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
2003-12-23 21:25:11 C 03 49 20.16 +07 27 57.7 r 215
2003-12-23 21:25:45 C 03 49 20.31 +07 27 56.8 r 215
2003-12-25 21:07:38 C 04 02 30.04 +07 16 30.4 r 941
2003-12-25 21:08:17 C 04 02 30.21 +07 16 30.3 r 941
2003-12-25 21:08:55 C 04 02 30.36 +07 16 30.2 r 941
2003-12-25 21:09:34 C 04 02 30.51 +07 16 30.0 r 941
2003-12-25 21:10:51 C 04 02 30.84 +07 16 29.7 r 941
2003-12-28 02:57:16 C 04 15 27.56 +07 06 41.9 o 699
2003-12-28 03:16:25 C 04 15 31.61 +07 06 39.1 o 699
2003-12-28 03:35:28 C 04 15 35.84 +07 06 36.9 o 699
2003-12-28 03:54:46 C 04 15 39.91 +07 06 35.0 o 699
2004-01-01 13:00:44 C 04 36 21.04 +06 56 51.4 r E14
2004-01-01 13:45:49 C 04 36 28.43 +06 56 49.1 r E14
2004-01-19 03:11:23 C 05 27 30.55 +07 29 21.2 r 715
2004-01-19 03:20:17 C 05 27 31.28 +07 29 22.3 r 715
2004-01-19 03:29:11 C 05 27 32.01 +07 29 24.2 r 715
2004-01-19 03:38:06 C 05 27 32.77 +07 29 25.4 r 715
2016-06-02 14:15:59 C 22 48 18.231 +02 14 30.31 t 568
2016-06-02 14:26:41 C 22 48 19.382 +02 14 40.93 t 568
2016-06-02 14:32:30 C 22 48 20.013 +02 14 46.76 t 568
2016-06-02 14:38:20 C 22 48 20.641 +02 14 52.54 t 568
2016-06-03 13:20:31 C 22 50 50.697 +02 37 34.41 t 568
2016-06-03 13:26:21 C 22 50 51.334 +02 37 40.27 t 568
2016-06-03 13:32:10 C 22 50 51.972 +02 37 46.21 t 568
2016-06-03 14:13:08 C 22 50 56.441 +02 38 27.44 t 568
2016-06-03 14:18:35 C 22 50 57.038 +02 38 33.08 t 568