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
2018-09-15 15:44:41 s 1 -193164.44 5 +287589.22 1800.0 – C57
2018-09-15 16:14:41 S 00 32 55.308 -61 34 51.85 – V C57
2018-09-15 16:14:41 s 1 -193793.06 2 +286389.86 1640.0 – C57
2018-09-15 17:14:41 S 00 32 41.966 -61 33 46.51 – V C57
2018-09-15 17:14:41 s 1 -195033.08 2 +283965.75 1660.0 – C57
2018-09-15 17:44:41 S 00 32 36.005 -61 33 16.70 – V C57
2018-09-15 17:44:41 s 1 -195644.39 5 +282741.00 1340.0 – C57
2018-09-15 18:14:41 S 00 32 29.767 -61 32 46.25 – V C57
2018-09-15 18:14:41 s 1 -196249.85 0 +281507.78 450.0 – C57
2018-09-15 18:44:41 S 00 32 23.681 -61 32 15.04 – V C57
2018-09-15 18:44:41 s 1 -196849.40 1 +280266.09 8740.0 – C57
2018-09-15 19:14:41 S 00 32 17.047 -61 31 40.62 – V C57
2018-09-15 19:14:41 s 1 -197443.00 2 +279015.92 5950.0 – C57
2018-09-15 19:44:41 S 00 32 10.164 -61 31 09.77 – V C57
2018-09-15 19:44:41 s 1 -198030.60 6 +277757.28 1810.0 – C57
2018-09-15 20:14:41 S 00 32 04.058 -61 30 38.66 – V C57
2018-09-15 20:14:41 s 1 -198612.16 7 +276490.16 6050.0 – C57
2018-09-15 20:44:41 S 00 31 57.953 -61 30 06.66 – V C57
2018-09-15 20:44:41 s 1 -199187.63 5 +275214.55 8410.0 – C57
2018-09-15 21:14:41 S 00 31 51.199 -61 29 35.27 – V C57
2018-09-15 21:14:41 s 1 -199756.96 5 +273930.46 8610.0 – C57
2018-09-15 21:44:41 S 00 31 45.115 -61 29 03.59 – V C57
2018-09-15 21:44:41 s 1 -200320.10 6 +272637.89 6380.0 – C57
2018-09-15 22:14:41 S 00 31 38.784 -61 28 31.01 – V C57
2018-09-15 22:14:41 s 1 -200877.01 0 +271336.82 1450.0 – C57
2018-09-15 23:14:41 S 00 31 26.186 -61 27 27.65 – V C57
2018-09-15 23:14:41 s 1 -201971.91 0 +268709.19 2340.0 – C57
2018-09-15 23:44:41 S 00 31 19.920 -61 26 55.54 – V C57
2018-09-15 23:44:41 s 1 -202509.80 4 +267382.63 7600.0 – C57
2018-09-16 00:14:41 S 00 31 13.843 -61 26 25.98 – V C57
2018-09-16 00:14:41 s 1 -203041.26 1 +266047.57 9010.0 – C57
2018-09-16 00:44:41 S 00 31 07.543 -61 25 53.51 – V C57
2018-09-16 00:44:41 s 1 -203566.22 9 +264704.00 6300.0 – C57
2018-09-16 01:14:41 S 00 31 01.114 -61 25 22.30 – V C57
2018-09-16 01:14:41 s 1 -204084.65 5 +263351.92 9150.0 – C57
2018-09-16 01:44:41 S 00 30 54.535 -61 24 48.24 – V C57
2018-09-16 01:44:41 s 1 -204596.48 7 +261991.32 7280.0 – C57
2018-09-16 02:14:41 S 00 30 48.811 -61 24 20.81 – V C57
2018-09-16 02:14:41 s 1 -205101.67 2 +260622.22 390.0 – C57
2018-09-16 02:44:41 S 00 30 42.206 -61 23 43.22 – V C57
2018-09-16 02:44:41 s 1 -205600.15 6 +259244.59 8170.0 – C57
2018-09-16 03:14:41 S 00 30 35.921 -61 23 14.14 – V C57
2018-09-16 03:14:41 s 1 -206091.88 5 +257858.45 320.0 – C57
2018-09-16 03:44:41 S 00 30 29.777 -61 22 41.09 – V C57
2018-09-16 03:44:41 s 1 -206576.80 5 +256463.78 6520.0 – C57
2018-09-16 05:14:41 S 00 30 11.011 -61 21 04.68 – V C57
2018-09-16 05:14:41 s 1 -207990.14 6 +252228.61 6310.0 – C57
2018-09-16 05:44:41 S 00 30 05.258 -61 20 34.51 – V C57
2018-09-16 05:44:41 s 1 -208447.26 6 +250799.82 5570.0 – C57
2018-09-16 06:14:41 S 00 29 58.884 -61 20 05.14 – V C57