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: 22LM15
# Created Tue Apr 1 01:11:29 2025
# Orbit generated from Bernstein formalism
# Fitting 18 observations of 18
# Arc: 1.27y
# First observation: 2022/06/02
# Last observation: 2023/09/10
Preliminary a, adot, b, bdot, g, gdot:
0.000001 0.024045 -0.000001 -0.001500 0.024131 0.000000
# Chi-squared of fit: 0.67 DOF: 30 RMS: 0.03
# Min/Max residuals: -0.06 0.06
# Exact a, adot, b, bdot, g, gdot:
1.562489E-05 2.389114E-02 -9.555321E-07 -1.509235E-03 2.401394E-02 -1.239671E-03
# Covariance matrix:
2.5652E-13 7.3239E-14 9.9473E-15 -3.1471E-13 8.4995E-13 1.5176E-10
7.3239E-14 1.7158E-10 -3.4826E-12 9.7368E-11 -3.6714E-11 -4.6351E-08
9.9473E-15 -3.4826E-12 2.0185E-13 -2.1318E-12 8.4182E-13 9.6371E-10
-3.1471E-13 9.7368E-11 -2.1318E-12 5.6951E-11 -2.3793E-11 -2.7002E-08
8.4995E-13 -3.6714E-11 8.4182E-13 -2.3793E-11 1.4100E-11 1.1340E-08
1.5176E-10 -4.6351E-08 9.6371E-10 -2.7002E-08 1.1340E-08 1.2857E-05
# lat0 lon0 xBary yBary zBary JD0
1.123923 -72.525579 0.602415 0.015758 -0.816959 2459732.944521
# Heliocentric elements and errors
Epoch: 2459730.5000 = 2022/05/31
Mean Anomaly: 321.84145 +/- 47.384
Argument of Peri: 209.08956 +/- 63.535
Long of Asc Node: 123.68708 +/- 0.041
Inclination: 3.76162 +/- 0.009
Eccentricity: 0.10191686 +/- 0.1134
Semi-Major Axis: 45.94456475 +/- 0.9535
Time of Perihelion: 2471787.4942 +/- 14967.3
Perihelion: 41.26203895 +/- 5.2817
Aphelion: 50.62709056 +/- 5.3167
Period (y) 311.4293 +/- 9.70
# Ecliptic coordinates at JD0 (AU and AU/d)
Ecliptic X 12.18234164 +/- 0.0019
Ecliptic Y -40.67520546 +/- 0.0062
Ecliptic Z 0.81684930 +/- 0.0001
Ecliptic XDOT 0.00255847 +/- 0.0001
Ecliptic YDOT 0.00095849 +/- 0.0004
Ecliptic ZDOT -0.00017492 +/- 0.0000
# Distances at JD0 (AU)
Heliocenter to KBO 42.46821199 +/- 0.0060
Geocenter to KBO 41.64247908 +/- 0.0065
# Hcoef: 9.11
The following table shows the complete astrometric record for 22LM15. 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 (22LM15) followed by the observatory code and reference code for the source of the astrometry.
2022 06 02.44372 19 15 07.826 -21 10 59.45 25.4r 22LM15 266 C~6Ipa 2022 06 02.53086 19 15 07.483 -21 11 00.06 25.4r 22LM15 266 C~6Ipa 2022 06 02.61096 19 15 07.168 -21 11 00.60 25.4r 22LM15 266 C~6Ipa 2022 06 03.44086 19 15 03.964 -21 11 06.26 25.2r 22LM15 266 C~6Ipa 2022 06 03.52767 19 15 03.617 -21 11 06.88 25.2r 22LM15 266 C~6Ipa 2022 06 03.61505 19 15 03.268 -21 11 07.48 25.2r 22LM15 266 C~6Ipa 2022 06 29.45230 19 13 06.892 -21 14 40.85 25.3r 22LM15 266 C~6Ipa 2022 06 29.51532 19 13 06.577 -21 14 41.43 25.3r 22LM15 266 C~6Ipa 2022 06 29.57836 19 13 06.262 -21 14 42.00 25.3r 22LM15 266 C~6Ipa 2022 06 30.45132 19 13 01.968 -21 14 50.03 25.3r 22LM15 266 C~6Ipa 2022 06 30.51613 19 13 01.642 -21 14 50.63 25.3r 22LM15 266 C~6Ipa 2022 06 30.58249 19 13 01.310 -21 14 51.22 25.3r 22LM15 266 C~6Ipa 2023 09 09.22891 19 14 05.462 -21 19 56.11 22LM15 266 C~8ecH 2023 09 09.32430 19 14 05.258 -21 19 56.66 22LM15 266 C~8ecH 2023 09 09.41985 19 14 05.056 -21 19 57.19 22LM15 266 C~8ecH 2023 09 10.22905 19 14 03.448 -21 20 01.72 22LM15 266 C~8ecH 2023 09 10.32490 19 14 03.251 -21 20 02.26 22LM15 266 C~8ecH 2023 09 10.42059 19 14 03.058 -21 20 02.77 22LM15 266 C~8ecH
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 0.02 0.00 -0.01
2 0.0002 -4.84 0.01 0.01 -0.01
3 0.0005 -9.27 0.01 0.04 -0.01
4 0.0027 -54.44 -0.01 0.16 0.04
5 0.0030 -59.34 -0.02 0.17 0.04
6 0.0032 -64.25 -0.02 0.20 0.03
7 0.0739 -1705.55 -0.03 -5.66 -0.04
8 0.0741 -1709.99 -0.01 -5.69 -0.05
9 0.0743 -1714.43 -0.01 -5.70 -0.05
10 0.0767 -1775.00 0.01 -6.17 0.02
11 0.0769 -1779.59 0.01 -6.20 0.02
12 0.0770 -1784.27 0.02 -6.20 0.02
13 1.2698 -933.04 0.04 -421.33 -0.06
14 1.2700 -935.93 0.03 -421.51 -0.06
15 1.2703 -938.80 0.03 -421.68 -0.06
16 1.2725 -961.66 -0.02 -423.34 0.06
17 1.2728 -964.46 -0.04 -423.52 0.06
18 1.2730 -967.20 -0.03 -423.69 0.06
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.
22LM15 quality flag:1 Type: CLASSICAL 5:2EEE CLASSICAL axisobj 45.501 55.046 45.482 ecceobj 0.097 0.468 0.097 incobj 3.767 3.737 3.766 qmin 40.598 29.026 40.581 qmax 51.200 83.731 51.163 amean 45.735 55.463 45.716 amin 45.364 54.533 45.341 amax 46.128 56.657 46.107 emean 0.097 0.467 0.097 emin 0.083 0.456 0.083 emax 0.110 0.478 0.110 imean 2.510 2.294 2.510 imin 2.021 2.154 2.020 imax 3.026 2.491 3.028 excite_mean 0.106 0.468 0.106 fracstop 1.000 1.000 1.000 cjmean 3.109 2.942 3.109 libcent 0 -180.0 179.3 -180.0 libamp 0 -180.0 143.3 -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 183.7 186.8 183.9 kozaiamp 180.0 180.0 180.0