 emin 0.047 0.047 0.047 emax 0.079 0.078 0.079 imean 1.809 1.810 1.809 imin 1.091 1.094 1.091 imax 2.358 2.355 2.361 excite_mean 0.071 0.071 0.071 fracstop 1.000 1.000 1.000 cjmean 3.097 3.098 3.097 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 168.8 168.5 169.0 kozaiamp 180.0 180.0 179.9