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: 15RM280
# Created Sun Nov 24 02:10:25 2024
# Orbit generated from Bernstein formalism
# Fitting 37 observations of 37
# Arc: 2.23y
# First observation: 2015/06/23
# Last observation: 2017/09/16
Preliminary a, adot, b, bdot, g, gdot:
-0.000089 0.023480 0.000007 -0.000692 0.023636 0.000000
# Chi-squared of fit: 9.28 DOF: 68 RMS: 0.09
# Min/Max residuals: -0.21 0.23
# Exact a, adot, b, bdot, g, gdot:
1.496005E-05 2.297810E-02 9.225998E-09 -6.825010E-04 2.326953E-02 3.430024E-04
# Covariance matrix:
1.7599E-13 4.6139E-14 -6.8542E-15 -2.6217E-16 1.6695E-13 3.4313E-12
4.6139E-14 3.1522E-13 -1.0503E-14 -1.7043E-15 2.8040E-13 8.5244E-12
-6.8542E-15 -1.0503E-14 9.4195E-14 -7.3428E-14 -1.4369E-14 -3.2998E-13
-2.6217E-16 -1.7043E-15 -7.3428E-14 9.7706E-14 -1.6774E-15 -1.1776E-13
1.6695E-13 2.8040E-13 -1.4369E-14 -1.6774E-15 3.7126E-13 1.0021E-11
3.4313E-12 8.5244E-12 -3.2998E-13 -1.1776E-13 1.0021E-11 4.2885E-10
# lat0 lon0 xBary yBary zBary JD0
3.248910 7.571962 1.011145 -0.005716 0.102363 2457197.079268
# Heliocentric elements and errors
Epoch: 2457190.5000 = 2015/06/17
Mean Anomaly: 350.57371 +/- 0.847
Argument of Peri: 127.00879 +/- 0.952
Long of Asc Node: 249.70877 +/- 0.011
Inclination: 3.63775 +/- 0.000
Eccentricity: 0.05658428 +/- 0.0002
Semi-Major Axis: 45.41161568 +/- 0.0028
Time of Perihelion: 2460117.2605 +/- 262.8
Perihelion: 42.84203205 +/- 0.0079
Aphelion: 47.98119932 +/- 0.0080
Period (y) 306.0262 +/- 0.03
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 42.55956990 +/- 0.0011
Ecliptic Y 4.63837211 +/- 0.0001
Ecliptic Z 2.43559396 +/- 0.0001
Ecliptic XDOT -0.00031426 +/- 0.0000
Ecliptic YDOT 0.00267966 +/- 0.0000
Ecliptic ZDOT -0.00007782 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 42.88080694 +/- 0.0011
Geocenter to KBO 42.97465538 +/- 0.0011
# Hcoef: 8.19
The following table shows the complete astrometric record for 15RM280. 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 (15RM280) followed by the observatory code and reference code for the source of the astrometry.
2015 06 23.57849 00 22 39.416 +05 59 18.54 24.8r 15RM280 568 C~2nvq 2015 06 23.58498 00 22 39.416 +05 59 18.64 24.5r 15RM280 568 C~2nvq 2015 07 14.57552 00 22 46.585 +06 01 41.30 23.7r 15RM280 568 C~2nvq 2015 08 19.57132 00 21 37.492 +05 56 36.44 25.5r 15RM280 568 C~2nvq 2015 08 19.60028 00 21 37.380 +05 56 35.95 24.3r 15RM280 568 C~2nvq 2015 08 20.40327 00 21 34.836 +05 56 21.73 24.7r 15RM280 568 C~2nvq 2015 08 20.45053 00 21 34.700 +05 56 20.92 24.5r 15RM280 568 C~2nvq 2015 09 07.55043 00 20 28.764 +05 49 56.76 15RM280 568 C~2nvq 2015 09 09.37654 00 20 21.383 +05 49 11.79 24.3r 15RM280 568 C~2nvq 2015 09 09.42093 00 20 21.194 +05 49 10.67 24.5r 15RM280 568 C~2nvq 2015 09 09.46188 00 20 21.027 +05 49 09.67 24.7r 15RM280 568 C~2nvq 2015 09 10.48550 00 20 16.840 +05 48 43.98 15RM280 568 C~2nvq 2015 09 18.44074 00 19 43.377 +05 45 15.45 24.9w 15RM280 568 C~2nvq 2015 09 18.48843 00 19 43.172 +05 45 14.11 25.0w 15RM280 568 C~2nvq 2015 10 08.32880 00 18 16.957 +05 35 50.86 24.6w 15RM280 568 C~2nvq 2015 10 08.38143 00 18 16.734 +05 35 49.34 24.7w 15RM280 568 C~2nvq 2015 10 09.29850 00 18 12.790 +05 35 22.68 24.4w 15RM280 568 C~2nvq 2015 11 10.41160 00 16 12.617 +05 20 58.17 25.0w 15RM280 