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
2018-08-30 23:44:41 s 1 -158302.59 6 +342320.44 4960.0 – C57
2018-08-31 00:14:41 S 02 08 35.868 -64 24 17.50 – V C57
2018-08-31 00:14:41 s 1 -159180.58 7 +341617.49 6560.0 – C57
2018-08-31 00:44:41 S 02 08 28.471 -64 24 16.20 – V C57
2018-08-31 00:44:41 s 1 -160054.89 2 +340906.31 9970.0 – C57
2018-08-31 01:14:41 S 02 08 20.803 -64 24 14.44 – V C57
2018-08-31 01:14:41 s 1 -160925.48 3 +340186.93 4990.0 – C57
2018-08-31 01:44:41 S 02 08 12.898 -64 24 13.82 – V C57
2018-08-31 01:44:41 s 1 -161792.33 2 +339459.33 1490.0 – C57
2018-08-31 02:44:41 S 02 07 58.162 -64 24 10.44 – V C57
2018-08-31 02:44:41 s 1 -163514.69 2 +337979.50 8210.0 – C57
2018-08-31 03:44:41 S 02 07 43.102 -64 24 08.03 – V C57
2018-08-31 03:44:41 s 1 -165221.74 6 +336466.85 8820.0 – C57
2018-08-31 04:14:41 S 02 07 35.275 -64 24 07.56 – V C57
2018-08-31 04:14:41 s 1 -166069.46 2 +335698.23 160.0 – C57
2018-08-31 04:44:41 S 02 07 28.128 -64 24 04.79 – V C57
2018-08-31 04:44:41 s 1 -166913.26 6 +334921.40 1970.0 – C57
2018-08-31 05:14:41 S 02 07 20.369 -64 24 02.84 – V C57
2018-08-31 05:14:41 s 1 -167753.12 8 +334136.38 4080.0 – C57
2018-08-31 05:44:41 S 02 07 12.965 -64 24 03.24 – V C57
2018-08-31 05:44:41 s 1 -168589.02 0 +333343.17 6330.0 – C57
2018-08-31 06:14:41 S 02 07 05.347 -64 24 00.14 – V C57
2018-08-31 06:14:41 s 1 -169420.91 2 +332541.76 8530.0 – C57
2018-08-31 06:44:41 S 02 06 57.847 -64 23 58.60 – V C57
2018-08-31 06:44:41 s 1 -170248.77 5 +331732.17 530.0 – C57
2018-08-31 07:14:41 S 02 06 50.011 -64 23 56.72 – V C57
2018-08-31 07:14:41 s 1 -171072.57 9 +330914.39 2140.0 – C57
2018-08-31 07:44:41 S 02 06 42.619 -64 23 56.18 – V C57
2018-08-31 07:44:41 s 1 -171892.29 4 +330088.42 3200.0 – C57
2018-08-31 08:14:41 S 02 06 35.110 -64 23 53.92 – V C57
2018-08-31 08:14:41 s 1 -172707.89 1 +329254.26 3530.0 – C57
2018-08-31 08:44:41 S 02 06 27.454 -64 23 52.51 – V C57
2018-08-31 08:44:41 s 1 -173519.33 8 +328411.93 2970.0 – C57
2018-08-31 09:14:41 S 02 06 20.006 -64 23 50.75 – V C57
2018-08-31 09:14:41 s 1 -174326.60 6 +327561.41 1320.0 – C57
2018-08-31 09:44:41 S 02 06 12.593 -64 23 48.23 – V C57
2018-08-31 09:44:41 s 1 -175129.66 3 +326702.71 8420.0 – C57
2018-08-31 10:14:41 S 02 06 04.846 -64 23 46.86 – V C57
2018-08-31 10:14:41 s 1 -175928.48 0 +325835.84 4090.0 – C57
2018-08-31 10:44:41 S 02 05 57.588 -64 23 45.31 – V C57
2018-08-31 10:44:41 s 1 -176723.02 5 +324960.79 8150.0 – C57
2018-08-31 11:14:41 S 02 05 49.846 -64 23 42.86 – V C57
2018-08-31 11:14:41 s 1 -177513.26 6 +324077.56 420.0 – C57
2018-08-31 11:44:41 S 02 05 42.787 -64 23 40.60 – V C57
2018-08-31 11:44:41 s 1 -178299.17 3 +323186.16 730.0 – C57
2018-08-31 12:14:41 S 02 05 34.742 -64 23 39.12 – V C57
2018-08-31 12:14:41 s 1 -179080.71 4 +322286.58 8880.0 – C57
2018-08-31 12:44:41 S 02 05 27.382 -64 23 36.71 – V C57
2018-08-31 12:44:41 s 1 -179857.85 7 +321378.83 4700.0 – C57
2018-08-31 13:14:41 S 02 05 19.927 -64 23 35.12 – V C57