2020 YJ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2334050000
Semi-major axis (a)1.3021520000 AU
Inclination (i)18.71819000°
Long. of Asc. Node (Ω)278.84530000°
Arg. of Perihelion (ω)140.80880000°
Mean Anomaly (M)129.02441000°
Mean Motion (n)0.6633024000°/day
Perihelion dist (q)0.99822320 AU
Aphelion dist (Q)1.60608080 AU
Orbital Period1.48591010 yr
Physical Parameters
H (abs. magnitude)23.63
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.340″
Uncertainty8
Orbit TypeApollo
MOID0.054739 AU
Observations Used61
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-01-14
Observations (61)
Date Type RA Dec Mag Band Observatory
2020-12-24 08:09:51 C 06 34 50.306 +62 32 52.45 V F51
2020-12-24 08:30:51 C 06 34 45.393 +62 27 55.45 V F51
2020-12-26 05:14:05 C 06 29 07.85 +51 02 03.9 V 703
2020-12-26 05:21:59 C 06 29 06.54 +51 00 00.6 V 703
2020-12-26 05:29:53 C 06 29 05.40 +50 57 55.6 V 703
2020-12-26 06:00:44 C 06 29 00.70 +50 49 47.9 V I52
2020-12-26 06:02:31 C 06 29 00.44 +50 49 19.6 V I52
2020-12-26 06:04:17 C 06 29 00.19 +50 48 51.6 V I52
2020-12-26 06:06:04 C 06 28 59.91 +50 48 23.3 V I52
2020-12-26 09:34:30 C 06 28 28.19 +49 52 34.6 V I52
2020-12-26 09:35:55 C 06 28 27.99 +49 52 11.5 V I52
2020-12-26 09:37:21 C 06 28 27.78 +49 51 48.1 V I52
2020-12-26 09:38:46 C 06 28 27.57 +49 51 25.0 V I52
2020-12-26 17:00:47 C 06 28 06.82 +47 50 54.7 V L01
2020-12-26 17:02:30 C 06 28 06.72 +47 50 27.4 V L01
2020-12-26 17:03:50 C 06 28 06.63 +47 50 06.3 V L01
2020-12-26 17:07:23 C 06 28 06.26 +47 49 10.7 V L01
2020-12-26 17:15:26 C 06 28 05.55 +47 47 03.3 V L01
2020-12-26 17:39:26 C 06 28 02.31 +47 40 34.0 V 113
2020-12-26 17:42:44 C 06 28 02.02 +47 39 42.9 V 113
2020-12-26 19:21:59 C 06 27 54.82 +47 13 32.9 V B49
2020-12-26 19:22:58 C 06 27 54.71 +47 13 17.4 V B49
2020-12-26 19:48:12 C 06 27 50.10 +47 06 40.3 V 595
2020-12-26 20:02:29 C 06 27 48.99 +47 02 48.2 V 204
2020-12-26 20:09:13 C 06 27 47.68 +47 01 06.1 V 595
2020-12-26 20:12:33 C 06 27 47.86 +47 00 08.1 V 204
2020-12-26 20:21:14 C 06 27 46.20 +46 57 54.7 V 595
2020-12-26 20:22:36 C 06 27 46.72 +46 57 27.9 V 204
2020-12-26 20:39:58 C 06 27 45.11 +46 52 53.0 V C77
2020-12-26 20:45:43 C 06 27 44.37 +46 51 21.2 V C77
2020-12-26 20:51:31 C 06 27 43.67 +46 49 49.0 V C77
2020-12-26 20:54:07 C 06 27 42.25 +46 49 08.9 V 595
2020-12-26 21:11:01 C 06 27 41.01 +46 44 34.1 V K38
2020-12-26 21:34:44 C 06 27 38.05 +46 38 14.6 V K38
2020-12-26 21:43:57 C 06 27 36.90 +46 35 46.5 V K38
2020-12-26 21:55:32 C 06 27 35.47 +46 32 40.4 V K38
2020-12-27 01:38:29 C 06 27 23.92 +45 32 14.9 V W34
2020-12-27 01:48:38 C 06 27 22.81 +45 29 32.9 V W34
2020-12-27 01:58:24 C 06 27 21.79 +45 26 57.7 V W34
2021-01-03 03:52:29 C 06 20 02.81 +06 31 14.5 u 807
2021-01-03 03:55:39 C 06 20 02.64 +06 30 43.6 u 807
2021-01-03 03:58:50 C 06 20 02.46 +06 30 12.4 u 807
2021-01-05 05:23:28 C 06 19 07.54 -00 39 22.3 u 807
2021-01-05 05:27:29 C 06 19 07.37 -00 39 53.1 u 807
2021-01-05 05:31:25 C 06 19 07.22 -00 40 23.1 u 807
2021-01-08 10:01:10 C 06 18 20.32 -08 45 05.2 V T05
2021-01-08 10:14:24 C 06 18 19.83 -08 46 14.4 V T05
2021-01-08 10:19:01 C 06 18 19.67 -08 46 36.7 V T05
2021-01-08 10:34:52 C 06 18 19.24 -08 47 59.5 V T05
2021-01-10 07:20:36 C 06 18 06.15 -12 14 39.0 V I52