2001 WJ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2166027000
Semi-major axis (a)1.2558963000 AU
Inclination (i)7.90452000°
Long. of Asc. Node (Ω)57.14396000°
Arg. of Perihelion (ω)18.79002000°
Mean Anomaly (M)9.66017000°
Mean Motion (n)0.7002826800°/day
Perihelion dist (q)0.98386580 AU
Aphelion dist (Q)1.52792680 AU
Orbital Period1.40744250 yr
Physical Parameters
H (abs. magnitude)27.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.770″
Uncertainty6
Orbit TypeApollo
MOID0.003776 AU
Observations Used26
Oppositions1
Arc Total
First Observation Used
Last Observation Used2001-11-21
Observations (28)
Date Type RA Dec Mag Band Observatory
2001-11-20 02:03:18 C 01 03 10.23 +10 26 37.6 d 291
2001-11-20 02:13:28 C 01 02 57.96 +10 38 29.3 d 291
2001-11-20 03:36:52 C 01 01 11.93 +12 16 45.8 d 291
2001-11-20 03:54:14 C 01 00 23.21 +12 34 41.4 c 649
2001-11-20 03:54:57 C 01 00 22.32 +12 35 32.2 c 649
2001-11-20 03:55:41 C 01 00 21.39 +12 36 23.3 c 649
2001-11-20 03:57:05 C 01 00 19.50 +12 38 04.4 c 649
2001-11-20 04:20:01 C 01 00 14.17 +13 08 18.7 d 291
2001-11-20 06:24:31 C 00 57 22.39 +15 39 29.9 d 291
2001-11-20 07:26:35 C 00 55 47.95 +16 51 37.0 c 649
2001-11-20 07:27:59 C 00 55 46.26 +16 53 20.1 c 649
2001-11-20 07:29:27 C 00 55 44.40 +16 55 08.0 c 649
2001-11-20 07:30:51 C 00 55 42.67 +16 56 52.7 c 649
2001-11-20 20:46:46 C 00 39 46.83 +34 41 21.7 d 557
2001-11-20 20:47:16 C 00 39 45.87 +34 42 03.1 d 557
2001-11-20 20:47:31 C 00 39 45.34 +34 42 24.2 d 557
2001-11-20 20:47:45 C 00 39 44.86 +34 42 43.9 d 557
2001-11-20 20:48:00 C 00 39 44.34 +34 43 04.0 d 557
2001-11-20 20:48:15 C 00 39 43.86 +34 43 26.4 d 557
2001-11-20 20:48:30 C 00 39 43.46 +34 43 45.3 d 557
2001-11-20 20:48:45 C 00 39 43.00 +34 44 05.3 d 557
2001-11-20 20:48:59 C 00 39 42.45 +34 44 26.8 d 557
2001-11-20 20:49:15 C 00 39 42.06 +34 44 45.8 d 557
2001-11-21 01:20:01 C 00 33 45.53 +41 00 57.1 18.1 c 704
2001-11-21 01:20:30 C 00 33 44.40 +41 01 38.1 18.3 c 704
2001-11-21 01:20:59 C 00 33 43.29 +41 02 19.1 18.6 c 704
2001-11-21 01:21:29 C 00 33 42.22 +41 03 00.1 18.0 c 704
2001-11-21 01:21:58 C 00 33 41.08 +41 03 41.5 18.1 c 704