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
2012-12-07 04:35:49 C 03 42 07.39 -28 21 50.9 u 807
2012-12-07 04:41:37 C 03 42 07.13 -28 21 54.8 u 807
2012-12-07 04:47:25 C 03 42 06.87 -28 21 59.1 u 807
2012-12-07 04:53:12 C 03 42 06.63 -28 22 03.0 u 807
2012-12-09 12:16:12 C 03 40 07.73 -28 57 01.5 o 474
2012-12-09 12:21:15 C 03 40 07.54 -28 57 04.8 o 474
2012-12-09 12:26:19 C 03 40 07.32 -28 57 07.1 o 474
2012-12-12 03:05:43 C 03 38 12.27 -29 28 21.3 u 807
2012-12-12 03:11:30 C 03 38 12.07 -29 28 23.7 u 807
2012-12-12 03:17:16 C 03 38 11.88 -29 28 26.2 u 807
2012-12-12 03:23:03 C 03 38 11.71 -29 28 28.7 u 807
2012-12-12 03:28:48 C 03 38 11.53 -29 28 31.1 u 807
2013-01-07 02:05:25 C 03 37 16.01 -29 14 29.5 u 807
2013-01-07 02:18:10 C 03 37 16.26 -29 14 24.9 u 807
2013-01-07 02:31:30 C 03 37 16.51 -29 14 20.5 u 807
2015-03-14 11:45:18 C 10 54 33.15 -45 39 44.0 t 474
2015-03-14 12:06:27 C 10 54 31.81 -45 39 23.4 t 474
2015-03-14 12:16:57 C 10 54 31.17 -45 39 13.9 t 474
2015-03-20 09:38:00 C 10 46 48.84 -43 10 15.7 t 474
2015-03-20 09:43:05 C 10 46 48.56 -43 10 09.5 t 474
2015-03-20 10:09:21 C 10 46 47.12 -43 09 38.9 t 474
2015-03-20 10:14:25 C 10 46 46.88 -43 09 33.1 t 474
2015-03-20 10:19:29 C 10 46 46.58 -43 09 26.7 t 474
2017-05-17 08:56:43 C 19 48 20.09 +24 38 40.3 t 705
2017-05-17 08:58:12 C 19 48 20.14 +24 38 43.1 t 705
2017-05-17 08:59:39 C 19 48 20.23 +24 38 46.5 t 705
2017-09-29 02:33:17 C 20 48 16.12 +54 50 02.3 U H21
2017-09-29 02:43:57 C 20 48 17.36 +54 49 42.8 U H21
2017-10-24 03:13:02 C 22 14 33.59 +27 20 59.7 q H45
2017-10-24 03:15:24 C 22 14 33.97 +27 20 51.0 q H45
2017-10-24 03:17:13 C 22 14 34.18 +27 20 45.6 q H45
2017-10-24 03:19:14 C 22 14 34.51 +27 20 37.4 q H45
2017-10-24 03:21:07 C 22 14 34.79 +27 20 30.9 q H45
2017-10-24 03:22:59 C 22 14 35.06 +27 20 24.7 q H45
2017-10-27 03:29:48 C 22 25 05.96 +23 15 33.9 U G96
2017-10-27 03:37:28 C 22 25 07.02 +23 15 07.7 U G96
2017-10-27 03:45:06 C 22 25 08.07 +23 14 42.0 U G96
2017-10-27 03:52:43 C 22 25 09.11 +23 14 16.1 U G96
2017-11-25 02:43:05 C 23 56 10.30 -06 13 13.3 U G96
2017-11-25 02:50:38 C 23 56 11.16 -06 13 24.7 U G96
2017-11-25 02:58:08 C 23 56 12.06 -06 13 35.4 U G96
2017-11-25 03:05:39 C 23 56 12.86 -06 13 46.8 U G96
2022-05-11 09:01:59 C 17 06 56.718 +11 02 33.32 V G96
2022-05-11 09:09:30 C 17 06 56.437 +11 02 52.08 V G96
2022-05-11 09:17:01 C 17 06 56.142 +11 03 10.87 V G96
2022-05-11 09:24:32 C 17 06 55.861 +11 03 29.30 V G96
2022-05-18 10:12:25 C 17 00 00.086 +17 54 42.91 V G96
2022-05-18 10:19:48 C 16 59 59.708 +17 55 00.37 V G96
2022-05-18 10:27:10 C 16 59 59.334 +17 55 17.44 V G96
2022-05-18 10:34:33 C 16 59 58.942 +17 55 34.97 V G96