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 04:14:41 s 1 -209320.55 2 +80936.944 0.527 – C57
2018-09-18 04:44:41 S 00 20 53.561 -60 29 48.44 – V C57
2018-09-18 04:44:41 s 1 -208719.32 1 +78734.639 0.422 – C57
2018-09-18 05:14:41 S 00 20 48.425 -60 29 17.27 – V C57
2018-09-18 05:14:41 s 1 -208100.23 9 +76525.623 0.182 – C57
2018-09-18 05:44:41 S 00 20 42.792 -60 28 45.05 – V C57
2018-09-18 05:44:41 s 1 -207463.09 1 +74309.988 0.671 – C57
2018-09-18 06:44:41 S 00 20 31.716 -60 27 44.06 – V C57
2018-09-18 06:44:41 s 1 -206133.71 7 +69859.240 0.283 – C57
2018-09-18 07:14:41 S 00 20 25.963 -60 27 05.94 – V C57
2018-09-18 07:14:41 s 1 -205441.04 2 +67624.329 0.122 – C57
2018-09-18 07:44:41 S 00 20 20.369 -60 26 33.54 – V C57
2018-09-18 07:44:41 s 1 -204729.40 4 +65383.202 0.122 – C57
2018-09-18 08:14:41 S 00 20 15.053 -60 26 04.42 – V C57
2018-09-18 08:14:41 s 1 -203998.56 9 +63135.969 0.135 – C57
2018-09-18 08:44:41 S 00 20 09.348 -60 25 28.49 – V C57
2018-09-18 08:44:41 s 1 -203248.29 9 +60882.748 0.008 – C57
2018-09-18 09:14:41 S 00 20 04.126 -60 25 01.38 – V C57
2018-09-18 09:14:41 s 1 -202478.35 4 +58623.660 0.587 – C57
2018-09-18 09:44:41 S 00 19 58.651 -60 24 26.96 – V C57
2018-09-18 09:44:41 s 1 -201688.48 7 +56358.831 0.715 – C57
2018-09-18 10:14:41 S 00 19 53.311 -60 23 55.54 – V C57
2018-09-18 10:14:41 s 1 -200878.45 0 +54088.394 0.229 – C57
2018-09-18 10:44:41 S 00 19 47.971 -60 23 21.98 – V C57
2018-09-18 10:44:41 s 1 -200047.98 8 +51812.485 0.967 – C57
2018-09-18 11:14:41 S 00 19 42.218 -60 22 51.46 – V C57
2018-09-18 11:14:41 s 1 -199196.84 5 +49531.248 0.762 – C57
2018-09-18 11:44:41 S 00 19 36.828 -60 22 19.06 – V C57
2018-09-18 11:44:41 s 1 -198324.75 9 +47244.831 0.442 – C57
2018-09-18 12:14:41 S 00 19 31.296 -60 21 46.37 – V C57
2018-09-18 12:14:41 s 1 -197431.46 3 +44953.392 0.833 – C57
2018-09-18 12:44:41 S 00 19 26.234 -60 21 14.58 – V C57
2018-09-18 12:44:41 s 1 -196516.68 7 +42657.091 0.76 – C57
2018-09-18 13:14:41 S 00 19 20.525 -60 20 42.07 – V C57
2018-09-18 13:14:41 s 1 -195580.15 6 +40356.098 0.04 – C57
2018-09-18 13:44:41 S 00 19 15.238 -60 20 10.64 – V C57
2018-09-18 13:44:41 s 1 -194621.59 2 +38050.589 0.49 – C57
2018-09-18 14:14:41 S 00 19 09.703 -60 19 37.81 – V C57
2018-09-18 14:14:41 s 1 -193640.70 9 +35740.747 0.921 – C57
2018-09-18 14:44:41 S 00 19 03.876 -60 19 06.53 – V C57
2018-09-18 14:44:41 s 1 -192637.22 1 +33426.764 0.143 – C57
2018-09-18 15:14:41 S 00 18 58.380 -60 18 35.50 – V C57
2018-09-18 15:14:41 s 1 -191610.83 4 +31108.839 0.959 – C57
2018-09-18 15:44:41 S 00 18 53.491 -60 18 01.87 – V C57
2018-09-18 15:44:41 s 1 -190561.25 1 +28787.180 0.17 – C57
2018-09-18 16:14:41 S 00 18 48.269 -60 17 32.93 – V C57
2018-09-18 16:14:41 s 1 -189488.17 0 +26462.003 0.573 – C57
2018-09-18 16:44:41 S 00 18 43.166 -60 17 03.48 – V C57
2018-09-18 16:44:41 s 1 -188391.28 4 +24133.534 0.96 – C57
2018-09-18 17:14:41 S 00 18 37.531 -60 16 30.79 – V C57