2003 WE157

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5662547345 ± 1.24e-05
Semi-major axis (a)2.2469601951 AU ± 5.87e-05
Inclination (i)9.63334403° ± 1.83e-04
Long. of Asc. Node (Ω)226.34972118° ± 4.10e-04
Arg. of Perihelion (ω)264.71785191° ± 4.57e-04
Mean Anomaly (M)170.21079004° ± 9.83e-02
Mean Motion (n)0.2926302428°/day ± 1.15e-05
Perihelion dist (q)0.97460835 AU ± 3.77e-05
Aphelion dist (Q)3.51931204 AU ± 9.61e-05
Orbital Period3.36816275 yr ± 1.32e-04
Physical Parameters
H (abs. magnitude)21.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.519″
Uncertainty2
Orbit TypeApollo
MOID0.142229 AU
Observations Used34
Oppositions1
Arc Total2003-2004
First Observation Used2003-11-29
Last Observation Used2004-05-09
Observations (36)
Date Type RA Dec Mag Band Observatory
2003-11-29 08:32:02 C 02 54 53.50 +06 54 31.2 c 691
2003-11-29 09:11:31 C 02 54 51.47 +06 53 21.5 c 691
2003-11-29 09:55:41 C 02 54 49.20 +06 52 03.0 c 691
2003-11-30 03:42:43 C 02 54 01.42 +06 20 29.8 d 291
2003-11-30 03:48:17 C 02 54 01.13 +06 20 20.1 d 291
2003-11-30 03:54:12 C 02 54 00.82 +06 20 09.4 d 291
2003-11-30 05:40:37 C 02 53 55.16 +06 17 00.0 c 926
2003-11-30 05:43:40 C 02 53 54.91 +06 16 54.4 c 926
2003-11-30 05:46:39 C 02 53 54.74 +06 16 48.1 c 926
2003-11-30 06:44:33 C 02 53 51.58 +06 15 03.9 r 448
2003-11-30 06:48:50 C 02 53 51.50 +06 14 58.0 c 854
2003-11-30 06:54:48 C 02 53 50.99 +06 14 45.8 r 448
2003-11-30 06:58:20 C 02 53 50.95 +06 14 40.1 c 854
2003-11-30 07:05:03 C 02 53 50.43 +06 14 26.8 r 448
2003-12-01 04:39:33 C 02 52 51.49 +05 35 29.7 r 448
2003-12-01 05:24:30 C 02 52 49.13 +05 34 06.9 r 448
2003-12-01 05:45:55 C 02 52 47.95 +05 33 27.5 r 448
2003-12-18 05:15:50 C 02 38 40.18 -08 09 58.3 r 649
2003-12-18 05:24:23 C 02 38 40.09 -08 10 19.1 r 649
2003-12-18 05:32:53 C 02 38 39.81 -08 10 36.7 r 649
2003-12-29 02:41:33 C 02 37 36.52 -17 48 27.9 d 291
2003-12-29 02:48:19 C 02 37 36.57 -17 48 45.3 d 291
2003-12-29 02:54:42 C 02 37 36.71 -17 49 00.5 d 291
2004-03-29 17:07:43 C 12 55 55.09 -38 01 41.7 r 413
2004-03-29 17:22:51 C 12 55 55.53 -38 01 00.2 r 413
2004-03-30 13:15:40 C 12 56 41.00 -37 08 23.6 c 474
2004-03-30 13:18:50 C 12 56 41.07 -37 08 13.5 c 474
2004-03-30 13:21:50 C 12 56 41.08 -37 08 05.7 c 474
2004-03-30 13:24:49 C 12 56 41.22 -37 07 57.6 c 474
2004-03-30 13:30:00 C 12 56 41.39 -37 07 44.9 c 474
2004-04-29 09:43:42 C 13 11 03.14 -15 29 53.9 c F65
2004-04-29 09:45:52 C 13 11 03.18 -15 29 51.6 c F65
2004-04-29 09:47:43 C 13 11 03.20 -15 29 50.1 c F65
2004-05-09 06:00:58 C 13 16 17.12 -12 08 46.8 d 291
2004-05-09 06:07:30 C 13 16 17.39 -12 08 44.1 d 291
2004-05-09 06:13:39 C 13 16 17.40 -12 08 37.8 d 291