2020 WJ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3550675726 ± 4.83e-08
Semi-major axis (a)1.8921976912 AU ± 1.83e-08
Inclination (i)8.23778719° ± 3.89e-06
Long. of Asc. Node (Ω)95.32094561° ± 1.77e-05
Arg. of Perihelion (ω)7.17959285° ± 2.34e-05
Mean Anomaly (M)319.37012890° ± 1.08e-05
Mean Motion (n)0.3786714074°/day ± 5.50e-09
Perihelion dist (q)1.22033965 AU ± 9.22e-08
Aphelion dist (Q)2.56405573 AU ± 9.48e-08
Orbital Period2.60285372 yr ± 3.78e-08
Physical Parameters
H (abs. magnitude)20.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.258″
Uncertainty0
Orbit TypeAmor
MOID0.237172 AU
Observations Used145
Oppositions8
Arc Total2012-2025
First Observation Used2012-10-10
Last Observation Used2025-09-14
Observations (148)
Date Type RA Dec Mag Band Observatory
2012-10-10 08:29:09 C 00 15 35.995 -18 56 51.48 V F51
2012-10-10 08:49:13 C 00 15 34.861 -18 56 56.88 V F51
2016-03-05 14:19:13 C 15 31 31.055 -05 56 18.68 V F51
2016-03-31 13:14:05 C 15 27 04.937 -04 08 06.39 V F51
2016-04-16 11:43:39 C 15 10 12.286 -02 52 29.67 V F51
2016-05-01 10:31:07 C 14 49 26.657 -02 07 30.03 V F51
2016-05-01 10:49:24 C 14 49 25.556 -02 07 28.58 V F51
2020-11-14 09:59:00 C 07 39 59.40 +11 55 26.6 V G96
2020-11-14 10:06:25 C 07 40 00.30 +11 55 27.8 V G96
2020-11-14 10:13:51 C 07 40 01.20 +11 55 29.7 V G96
2020-11-14 10:21:15 C 07 40 02.14 +11 55 30.9 V G96
2020-11-24 09:39:26 C 08 10 34.04 +12 48 05.3 V G96
2020-11-24 09:46:46 C 08 10 34.94 +12 48 07.5 V G96
2020-11-24 09:54:07 C 08 10 35.83 +12 48 09.3 V G96
2020-11-24 10:01:28 C 08 10 36.74 +12 48 11.4 V G96
2020-11-24 10:38:30 C 08 10 41.24 +12 48 21.8 V I52
2020-11-24 10:43:24 C 08 10 41.85 +12 48 23.6 V I52
2020-11-25 01:36:49 C 08 12 35.99 +12 52 35.2 V L01
2020-11-25 01:46:57 C 08 12 37.26 +12 52 38.3 V L01
2020-11-25 01:50:23 C 08 12 37.68 +12 52 39.5 V L01
2020-11-25 01:53:48 C 08 12 38.09 +12 52 40.5 V L01
2020-11-25 08:38:32 C 08 13 30.22 +12 54 42.7 o 691
2020-11-25 09:04:22 C 08 13 33.40 +12 54 50.1 V I52
2020-11-25 09:06:11 C 08 13 33.62 +12 54 50.4 V I52
2020-11-25 09:09:49 C 08 13 34.06 +12 54 51.7 V I52
2020-11-25 09:17:12 C 08 13 34.97 +12 54 54.8 o 691
2020-11-25 09:55:51 C 08 13 39.72 +12 55 06.2 o 691
2020-11-28 09:43:54 C 08 22 48.32 +13 17 53.8 V I52
2020-11-29 11:55:19 C 08 26 07.13 +13 27 01.5 V I52
2020-11-29 12:05:29 C 08 26 08.40 +13 27 04.8 V I52
2020-11-29 12:09:07 C 08 26 08.86 +13 27 06.1 V I52
2020-11-29 12:12:45 C 08 26 09.25 +13 27 07.6 V I52
2020-12-02 12:04:42 C 08 35 14.71 +13 54 26.1 V I52
2020-12-02 12:06:53 C 08 35 14.93 +13 54 26.9 V I52
2020-12-02 12:11:17 C 08 35 15.46 +13 54 28.9 V I52
2020-12-10 09:35:28 C 08 58 46.77 +15 23 50.0 U I41
2020-12-10 10:06:17 C 08 58 50.38 +15 24 07.0 U I41
2020-12-10 10:52:21 C 08 58 55.68 +15 24 32.0 U I41
2020-12-10 11:40:11 C 08 59 01.19 +15 24 58.3 U I41
2020-12-15 10:21:52 C 09 13 11.08 +16 34 57.7 V G96
2020-12-15 10:29:25 C 09 13 11.95 +16 35 02.1 V G96
2020-12-15 10:36:58 C 09 13 12.77 +16 35 06.9 V G96
2020-12-15 10:44:34 C 09 13 13.61 +16 35 12.0 V G96
2020-12-16 09:02:45 C 09 15 49.97 +16 49 34.5 o 691
2020-12-16 09:07:46 C 09 15 50.51 +16 49 38.1 o 691
2020-12-16 09:15:19 C 09 15 51.31 +16 49 42.9 o 691
2020-12-17 13:00:22 C 09 19 01.57 +17 08 08.6 V I52
2020-12-17 13:04:02 C 09 19 01.95 +17 08 10.6 V I52
2020-12-17 13:07:39 C 09 19 02.37 +17 08 13.4 V I52
2020-12-17 13:11:13 C 09 19 02.73 +17 08 15.9 V I52