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
2018-09-18 17:14:41 s 1 -187270.28 3 +21802.009 0.122 – C57
2018-09-18 17:44:41 S 00 18 32.194 -60 15 59.00 – V C57
2018-09-18 17:44:41 s 1 -186124.84 9 +19467.673 0.84 – C57
2018-09-18 18:14:41 S 00 18 27.185 -60 15 26.17 – V C57
2018-09-18 18:14:41 s 1 -184954.66 3 +17130.781 0.898 – C57
2018-09-18 20:44:41 S 00 17 59.921 -60 12 51.01 – V C57
2018-09-18 20:44:41 s 1 -178720.88 8 + 5417.725 0.262 – C57
2018-09-18 21:14:41 S 00 17 54.658 -60 12 21.02 – V C57
2018-09-18 21:14:41 s 1 -177395.18 8 + 3071.511 4900.0 – C57
2018-09-18 23:44:41 S 00 17 28.010 -60 09 43.13 – V C57
2018-09-18 23:44:41 s 1 -170352.53 5 - 8658.705 5910.0 – C57
2018-09-19 00:14:41 S 00 17 22.918 -60 09 14.33 – V C57
2018-09-19 00:14:41 s 1 -168858.61 1 -11001.859 9460.0 – C57
2018-09-19 00:44:41 S 00 17 17.518 -60 08 42.22 – V C57
2018-09-19 00:44:41 s 1 -167335.34 9 -13343.064 3720.0 – C57
2018-09-19 01:14:41 S 00 17 11.580 -60 08 08.63 – V C57
2018-09-19 01:14:41 s 1 -165782.36 6 -15681.864 5830.0 – C57
2018-09-19 01:44:41 S 00 17 06.718 -60 07 39.22 – V C57
2018-09-19 01:44:41 s 1 -164199.27 9 -18017.778 2900.0 – C57
2018-09-19 02:14:41 S 00 17 01.750 -60 07 05.34 – V C57
2018-09-19 02:14:41 s 1 -162585.69 9 -20350.310 1990.0 – C57
2018-09-19 02:44:41 S 00 16 55.812 -60 06 36.97 – V C57
2018-09-19 02:44:41 s 1 -160941.23 4 -22678.939 100.0 – C57
2018-09-19 03:14:41 S 00 16 50.971 -60 06 09.07 – V C57
2018-09-19 03:14:41 s 1 -159265.49 0 -25003.123 4210.0 – C57
2018-09-19 03:44:41 S 00 16 45.746 -60 05 37.10 – V C57
2018-09-19 03:44:41 s 1 -157558.07 3 -27322.298 1210.0 – C57
2018-09-19 04:14:41 S 00 16 40.826 -60 05 06.43 – V C57
2018-09-19 04:14:41 s 1 -155818.58 3 -29635.875 7990.0 – C57
2018-09-19 04:44:41 S 00 16 35.662 -60 04 36.37 – V C57
2018-09-19 04:44:41 s 1 -154046.62 3 -31943.239 1360.0 – C57
2018-09-19 05:14:41 S 00 16 29.794 -60 04 05.63 – V C57
2018-09-19 05:14:41 s 1 -152241.79 3 -34243.749 8100.0 – C57
2018-09-19 05:44:41 S 00 16 24.782 -60 03 36.68 – V C57
2018-09-19 05:44:41 s 1 -150403.69 2 -36536.740 4950.0 – C57
2018-09-19 06:44:41 S 00 16 14.074 -60 02 38.33 – V C57
2018-09-19 06:44:41 s 1 -146626.08 3 -41097.350 5750.0 – C57
2018-09-19 07:14:41 S 00 16 08.602 -60 02 04.13 – V C57
2018-09-19 07:14:41 s 1 -144685.77 9 -43363.488 2970.0 – C57
2018-09-19 07:44:41 S 00 16 03.444 -60 01 36.23 – V C57
2018-09-19 07:44:41 s 1 -142710.61 5 -45619.143 6870.0 – C57
2018-09-19 08:14:41 S 00 15 57.943 -60 01 07.00 – V C57
2018-09-19 08:14:41 s 1 -140700.20 1 -47863.493 4020.0 – C57
2018-09-19 08:44:41 S 00 15 53.095 -60 00 39.89 – V C57
2018-09-19 08:44:41 s 1 -138654.15 0 -50095.686 930.0 – C57
2018-09-19 09:14:41 S 00 15 47.969 -60 00 08.57 – V C57
2018-09-19 09:14:41 s 1 -136572.08 2 -52314.831 4140.0 – C57
2018-09-19 09:44:41 S 00 15 42.288 -59 59 36.38 – V C57
2018-09-19 09:44:41 s 1 -134453.62 2 -54520.002 120.0 – C57
2018-09-19 10:14:41 S 00 15 37.106 -59 59 06.14 – V C57