2012 WL4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1383871568 ± 6.32e-08
Semi-major axis (a)1.4219653414 AU ± 6.37e-09
Inclination (i)31.17815746° ± 6.04e-06
Long. of Asc. Node (Ω)217.55098460° ± 6.10e-06
Arg. of Perihelion (ω)130.50440745° ± 1.72e-05
Mean Anomaly (M)297.75184788° ± 1.91e-05
Mean Motion (n)0.5812711381°/day ± 3.91e-09
Perihelion dist (q)1.22518360 AU ± 9.00e-08
Aphelion dist (Q)1.61874708 AU ± 9.02e-08
Orbital Period1.69563947 yr ± 1.14e-08
Physical Parameters
H (abs. magnitude)19.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.202″
Uncertainty0
Orbit TypeAmor
MOID0.278529 AU
Observations Used113
Oppositions5
Arc Total2012-2025
First Observation Used2012-11-19
Last Observation Used2025-02-01
Observations (117)
Date Type RA Dec Mag Band Observatory
2012-11-19 13:42:51 C 04 04 45.91 -18 47 56.7 r E12
2012-11-19 14:03:15 C 04 04 44.45 -18 48 41.0 r E12
2012-11-19 14:23:51 C 04 04 43.04 -18 49 25.1 r E12
2012-11-19 14:44:16 C 04 04 41.51 -18 50 08.7 r E12
2012-11-19 15:18:40 C 04 04 39.17 -18 51 22.4 r E12
2012-11-19 15:23:04 C 04 04 38.90 -18 51 31.0 r E12
2012-11-19 17:22:31 C 04 04 30.54 -18 55 43.3 r E12
2012-11-20 00:19:37 C 04 04 05.66 -19 10 18.9 u 807
2012-11-20 00:24:46 C 04 04 05.30 -19 10 29.7 u 807
2012-11-20 00:29:56 C 04 04 04.95 -19 10 40.7 u 807
2012-11-20 00:35:18 C 04 04 04.60 -19 10 52.1 u 807
2012-11-20 00:40:14 C 04 04 04.26 -19 11 02.6 u 807
2012-11-20 07:41:20 C 04 03 35.61 -19 25 59.9 q H36
2012-11-20 07:50:43 C 04 03 34.92 -19 26 19.4 q H36
2012-11-20 08:00:18 C 04 03 34.33 -19 26 38.4 q H36
2012-11-20 15:47:32 C 04 03 04.10 -19 42 10.2 r E12
2012-11-20 15:55:24 C 04 03 03.51 -19 42 26.7 r E12
2012-11-21 03:45:43 C 04 02 19.01 -20 06 08.8 u 807
2012-11-21 03:50:00 C 04 02 18.72 -20 06 17.3 u 807
2012-11-21 03:54:19 C 04 02 18.43 -20 06 25.7 u 807
2012-11-21 03:58:43 C 04 02 18.13 -20 06 34.5 u 807
2012-11-21 04:03:23 C 04 02 17.81 -20 06 43.7 u 807
2012-11-22 13:51:36 C 04 00 09.71 -21 11 12.3 r E12
2012-11-24 03:48:01 C 03 57 50.03 -22 18 15.6 u 807
2012-11-24 03:52:08 C 03 57 49.77 -22 18 23.0 u 807
2012-11-24 03:56:14 C 03 57 49.51 -22 18 30.0 u 807
2012-11-24 04:00:21 C 03 57 49.23 -22 18 37.0 u 807
2012-11-24 04:04:28 C 03 57 48.96 -22 18 43.9 u 807
2012-11-25 05:08:38 C 03 56 18.63 -22 59 57.9 u 807
2012-11-25 05:13:38 C 03 56 18.30 -23 00 05.8 u 807
2012-11-25 05:18:36 C 03 56 17.99 -23 00 13.6 u 807
2012-11-25 05:23:34 C 03 56 17.67 -23 00 21.7 u 807
2012-11-25 05:28:33 C 03 56 17.35 -23 00 29.8 u 807
2012-11-25 17:39:36 C 03 55 33.69 -23 19 36.5 r E12
2012-11-26 02:39:42 C 03 55 03.82 -23 33 29.2 u 807
2012-11-26 02:43:49 C 03 55 03.54 -23 33 35.2 u 807
2012-11-26 02:47:55 C 03 55 03.28 -23 33 41.4 u 807
2012-11-26 02:52:02 C 03 55 03.03 -23 33 47.5 u 807
2012-11-26 02:56:07 C 03 55 02.79 -23 33 53.8 u 807
2012-11-27 04:56:08 C 03 53 33.08 -24 12 08.4 u 807
2012-11-27 05:01:04 C 03 53 32.79 -24 12 15.4 u 807
2012-11-27 05:06:00 C 03 53 32.47 -24 12 22.5 u 807
2012-11-27 05:10:57 C 03 53 32.17 -24 12 29.4 u 807
2012-11-27 05:15:53 C 03 53 31.87 -24 12 36.4 u 807
2012-12-05 05:59:33 C 03 43 59.36 -27 46 22.3 u 807
2012-12-05 06:04:31 C 03 43 59.14 -27 46 26.3 u 807
2012-12-05 06:09:28 C 03 43 58.91 -27 46 30.2 u 807
2012-12-05 06:14:26 C 03 43 58.69 -27 46 34.3 u 807
2012-12-05 06:19:24 C 03 43 58.46 -27 46 38.3 u 807
2012-12-07 04:30:01 C 03 42 07.63 -28 21 46.9 u 807