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 03:14:41 s 1 -175711.18 5 +314831.01 4920.0 – C57
2018-09-15 03:44:41 S 00 35 37.745 -61 47 49.45 – V C57
2018-09-15 03:44:41 s 1 -176469.52 8 +313842.38 3850.0 – C57
2018-09-15 04:14:41 S 00 35 31.258 -61 47 17.84 – V C57
2018-09-15 04:14:41 s 1 -177223.14 1 +312845.34 8630.0 – C57
2018-09-15 04:44:41 S 00 35 24.744 -61 46 48.47 – V C57
2018-09-15 04:44:41 s 1 -177971.98 9 +311839.90 9070.0 – C57
2018-09-15 05:14:41 S 00 35 17.978 -61 46 15.82 – V C57
2018-09-15 05:14:41 s 1 -178716.03 5 +310826.05 4960.0 – C57
2018-09-15 05:44:41 S 00 35 11.647 -61 45 47.70 – V C57
2018-09-15 05:44:41 s 1 -179455.24 3 +309803.78 6080.0 – C57
2018-09-15 06:14:41 S 00 35 05.234 -61 45 17.06 – V C57
2018-09-15 06:14:41 s 1 -180189.57 6 +308773.11 2230.0 – C57
2018-09-15 06:44:41 S 00 34 58.553 -61 44 46.28 – V C57
2018-09-15 06:44:41 s 1 -180918.99 6 +307734.01 3190.0 – C57
2018-09-15 07:14:41 S 00 34 52.121 -61 44 15.68 – V C57
2018-09-15 07:14:41 s 1 -181643.46 8 +306686.51 8750.0 – C57
2018-09-15 07:44:41 S 00 34 45.067 -61 43 42.13 – V C57
2018-09-15 07:44:41 s 1 -182362.95 2 +305630.58 8700.0 – C57
2018-09-15 08:14:41 S 00 34 39.242 -61 43 13.91 – V C57
2018-09-15 08:14:41 s 1 -183077.41 2 +304566.24 2810.0 – C57
2018-09-15 08:44:41 S 00 34 32.450 -61 42 40.54 – V C57
2018-09-15 08:44:41 s 1 -183786.80 8 +303493.47 880.0 – C57
2018-09-15 09:14:41 S 00 34 25.702 -61 42 09.47 – V C57
2018-09-15 09:14:41 s 1 -184491.10 2 +302412.28 2670.0 – C57
2018-09-15 09:44:41 S 00 34 19.277 -61 41 39.88 – V C57
2018-09-15 09:44:41 s 1 -185190.25 4 +301322.66 7970.0 – C57
2018-09-15 10:14:41 S 00 34 12.773 -61 41 08.63 – V C57
2018-09-15 10:14:41 s 1 -185884.22 7 +300224.62 6560.0 – C57
2018-09-15 10:44:41 S 00 34 06.130 -61 40 36.37 – V C57
2018-09-15 10:44:41 s 1 -186572.98 0 +299118.14 8200.0 – C57
2018-09-15 11:14:41 S 00 33 59.662 -61 40 03.25 – V C57
2018-09-15 11:14:41 s 1 -187256.47 2 +298003.24 2670.0 – C57
2018-09-15 11:44:41 S 00 33 53.102 -61 39 31.86 – V C57
2018-09-15 11:44:41 s 1 -187934.66 5 +296879.89 9740.0 – C57
2018-09-15 12:14:41 S 00 33 46.865 -61 39 03.89 – V C57
2018-09-15 12:14:41 s 1 -188607.51 7 +295748.12 9180.0 – C57
2018-09-15 12:44:41 S 00 33 40.351 -61 38 30.30 – V C57
2018-09-15 12:44:41 s 1 -189274.98 7 +294607.90 760.0 – C57
2018-09-15 13:14:41 S 00 33 33.965 -61 38 01.32 – V C57
2018-09-15 13:14:41 s 1 -189937.03 4 +293459.24 4240.0 – C57
2018-09-15 13:44:41 S 00 33 27.286 -61 37 27.52 – V C57
2018-09-15 13:44:41 s 1 -190593.61 5 +292302.13 9390.0 – C57
2018-09-15 14:14:41 S 00 33 21.084 -61 36 58.00 – V C57
2018-09-15 14:14:41 s 1 -191244.69 0 +291136.58 5960.0 – C57
2018-09-15 14:44:41 S 00 33 14.400 -61 36 27.25 – V C57
2018-09-15 14:44:41 s 1 -191890.21 5 +289962.58 3710.0 – C57
2018-09-15 15:14:41 S 00 33 07.781 -61 35 51.72 – V C57
2018-09-15 15:14:41 s 1 -192530.14 8 +288780.13 2410.0 – C57
2018-09-15 15:44:41 S 00 33 01.906 -61 35 24.18 – V C57