IAA RAS IAA Minor Planet Database

137062 (1998 WM)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3153271265 ± 2.06e-08
Semi-major axis (a)1.2245884699 AU ± 6.45e-10
Inclination (i)22.51507649° ± 2.94e-06
Long. of Asc. Node (Ω)45.62087748° ± 3.48e-06
Arg. of Perihelion (ω)172.58220265° ± 5.40e-06
Mean Anomaly (M)201.77357274° ± 6.50e-06
Mean Motion (n)0.7273225072°/day ± 5.75e-10
Perihelion dist (q)0.83844251 AU ± 2.52e-08
Aphelion dist (Q)1.61073443 AU ± 2.52e-08
Orbital Period1.35514338 yr ± 1.07e-09
Physical Parameters
H (abs. magnitude)16.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.591″
Uncertainty0
Orbit TypeApollo
MOID0.169083 AU
Observations Used4601
Gaia Obs Used10
Oppositions7
Arc Total1987-2015
First Observation Used1987-10-16
Last Observation Used2026-01-11
Observations (7442)
Date Type RA Dec Mag Band Observatory
2018-09-16 21:14:41 s 1 -218784.11 9 +202263.39 1010.0 – C57
2018-09-16 21:44:41 S 00 26 49.771 -61 03 26.14 – V C57
2018-09-16 21:44:41 s 1 -218981.61 1 +200560.63 3560.0 – C57
2018-09-16 22:14:41 S 00 26 43.812 -61 02 49.56 – V C57
2018-09-16 22:14:41 s 1 -219169.75 7 +198849.32 5750.0 – C57
2018-09-16 22:44:41 S 00 26 37.925 -61 02 19.07 – V C57
2018-09-16 22:44:41 s 1 -219348.46 9 +197129.45 7070.0 – C57
2018-09-16 23:14:41 S 00 26 32.006 -61 01 43.07 – V C57
2018-09-16 23:14:41 s 1 -219517.66 1 +195401.03 7030.0 – C57
2018-09-17 01:44:41 S 00 26 02.369 -60 59 02.62 – V C57
2018-09-17 01:44:41 s 1 -220217.70 5 +186630.75 8470.0 – C57
2018-09-17 02:14:41 S 00 25 56.690 -60 58 31.37 – V C57
2018-09-17 02:14:41 s 1 -220327.88 9 +184851.09 9390.0 – C57
2018-09-17 03:44:41 S 00 25 39.240 -60 56 52.51 – V C57
2018-09-17 03:44:41 s 1 -220597.08 8 +179461.02 9590.0 – C57
2018-09-17 04:14:41 S 00 25 32.815 -60 56 19.25 – V C57
2018-09-17 04:14:41 s 1 -220666.04 3 +177647.32 6900.0 – C57
2018-09-17 04:44:41 S 00 25 27.226 -60 55 49.80 – V C57
2018-09-17 04:44:41 s 1 -220724.44 3 +175825.13 6880.0 – C57
2018-09-17 05:14:41 S 00 25 21.682 -60 55 18.23 – V C57
2018-09-17 05:14:41 s 1 -220772.18 6 +173994.45 8930.0 – C57
2018-09-17 05:44:41 S 00 25 15.197 -60 54 43.24 – V C57
2018-09-17 05:44:41 s 1 -220809.16 8 +172155.30 2450.0 – C57
2018-09-17 06:14:41 S 00 25 09.470 -60 54 11.81 – V C57
2018-09-17 06:14:41 s 1 -220835.28 4 +170307.68 6820.0 – C57
2018-09-17 06:44:41 S 00 25 03.658 -60 53 37.14 – V C57
2018-09-17 06:44:41 s 1 -220850.42 8 +168451.60 1430.0 – C57
2018-09-17 07:14:41 S 00 24 57.977 -60 53 06.86 – V C57
2018-09-17 07:14:41 s 1 -220854.49 2 +166587.09 5660.0 – C57
2018-09-17 07:44:41 S 00 24 52.037 -60 52 29.64 – V C57
2018-09-17 07:44:41 s 1 -220847.36 7 +164714.14 8850.0 – C57
2018-09-17 08:14:41 S 00 24 46.260 -60 51 59.18 – V C57
2018-09-17 08:14:41 s 1 -220828.94 2 +162832.76 0.037 – C57
2018-09-17 08:44:41 S 00 24 40.238 -60 51 27.04 – V C57
2018-09-17 08:44:41 s 1 -220799.10 4 +160942.98 0.956 – C57
2018-09-17 09:14:41 S 00 24 34.373 -60 50 52.55 – V C57
2018-09-17 09:14:41 s 1 -220757.73 9 +159044.81 0.575 – C57
2018-09-17 09:44:41 S 00 24 28.757 -60 50 23.93 – V C57
2018-09-17 09:44:41 s 1 -220704.73 2 +157138.26 0.825 – C57
2018-09-17 10:14:41 S 00 24 23.222 -60 49 49.94 – V C57
2018-09-17 10:14:41 s 1 -220639.96 4 +155223.34 0.638 – C57
2018-09-17 10:44:41 S 00 24 17.297 -60 49 19.42 – V C57
2018-09-17 10:44:41 s 1 -220563.31 8 +153300.07 0.945 – C57
2018-09-17 11:14:41 S 00 24 11.292 -60 48 44.42 – V C57
2018-09-17 11:14:41 s 1 -220474.67 0 +151368.47 0.673 – C57
2018-09-17 11:44:41 S 00 24 05.885 -60 48 11.30 – V C57
2018-09-17 11:44:41 s 1 -220373.90 0 +149428.56 0.75 – C57
2018-09-17 12:14:41 S 00 24 00.228 -60 47 38.83 – V C57
2018-09-17 12:14:41 s 1 -220260.88 3 +147480.36 0.104 – C57
2018-09-17 12:44:41 S 00 23 54.158 -60 47 06.47 – V C57