2021 YJ

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5618018686 ± 1.29e-05
Semi-major axis (a)2.3029585074 AU ± 6.85e-05
Inclination (i)32.36712998° ± 3.08e-04
Long. of Asc. Node (Ω)274.25156491° ± 6.20e-05
Arg. of Perihelion (ω)176.47039946° ± 3.67e-05
Mean Anomaly (M)41.36506410° ± 1.80e-02
Mean Motion (n)0.2820220767°/day ± 1.26e-05
Perihelion dist (q)1.00915211 AU ± 4.23e-05
Aphelion dist (Q)3.59676490 AU ± 1.11e-04
Orbital Period3.49485507 yr ± 1.56e-04
Physical Parameters
H (abs. magnitude)19.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.263″
Uncertainty2
Orbit TypeApollo
MOID0.025774 AU
Observations Used153
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-26
Last Observation Used2022-04-02
Observations (227)
Date Type RA Dec Mag Band Observatory
2021-12-27 03:24:57 C 00 26 21.31 +31 36 06.4 V 703
2021-12-27 03:33:11 C 00 26 26.83 +31 34 30.6 V 703
2021-12-27 11:39:31 C 00 32 02.19 +29 58 44.8 V 900
2021-12-27 11:43:03 C 00 32 04.55 +29 58 02.1 V 900
2021-12-27 16:30:49 C 00 35 27.51 +28 59 23.8 V 246
2021-12-27 16:31:08 C 00 35 27.67 +28 59 19.3 V 246
2021-12-27 16:31:27 C 00 35 27.88 +28 59 16.0 V 246
2021-12-27 16:31:37 C 00 35 27.99 +28 59 13.5 V 246
2021-12-27 16:31:46 C 00 35 28.08 +28 59 11.3 V 246
2021-12-27 19:18:08 C 00 37 20.74 +28 24 59.6 X J57
2021-12-27 19:20:41 C 00 37 22.45 +28 24 27.6 X J57
2021-12-27 19:23:06 C 00 37 24.06 +28 23 57.6 X J57
2021-12-27 19:46:00 C 00 37 38.86 +28 18 51.6 V 033
2021-12-27 19:46:24 C 00 37 39.14 +28 18 46.5 V 033
2021-12-27 19:46:49 C 00 37 39.42 +28 18 41.3 V 033
2021-12-28 19:33:55 C 00 54 01.22 +23 05 52.4 q I76
2021-12-28 19:39:28 C 00 54 04.69 +23 04 37.9 q I76
2021-12-28 19:45:33 C 00 54 08.78 +23 03 13.6 q I76
2021-12-30 17:23:31 C 01 24 45.95 +11 55 45.1 V 130
2021-12-30 17:26:10 C 01 24 47.62 +11 55 04.7 V 130
2021-12-30 17:28:45 C 01 24 49.26 +11 54 25.9 V 130
2021-12-30 18:52:30 C 01 25 42.43 +11 33 13.3 V 204
2021-12-30 18:55:23 C 01 25 44.25 +11 32 29.5 V 204
2021-12-30 18:58:15 C 01 25 46.08 +11 31 45.8 V 204
2021-12-30 19:01:07 C 01 25 47.88 +11 31 02.2 V 204
2021-12-30 19:03:59 C 01 25 49.70 +11 30 18.7 V 204
2021-12-30 20:22:03 C 01 26 39.33 +11 10 32.5 X C95
2021-12-30 20:24:03 C 01 26 40.61 +11 10 02.0 X C95
2021-12-30 20:26:01 C 01 26 41.84 +11 09 31.4 X C95
2021-12-30 20:28:01 C 01 26 43.11 +11 09 01.3 X C95
2021-12-30 20:29:44 C 01 26 44.23 +11 08 34.9 X C95
2021-12-30 20:31:12 C 01 26 45.15 +11 08 12.6 X C95
2021-12-30 20:42:42 C 01 26 53.17 +11 05 21.4 q I76
2021-12-30 20:53:14 C 01 26 59.79 +11 02 41.0 q I76
2021-12-30 21:01:08 C 01 27 04.73 +11 00 41.3 q I76
2021-12-31 20:21:13 C 01 42 00.69 +05 05 23.4 17.0 q 122
2021-12-31 20:33:50 C 01 42 08.39 +05 02 12.2 17.0 q 122
2021-12-31 20:41:06 C 01 42 12.81 +05 00 22.4 16.9 q 122
2022-01-01 02:08:56 C 01 45 36.69 +03 39 45.9 u 807
2022-01-01 02:11:11 C 01 45 38.05 +03 39 12.0 u 807
2022-01-01 02:13:25 C 01 45 39.34 +03 38 37.4 u 807
2022-01-01 02:15:23 C 01 45 40.59 +03 38 08.7 u 807
2022-01-01 09:48:43 C 01 50 21.54 +01 45 23.1 V 474
2022-01-01 09:51:36 C 01 50 23.25 +01 44 40.1 V 474
2022-01-01 09:54:29 C 01 50 24.97 +01 43 56.9 V 474
2022-01-01 09:57:23 C 01 50 26.71 +01 43 14.0 V 474
2022-01-01 17:14:07 C 01 54 56.58 -00 06 30.9 V A17
2022-01-01 17:37:54 C 01 55 10.60 -00 12 19.8 V A17
2022-01-01 17:47:30 C 01 55 16.22 -00 14 40.3 V A17
2022-01-01 18:30:40 C 01 55 41.33 -00 25 13.2 V 033