IAA RAS IAA Minor Planet Database

2018 WM2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3460373227 ± 1.75e-04
Semi-major axis (a)1.0805496044 AU ± 9.70e-05
Inclination (i)2.54979970° ± 1.55e-03
Long. of Asc. Node (Ω)247.84201180° ± 5.96e-04
Arg. of Perihelion (ω)289.65939617° ± 3.68e-03
Mean Anomaly (M)4.71021047° ± 2.91e-01
Mean Motion (n)0.8774961368°/day ± 1.18e-04
Perihelion dist (q)0.70663911 AU ± 1.99e-04
Aphelion dist (Q)1.45446010 AU ± 2.30e-04
Orbital Period1.12322578 yr ± 1.51e-04
Physical Parameters
H (abs. magnitude)24.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.243″
Uncertainty3
Orbit TypeApollo
MOID0.010468 AU
Observations Used49
Oppositions1
Arc Total2018-2018
First Observation Used2018-11-17
Last Observation Used2018-12-14
Observations (51)
Date Type RA Dec Mag Band Observatory
2018-11-17 08:29:36 C 04 24 52.65 +25 02 24.4 – V G96
2018-11-29 05:43:42 C 03 38 10.09 +20 30 07.7 – V G96
2018-11-29 05:51:41 C 03 38 07.91 +20 29 54.7 – V G96
2018-11-29 05:59:40 C 03 38 05.72 +20 29 41.2 – V G96
2018-11-29 06:07:39 C 03 38 03.51 +20 29 28.1 – V G96
2018-11-29 09:36:00 C 03 37 06.66 +20 23 27.4 – V I52
2018-11-29 09:37:07 C 03 37 06.45 +20 23 26.2 – V I52
2018-11-29 09:38:13 C 03 37 06.13 +20 23 23.9 – V I52
2018-11-29 09:39:18 C 03 37 05.75 +20 23 21.6 – V I52
2018-11-30 05:14:20 C 03 32 02.01 +19 48 28.7 – V I52
2018-11-30 05:15:41 C 03 32 01.74 +19 48 27.0 – V I52
2018-11-30 05:17:01 C 03 32 01.26 +19 48 23.8 – V I52
2018-11-30 05:18:23 C 03 32 00.85 +19 48 21.3 – V I52
2018-12-01 22:39:10 C 03 19 57.71 +18 22 43.2 – S 033
2018-12-01 22:42:09 C 03 19 56.72 +18 22 36.2 – S 033
2018-12-01 22:45:32 C 03 19 55.61 +18 22 28.5 – S 033
2018-12-01 22:48:31 C 03 19 54.64 +18 22 21.6 – S 033
2018-12-04 04:47:01 C 03 01 36.71 +16 03 40.3 – V G96
2018-12-04 04:55:10 C 03 01 33.48 +16 03 16.9 – V G96
2018-12-04 05:01:06 C 03 01 31.09 +16 02 59.2 – V I52
2018-12-04 05:01:57 C 03 01 30.75 +16 02 57.0 – V I52
2018-12-04 05:02:48 C 03 01 30.43 +16 02 54.3 – V I52
2018-12-04 05:03:16 C 03 01 30.25 +16 02 52.8 – V G96
2018-12-04 05:03:39 C 03 01 30.08 +16 02 51.7 – V I52
2018-12-04 05:11:22 C 03 01 27.04 +16 02 29.3 – V G96
2018-12-05 04:57:01 C 02 52 17.76 +14 49 03.7 – V I52
2018-12-05 05:01:49 C 02 52 15.62 +14 48 48.6 – V I52
2018-12-05 05:06:37 C 02 52 13.57 +14 48 32.6 – V I52
2018-12-05 05:11:24 C 02 52 11.50 +14 48 17.3 – V I52
2018-12-08 22:41:35 C 02 10 45.00 +08 48 07.6 – V 204
2018-12-08 23:11:43 C 02 10 28.40 +08 45 40.4 – V 204
2018-12-09 02:14:18 C 02 08 59.51 +08 31 17.7 – V I52
2018-12-09 02:14:54 C 02 08 59.17 +08 31 14.3 – V I52
2018-12-09 02:15:30 C 02 08 58.83 +08 31 11.2 – V I52
2018-12-09 02:16:06 C 02 08 58.49 +08 31 08.6 – V I52
2018-12-10 02:10:42 C 01 55 46.29 +06 28 15.5 – V I52
2018-12-10 02:14:55 C 01 55 43.76 +06 27 53.2 – V I52
2018-12-13 01:43:58 C 01 10 53.09 -00 40 17.2 – u 807
2018-12-13 01:53:55 C 01 10 45.98 -00 41 22.8 – u 807
2018-12-13 02:04:03 C 01 10 38.71 -00 42 29.6 – u 807
2018-12-13 02:14:11 C 01 10 31.50 -00 43 36.5 – u 807
2018-12-13 02:26:07 C 01 10 28.90 -00 47 31.8 – V I52
2018-12-13 02:28:52 C 01 10 26.91 -00 47 50.7 – V I52
2018-12-13 02:31:57 C 01 10 24.72 -00 48 11.1 – V I52
2018-12-13 02:33:21 C 01 10 23.70 -00 48 20.6 – V I52
2018-12-13 04:49:19 C 01 08 52.893 -01 02 51.65 – V T12
2018-12-13 04:50:06 C 01 08 52.323 -01 02 56.81 – V T12
2018-12-13 04:51:03 C 01 08 51.635 -01 03 03.17 – V T12
2018-12-14 03:36:44 C 00 52 53.88 -03 37 35.2 – V I52
2018-12-14 03:41:51 C 00 52 50.02 -03 38 11.0 – V I52