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
2018-08-19 12:14:41 S 03 09 56.885 -62 36 18.54 – V C57
2018-08-19 12:14:41 s 1 -223180.53 2 +188937.31 6570.0 – C57
2018-08-19 12:44:41 S 03 09 52.114 -62 36 31.21 – V C57
2018-08-19 12:44:41 s 1 -223246.09 8 +187191.23 1390.0 – C57
2018-08-19 13:14:41 S 03 09 46.949 -62 36 44.78 – V C57
2018-08-19 13:14:41 s 1 -223301.80 5 +185436.95 0.142 – C57
2018-08-19 13:44:41 S 03 09 41.990 -62 36 58.14 – V C57
2018-08-19 13:44:41 s 1 -223347.56 2 +183674.46 0.613 – C57
2018-08-19 14:14:41 S 03 09 37.193 -62 37 13.51 – V C57
2018-08-19 14:14:41 s 1 -223383.27 8 +181903.76 0.495 – C57
2018-08-19 14:44:41 S 03 09 32.102 -62 37 28.09 – V C57
2018-08-19 14:44:41 s 1 -223408.85 9 +180124.87 0.734 – C57
2018-08-19 15:14:41 S 03 09 27.298 -62 37 40.66 – V C57
2018-08-19 15:14:41 s 1 -223424.21 1 +178337.79 0.271 – C57
2018-08-19 15:44:41 S 03 09 22.327 -62 37 54.19 – V C57
2018-08-19 15:44:41 s 1 -223429.23 7 +176542.52 0.05 – C57
2018-08-19 16:14:41 S 03 09 17.143 -62 38 09.20 – V C57
2018-08-19 16:14:41 s 1 -223423.84 0 +174739.06 0.011 – C57
2018-08-19 16:44:41 S 03 09 12.506 -62 38 23.10 – V C57
2018-08-19 16:44:41 s 1 -223407.92 2 +172927.44 0.095 – C57
2018-08-19 17:14:41 S 03 09 07.373 -62 38 36.67 – V C57
2018-08-19 17:14:41 s 1 -223381.38 3 +171107.65 0.241 – C57
2018-08-19 17:44:41 S 03 09 02.203 -62 38 49.27 – V C57
2018-08-19 17:44:41 s 1 -223344.12 0 +169279.70 0.388 – C57
2018-08-19 18:14:41 S 03 08 57.439 -62 39 04.18 – V C57
2018-08-19 18:14:41 s 1 -223296.03 2 +167443.60 0.474 – C57
2018-08-19 18:44:41 S 03 08 52.442 -62 39 17.10 – V C57
2018-08-19 18:44:41 s 1 -223237.01 4 +165599.37 0.435 – C57
2018-08-19 19:14:41 S 03 08 47.642 -62 39 30.92 – V C57
2018-08-19 19:14:41 s 1 -223166.96 0 +163747.00 0.207 – C57
2018-08-19 19:44:41 S 03 08 42.535 -62 39 44.03 – V C57
2018-08-19 19:44:41 s 1 -223085.76 2 +161886.51 0.725 – C57
2018-08-19 20:14:41 S 03 08 37.433 -62 39 58.93 – V C57
2018-08-19 20:14:41 s 1 -222993.31 2 +160017.91 0.922 – C57
2018-08-19 20:44:41 S 03 08 32.618 -62 40 12.14 – V C57
2018-08-19 20:44:41 s 1 -222889.49 9 +158141.21 0.731 – C57
2018-08-19 21:14:41 S 03 08 27.610 -62 40 26.40 – V C57
2018-08-19 21:14:41 s 1 -222774.21 1 +156256.43 0.084 – C57
2018-08-19 21:44:41 S 03 08 23.136 -62 40 40.01 – V C57
2018-08-19 21:44:41 s 1 -222647.33 4 +154363.58 0.911 – C57
2018-08-19 22:14:41 S 03 08 17.923 -62 40 51.71 – V C57
2018-08-19 22:14:41 s 1 -222508.75 3 +152462.67 0.141 – C57
2018-08-19 22:44:41 S 03 08 13.001 -62 41 07.04 – V C57
2018-08-19 22:44:41 s 1 -222358.34 9 +150553.71 0.702 – C57
2018-08-19 23:14:41 S 03 08 07.697 -62 41 20.18 – V C57
2018-08-19 23:14:41 s 1 -222196.00 5 +148636.72 0.522 – C57
2018-08-19 23:44:41 S 03 08 02.990 -62 41 32.75 – V C57
2018-08-19 23:44:41 s 1 -222021.60 0 +146711.73 0.526 – C57
2018-08-20 00:14:41 S 03 07 57.946 -62 41 48.05 – V C57
2018-08-20 00:14:41 s 1 -221835.01 0 +144778.73 0.639 – C57