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
2018-09-17 12:44:41 s 1 -220135.49 1 +145523.87 0.659 – C57
2018-09-17 13:14:41 S 00 23 48.110 -60 46 35.15 – V C57
2018-09-17 13:14:41 s 1 -219997.59 8 +143559.14 0.34 – C57
2018-09-17 13:44:41 S 00 23 42.317 -60 46 01.63 – V C57
2018-09-17 13:44:41 s 1 -219847.07 2 +141586.17 0.069 – C57
2018-09-17 14:14:41 S 00 23 37.030 -60 45 27.50 – V C57
2018-09-17 14:14:41 s 1 -219683.78 2 +139605.00 0.768 – C57
2018-09-17 14:44:41 S 00 23 30.967 -60 44 55.90 – V C57
2018-09-17 14:44:41 s 1 -219507.59 3 +137615.63 0.358 – C57
2018-09-17 15:44:41 S 00 23 19.704 -60 43 52.64 – V C57
2018-09-17 15:44:41 s 1 -219115.97 4 +133612.46 0.884 – C57
2018-09-17 18:14:41 S 00 22 51.240 -60 41 10.72 – V C57
2018-09-17 18:14:41 s 1 -217901.41 7 +123463.21 0.446 – C57
2018-09-17 18:44:41 S 00 22 45.434 -60 40 34.50 – V C57
2018-09-17 18:44:41 s 1 -217616.96 1 +121409.39 0.127 – C57
2018-09-17 19:14:41 S 00 22 39.876 -60 40 04.87 – V C57
2018-09-17 19:14:41 s 1 -217318.30 4 +119347.67 0.919 – C57
2018-09-17 19:44:41 S 00 22 34.490 -60 39 32.44 – V C57
2018-09-17 19:44:41 s 1 -217005.28 9 +117278.07 0.728 – C57
2018-09-17 20:14:41 S 00 22 29.208 -60 38 59.53 – V C57
2018-09-17 20:14:41 s 1 -216677.75 8 +115200.64 0.456 – C57
2018-09-17 21:14:41 S 00 22 17.306 -60 37 54.37 – V C57
2018-09-17 21:14:41 s 1 -215976.02 7 +111021.80 0.943 – C57
2018-09-17 21:44:41 S 00 22 11.911 -60 37 24.02 – V C57
2018-09-17 21:44:41 s 1 -215603.95 6 +108921.13 0.831 – C57
2018-09-17 22:14:41 S 00 22 06.043 -60 36 48.67 – V C57
2018-09-17 22:14:41 s 1 -215216.70 7 +106812.81 0.238 – C57
2018-09-17 22:44:41 S 00 22 00.550 -60 36 15.34 – V C57
2018-09-17 22:44:41 s 1 -214814.11 0 +104696.89 0.06 – C57
2018-09-17 23:14:41 S 00 21 55.058 -60 35 45.82 – V C57
2018-09-17 23:14:41 s 1 -214395.98 9 +102573.43 0.19 – C57
2018-09-17 23:44:41 S 00 21 49.154 -60 35 11.72 – V C57
2018-09-17 23:44:41 s 1 -213962.16 8 +100442.47 0.519 – C57
2018-09-18 00:14:41 S 00 21 43.858 -60 34 40.76 – V C57
2018-09-18 00:14:41 s 1 -213512.46 7 +98304.079 0.937 – C57
2018-09-18 00:44:41 S 00 21 38.669 -60 34 05.63 – V C57
2018-09-18 00:44:41 s 1 -213046.70 2 +96158.308 0.331 – C57
2018-09-18 01:14:41 S 00 21 32.642 -60 33 36.14 – V C57
2018-09-18 01:14:41 s 1 -212564.68 7 +94005.222 0.587 – C57
2018-09-18 01:44:41 S 00 21 26.902 -60 33 03.78 – V C57
2018-09-18 01:44:41 s 1 -212066.23 3 +91844.888 0.588 – C57
2018-09-18 02:14:41 S 00 21 21.058 -60 32 30.30 – V C57
2018-09-18 02:14:41 s 1 -211551.14 9 +89677.371 0.215 – C57
2018-09-18 02:44:41 S 00 21 15.682 -60 31 57.83 – V C57
2018-09-18 02:44:41 s 1 -211019.23 9 +87502.743 0.346 – C57
2018-09-18 03:14:41 S 00 21 10.229 -60 31 23.45 – V C57
2018-09-18 03:14:41 s 1 -210470.30 4 +85321.078 0.86 – C57
2018-09-18 03:44:41 S 00 21 04.318 -60 30 51.16 – V C57
2018-09-18 03:44:41 s 1 -209904.14 4 +83132.451 0.629 – C57
2018-09-18 04:14:41 S 00 20 59.294 -60 30 20.70 – V C57