568 C~2nvq 2015 11 15.27884 00 15 59.042 +05 19 10.05 24.6w 15RM280 568 C~2nvq 2015 12 08.22307 00 15 18.844 +05 12 57.59 24.8w 15RM280 568 C~2nvq 2016 01 01.28580 00 15 25.083 +05 11 25.30 24.8w 15RM280 568 C~2nvq 2016 09 05.51473 00 25 35.906 +06 20 15.15 15RM280 568 C~2nvq 2016 09 07.45495 00 25 28.212 +06 19 28.92 15RM280 568 C~2nvq 2016 09 07.50041 00 25 28.029 +06 19 27.78 15RM280 568 C~2nvq 2016 09 26.52978 00 24 07.463 +06 11 03.57 24.8w 15RM280 568 C~2nvq 2016 10 27.28731 00 21 58.572 +05 56 26.74 24.4r 15RM280 568 C~2nvq 2016 10 30.33074 00 21 47.352 +05 55 04.93 15RM280 568 C~2nvq 2016 10 30.36491 00 21 47.238 +05 55 04.26 15RM280 568 C~2nvq 2016 11 03.28100 00 21 33.474 +05 53 22.62 24.8w 15RM280 568 C~2nvq 2016 11 03.33353 00 21 33.290 +05 53 21.40 24.6w 15RM280 568 C~2nvq 2016 12 24.21957 00 20 12.969 +05 40 39.31 24.8w 15RM280 568 C~2nvq 2016 12 24.25721 00 20 12.998 +05 40 39.31 24.4w 15RM280 568 C~2nvq 2016 12 24.27988 00 20 12.997 +05 40 39.13 24.8w 15RM280 568 C~2nvq 2017 01 02.22032 00 20 21.678 +05 40 45.59 24.8w 15RM280 568 C~2nvq 2017 01 02.24497 00 20 21.702 +05 40 45.70 25.0w 15RM280 568 C~2nvq 2017 01 26.23123 00 21 19.100 +05 44 51.27 24.1w 15RM280 568 C~2nvq 2017 09 16.53261 00 29 54.703 +06 45 25.17 24.5w 15RM280 568 C~2nvq
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 -0.10
2 0.0000 0.04 0.04 0.09 -0.04
3 0.0575 154.78 0.06 88.66 -0.00
4 0.1560 -912.34 0.23 217.67 -0.01
5 0.1561 -914.07 -0.02 217.89 0.11
6 0.1583 -954.55 -0.21 219.90 0.02
7 0.1584 -956.74 0.05 219.96 -0.07
8 0.2080 -2012.27 0.01 258.12 0.02
9 0.2130 -2131.23 -0.07 260.63 0.07
10 0.2131 -2134.26 -0.14 260.72 0.08
11 0.2132 -2136.95 -0.09 260.79 0.08
12 0.2160 -2204.50 -0.04 262.05 0.02
13 0.2378 -2745.71 -0.07 269.26 -0.08
14 0.2379 -2749.05 -0.05 269.24 -0.14
15 0.2923 -4154.19 -0.05 264.66 -0.04
16 0.2924 -4157.85 0.06 264.59 -0.07
17 0.2949 -4222.51 -0.15 263.58 -0.03
18 0.3828 -6214.07 0.13 186.07 0.06
19 0.3962 -6443.33 0.13 167.83 0.04
20 0.4590 -7143.28 -0.06 65.99 -0.00
21 0.5249 -7094.63 0.09 -55.91 0.12
22 1.2045 2914.67 0.02 112.09 -0.02
23 1.2098 2791.01 0.01 114.96 0.05
24 1.2099 2788.05 0.03 114.99 -0.01
25 1.2620 1485.14 0.03 127.08 0.03
26 1.3462 -627.51 -0.07 83.96 0.16
27 1.3546 -813.63 -0.14 75.29 -0.21
28 1.3547 -815.46 0.12 75.35 -0.07
29 1.3654 -1044.30 -0.02 63.57 -0.12
30 1.3655 -1047.30 0.02 63.54 -0.01
31 1.5048 -2450.18 -0.09 -159.75 0.08
32 1.5049 -2449.78 0.09 -159.93 0.08
33 1.5050 -2449.87 -0.13 -160.08 0.03
34 1.5295 -2328.38 0.13 -205.66 -0.09
35 1.5295 -2328.01 0.03 -205.70 -0.02
36 1.5952 -1444.18 -0.03 -320.62 0.17
37 2.2340 7056.81 0.01 -20.64 -0.08
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.
15RM280 quality flag:3 Type: CLASSICAL CLASSICAL CLASSICAL axisobj 45.889 45.897 45.881 ecceobj 0.066 0.066 0.066 incobj 3.636 3.636 3.636 qmin 42.086 42.110 42.083 qmax 49.410 49.394 49.386 amean 45.633 45.641 45.625 amin 45.263 45.281 45.262 amax 46.014 46.021 46.001 emean 0.062 0.062 0.062 emin 0.049 0.049 0.049 emax 0.074 0.074 0.074 imean 5.226 5.226 5.226 imin 4.805 4.803 4.804 imax 5.616 5.613 5.614 excite_mean 0.110 0.110 0.110 fracstop 1.000 1.000 1.000 cjmean 3.107 3.107 3.106 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 180.6 180.6 180.8 kozaiamp 180.0 179.9 180.0