2003 WC158

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6278740873 ± 2.12e-08
Semi-major axis (a)2.6382899257 AU ± 1.92e-08
Inclination (i)9.02082528° ± 9.57e-06
Long. of Asc. Node (Ω)251.03633978° ± 8.73e-06
Arg. of Perihelion (ω)144.52811922° ± 2.73e-05
Mean Anomaly (M)52.36713495° ± 2.28e-05
Mean Motion (n)0.2300003503°/day ± 2.51e-09
Perihelion dist (q)0.98177605 AU ± 5.64e-08
Aphelion dist (Q)4.29480380 AU ± 6.41e-08
Orbital Period4.28532514 yr ± 4.68e-08
Physical Parameters
H (abs. magnitude)20.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.387″
Uncertainty0
Orbit TypeApollo
MOID0.041226 AU
Observations Used117
Oppositions10
Arc Total2003-2016
First Observation Used2003-08-22
Last Observation Used2016-06-03
Observations (126)
Date Type RA Dec Mag Band Observatory
2003-12-09 04:19:22 C 00 56 17.12 +09 23 33.4 c 926
2003-12-09 04:20:07 C 00 56 17.63 +09 23 32.9 c 926
2003-12-09 04:42:22 C 00 56 32.60 +09 23 27.0 o 699
2003-12-09 05:10:58 C 00 56 51.82 +09 23 26.7 o 699
2003-12-09 05:39:41 C 00 57 10.79 +09 23 23.0 o 699
2003-12-09 16:42:14 C 01 04 45.12 +09 22 10.5 o 084
2003-12-09 18:31:12 C 01 05 58.67 +09 22 08.9 r A17
2003-12-09 18:44:31 C 01 06 07.44 +09 22 07.5 r A17
2003-12-09 18:53:13 C 01 06 13.20 +09 22 05.0 r A17
2003-12-12 22:28:14 C 01 54 39.21 +09 04 58.6 r 176
2003-12-12 22:29:45 C 01 54 40.10 +09 04 58.2 r 176
2003-12-12 22:30:55 C 01 54 40.78 +09 04 57.8 r 176
2003-12-12 22:32:14 C 01 54 41.55 +09 04 57.4 r 176
2003-12-12 22:34:05 C 01 54 42.63 +09 04 56.9 r 176
2003-12-14 00:00:57 C 02 09 34.29 +08 55 45.1 r J95
2003-12-14 00:05:55 C 02 09 37.05 +08 55 43.0 r J95
2003-12-14 00:11:20 C 02 09 40.15 +08 55 41.4 r J95
2003-12-14 04:24:36 C 02 12 04.85 +08 54 26.8 17.0 c 704
2003-12-14 04:41:30 C 02 12 14.07 +08 54 19.9 17.1 c 704
2003-12-14 04:58:09 C 02 12 23.11 +08 54 13.4 17.6 c 704
2003-12-14 05:15:34 C 02 12 32.69 +08 54 06.5 17.6 c 704
2003-12-14 05:32:20 C 02 12 41.77 +08 54 00.0 17.4 c 704
2003-12-15 13:51:36 C 02 30 06.179 +08 42 19.33 r 413
2003-12-15 13:53:31 C 02 30 07.132 +08 42 18.49 r 413
2003-12-15 20:25:56 C 02 33 31.59 +08 38 13.4 r J95
2003-12-15 20:37:52 C 02 33 37.50 +08 38 08.5 r J95
2003-12-15 20:49:47 C 02 33 43.39 +08 38 03.8 r J95
2003-12-16 12:00:24 C 02 41 15.94 +08 33 15.0 r E14
2003-12-16 12:56:42 C 02 41 42.63 +08 32 51.2 r E14
2003-12-16 13:47:10 C 02 42 06.57 +08 32 29.6 r E14
2003-12-17 20:36:41 C 02 56 30.21 +08 18 22.7 r A17
2003-12-17 21:06:48 C 02 56 43.74 +08 18 08.8 r J95
2003-12-17 21:15:03 C 02 56 47.32 +08 18 05.5 r J95
2003-12-17 21:23:13 C 02 56 50.88 +08 18 02.3 r J95
2003-12-17 21:27:44 C 02 56 52.29 +08 18 01.9 r A17
2003-12-20 03:14:49 C 03 19 05.20 +07 57 13.4 d 703
2003-12-20 03:27:57 C 03 19 10.06 +07 57 08.2 d 703
2003-12-20 03:41:03 C 03 19 14.72 +07 57 04.4 d 703
2003-12-20 03:54:11 C 03 19 19.71 +07 57 00.3 d 703
2003-12-20 07:20:38 C 03 20 34.99 +07 55 40.4 r H06
2003-12-20 07:37:33 C 03 20 41.23 +07 55 33.9 r H06
2003-12-20 07:54:27 C 03 20 47.43 +07 55 27.3 r H06
2003-12-22 21:02:39 C 03 41 54.73 +07 34 52.2 r A17
2003-12-22 21:49:07 C 03 42 09.00 +07 34 37.0 r A17
2003-12-23 18:19:54 C 03 48 27.20 +07 28 47.0 r 151
2003-12-23 18:22:33 C 03 48 27.91 +07 28 46.2 r 151
2003-12-23 18:22:59 C 03 48 28.01 +07 28 46.1 r 151
2003-12-23 18:23:38 C 03 48 28.21 +07 28 45.7 r 151
2003-12-23 18:28:54 C 03 48 29.77 +07 28 44.6 r 151
2003-12-23 18:29:49 C 03 48 30.04 +07 28 45.4 r 151