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
2021-11-04 13:33:57 s 1 -163664.12 0 +177792.31 9840.0 – C57
2021-11-04 14:53:57 S 04 25 26.640 +29 02 36.64 – V C57
2021-11-04 14:53:57 s 1 -164324.78 0 +171955.53 340.0 – C57
2021-11-04 15:03:57 S 04 25 25.769 +29 02 43.58 – V C57
2021-11-04 15:03:57 s 1 -164400.24 5 +171218.43 410.0 – C57
2021-11-04 15:13:57 S 04 25 24.902 +29 02 48.66 – V C57
2021-11-04 15:13:57 s 1 -164474.09 7 +170479.67 4520.0 – C57
2021-11-04 15:23:57 S 04 25 24.300 +29 03 06.77 – V C57
2021-11-04 15:23:57 s 1 -164546.32 6 +169739.23 2650.0 – C57
2021-11-04 15:33:57 S 04 25 22.802 +29 03 07.92 – V C57
2021-11-04 15:33:57 s 1 -164616.92 1 +168997.11 4760.0 – C57
2021-11-04 15:43:57 S 04 25 22.238 +29 03 18.76 – V C57
2021-11-04 15:43:57 s 1 -164685.87 4 +168253.31 810.0 – C57
2021-11-04 15:53:57 S 04 25 20.971 +29 03 30.53 – V C57
2021-11-04 15:53:57 s 1 -164753.17 3 +167507.83 770.0 – C57
2021-11-04 16:03:57 S 04 25 20.227 +29 03 39.02 – V C57
2021-11-04 16:03:57 s 1 -164818.80 9 +166760.66 4600.0 – C57
2021-11-04 16:13:57 S 04 25 19.373 +29 03 46.94 – V C57
2021-11-04 16:13:57 s 1 -164882.77 2 +166011.81 2270.0 – C57
2021-11-04 16:33:57 S 04 25 17.810 +29 03 56.63 – V C57
2021-11-04 16:33:57 s 1 -165005.63 6 +164509.04 8950.0 – C57
2021-11-04 16:53:57 S 04 25 15.185 +29 04 20.78 – V C57
2021-11-04 16:53:57 s 1 -165121.68 1 +162999.50 510.0 – C57
2021-11-04 17:03:57 S 04 25 14.515 +29 04 26.00 – V C57
2021-11-04 17:03:57 s 1 -165177.12 0 +162242.18 6780.0 – C57
2021-11-04 17:13:57 S 04 25 13.538 +29 04 38.57 – V C57
2021-11-04 17:13:57 s 1 -165230.82 2 +161483.17 6650.0 – C57
2021-11-04 17:23:57 S 04 25 12.694 +29 04 46.45 – V C57
2021-11-04 17:23:57 s 1 -165282.77 7 +160722.45 90.0 – C57
2021-11-04 17:33:57 S 04 25 11.479 +29 04 53.87 – V C57
2021-11-04 17:33:57 s 1 -165332.97 4 +159960.03 7050.0 – C57
2021-11-04 17:43:57 S 04 25 10.694 +29 04 59.63 – V C57
2021-11-04 17:43:57 s 1 -165381.40 1 +159195.91 7500.0 – C57
2021-11-04 17:53:57 S 04 25 10.298 +29 05 10.82 – V C57
2021-11-04 17:53:57 s 1 -165428.04 8 +158430.07 1400.0 – C57
2021-11-04 18:03:57 S 04 25 09.283 +29 05 21.48 – V C57
2021-11-04 18:03:57 s 1 -165472.90 3 +157662.53 8710.0 – C57
2021-11-04 18:13:57 S 04 25 08.285 +29 05 30.26 – V C57
2021-11-04 18:13:57 s 1 -165515.95 6 +156893.28 9370.0 – C57
2021-11-04 18:23:57 S 04 25 07.157 +29 05 33.14 – V C57
2021-11-04 18:23:57 s 1 -165557.19 3 +156122.31 3370.0 – C57
2021-11-04 18:33:57 S 04 25 06.055 +29 05 45.53 – V C57
2021-11-04 18:33:57 s 1 -165596.60 5 +155349.62 640.0 – C57
2021-11-04 18:43:57 S 04 25 05.256 +29 05 55.14 – V C57
2021-11-04 18:43:57 s 1 -165634.18 0 +154575.22 1160.0 – C57
2021-11-04 19:33:57 S 04 25 00.415 +29 06 38.48 – V C57
2021-11-04 19:33:57 s 1 -165794.07 5 +150677.36 840.0 – C57
2021-11-04 19:53:57 S 04 24 58.476 +29 06 52.13 – V C57
2021-11-04 19:53:57 s 1 -165844.75 3 +149106.13 1880.0 – C57
2021-11-04 20:03:57 S 04 24 57.569 +29 07 05.70 – V C57