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
2003-08-22 04:39:02 C 18 55 54.84 -01 51 19.8 645
2003-08-22 04:43:44 C 18 55 54.52 -01 51 18.8 645
2003-11-28 01:39:10 C 22 08 15.19 +07 28 25.6 o 699
2003-11-28 01:53:22 C 22 08 21.90 +07 28 35.9 o 699
2003-11-28 02:07:48 C 22 08 28.74 +07 28 45.4 o 699
2003-11-28 02:22:07 C 22 08 35.62 +07 28 54.6 o 699
2003-11-30 02:08:21 C 22 33 32.36 +08 01 28.5 18.1 c 704
2003-11-30 02:27:24 C 22 33 42.60 +08 01 40.9 18.1 c 704
2003-11-30 02:45:57 C 22 33 52.56 +08 01 53.1 18.3 c 704
2003-11-30 03:05:28 C 22 34 03.09 +08 02 05.9 17.9 c 704
2003-12-02 04:38:12 C 23 03 03.84 +08 33 10.6 r 649
2003-12-02 04:41:48 C 23 03 06.12 +08 33 12.7 r 649
2003-12-02 04:54:36 C 23 03 13.85 +08 33 19.4 r 649
2003-12-03 01:57:27 C 23 16 31.39 +08 45 16.8 c 670
2003-12-03 02:05:40 C 23 16 36.47 +08 45 21.1 c 670
2003-12-03 02:23:45 C 23 16 47.75 +08 45 30.1 c 670
2003-12-05 04:22:48 C 23 49 52.08 +09 08 07.5 r 448
2003-12-05 04:27:10 C 23 49 54.98 +09 08 09.0 r 448
2003-12-05 04:31:32 C 23 49 57.87 +09 08 10.4 r 448
2003-12-05 20:12:39 C 00 00 44.91 +09 13 02.1 r J95
2003-12-05 20:23:39 C 00 00 52.38 +09 13 05.1 r J95
2003-12-05 20:35:16 C 00 01 00.22 +09 13 08.3 r J95
2003-12-05 20:59:13 C 00 01 15.66 +09 13 21.2 c 587
2003-12-05 21:01:48 C 00 01 17.40 +09 13 22.3 c 587
2003-12-05 21:04:25 C 00 01 19.10 +09 13 21.8 c 587
2003-12-06 18:19:08 C 00 16 05.94 +09 18 48.5 r 170
2003-12-06 18:20:34 C 00 16 06.90 +09 18 48.9 r 170
2003-12-06 18:27:21 C 00 16 11.53 +09 18 50.2 r 170
2003-12-06 18:35:21 C 00 16 16.94 +09 18 51.8 r 170
2003-12-06 18:38:55 C 00 16 19.34 +09 18 52.5 r 170
2003-12-07 13:26:26 C 00 29 20.28 +09 23 22.4 r 413
2003-12-07 13:34:48 C 00 29 26.02 +09 23 23.7 r 413
2003-12-07 17:12:55 C 00 32 03.00 +09 22 11.4 c 113
2003-12-07 17:13:44 C 00 32 03.54 +09 22 11.4 c 113
2003-12-07 17:14:34 C 00 32 04.09 +09 22 11.0 c 113
2003-12-07 17:15:23 C 00 32 04.66 +09 22 11.2 c 113
2003-12-07 17:16:13 C 00 32 05.23 +09 22 11.5 c 113
2003-12-07 18:30:50 C 00 32 57.14 +09 22 31.0 r 941
2003-12-07 18:31:14 C 00 32 57.41 +09 22 30.9 r 941
2003-12-07 18:31:37 C 00 32 57.68 +09 22 31.0 r 941
2003-12-07 18:32:00 C 00 32 57.93 +09 22 31.0 r 941
2003-12-07 18:32:47 C 00 32 58.47 +09 22 31.3 r 941
2003-12-07 18:48:29 C 00 33 08.49 +09 22 24.2 r 151
2003-12-07 18:50:22 C 00 33 09.77 +09 22 24.0 r 151
2003-12-07 18:51:03 C 00 33 10.25 +09 22 24.1 r 151
2003-12-07 18:51:19 C 00 33 10.41 +09 22 24.2 r 151
2003-12-07 18:57:26 C 00 33 14.51 +09 22 25.7 r 151
2003-12-07 19:00:18 C 00 33 16.55 +09 22 25.9 r 151
2003-12-09 04:13:48 C 00 56 13.56 +09 23 28.5 o 699
2003-12-09 04:18:33 C 00 56 16.58 +09 23 33.3 c 926