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
2022-01-01 18:31:04 C 01 55 41.57 -00 25 19.1 V 033
2022-01-01 18:31:29 C 01 55 41.81 -00 25 25.0 V 033
2022-01-01 18:58:52 C 01 55 57.96 -00 32 03.9 V K74
2022-01-01 19:01:04 C 01 55 59.25 -00 32 36.3 V K74
2022-01-01 19:03:15 C 01 56 00.52 -00 33 07.9 V K74
2022-01-01 19:05:25 C 01 56 01.79 -00 33 39.5 V K74
2022-01-02 19:10:36 C 02 10 13.39 -06 14 09.0 q I76
2022-01-02 19:16:15 C 02 10 16.57 -06 15 28.1 q I76
2022-01-02 19:21:55 C 02 10 19.66 -06 16 45.7 q I76
2022-01-02 19:42:41 C 02 10 30.25 -06 21 39.4 V G01
2022-01-02 19:43:58 C 02 10 31.04 -06 21 59.0 V G01
2022-01-02 19:44:39 C 02 10 31.44 -06 22 05.0 V G01
2022-01-02 19:53:39 C 02 10 35.05 -06 22 11.1 V M22
2022-01-02 19:58:33 C 02 10 37.75 -06 23 17.9 V M22
2022-01-02 20:06:23 C 02 10 42.12 -06 25 04.5 V M22
2022-01-02 20:21:36 C 02 10 50.52 -06 28 30.5 V M22
2022-01-05 18:14:20 C 02 47 47.42 -20 09 34.0 Z L34
2022-01-05 18:55:39 C 02 48 06.59 -20 16 18.2 Z L34
2022-01-05 19:01:18 C 02 48 09.23 -20 17 13.6 Z L34
2022-01-05 19:37:41 C 02 48 26.08 -20 23 08.8 Z L34
2022-01-06 00:36:05 C 02 50 50.29 -21 10 50.4 V W46
2022-01-06 00:41:25 C 02 50 52.74 -21 11 40.7 V W46
2022-01-06 00:46:35 C 02 50 55.14 -21 12 28.8 V W46
2022-01-06 04:13:48 C 02 52 31.50 -21 44 48.9 V 703
2022-01-06 04:21:34 C 02 52 35.02 -21 46 00.5 V 703
2022-01-06 04:29:19 C 02 52 38.51 -21 47 12.1 V 703
2022-01-06 04:37:04 C 02 52 42.04 -21 48 23.8 V 703
2022-01-06 07:24:42 C 02 54 00.69 -22 13 53.6 V T05
2022-01-06 07:29:20 C 02 54 02.79 -22 14 36.0 V T05
2022-01-06 07:38:33 C 02 54 06.91 -22 15 59.7 V T05
2022-01-06 07:53:05 C 02 54 13.37 -22 18 10.9 V T05
2022-01-06 11:17:45 C 02 55 47.82 -22 47 32.8 V 474
2022-01-06 11:20:39 C 02 55 49.17 -22 47 58.3 V 474
2022-01-06 11:22:05 C 02 55 49.79 -22 48 11.4 V 474
2022-01-06 11:24:59 C 02 55 51.09 -22 48 36.6 V 474
2022-01-07 10:41:56 C 03 06 17.24 -26 02 47.8 V 474
2022-01-07 10:43:23 C 03 06 17.84 -26 02 59.1 V 474
2022-01-07 10:46:16 C 03 06 19.07 -26 03 21.4 V 474
2022-01-07 10:47:43 C 03 06 19.66 -26 03 32.7 V 474
2022-01-08 07:15:39 C 03 14 58.53 -28 34 41.4 V T08
2022-01-08 07:20:17 C 03 15 00.30 -28 35 12.9 V T08
2022-01-08 07:28:15 C 03 15 03.45 -28 36 08.0 V T08
2022-01-08 19:16:41 C 03 19 50.27 -29 54 49.3 X 595
2022-01-08 19:35:11 C 03 19 57.29 -29 56 48.1 X 595
2022-01-08 19:53:23 C 03 20 04.27 -29 58 44.2 X 595
2022-01-09 05:16:44 C 03 23 46.569 -30 56 51.62 U F52
2022-01-09 05:46:04 C 03 23 57.316 -30 59 49.62 U F52
2022-01-09 06:00:37 C 03 24 02.637 -31 01 17.55 U F52
2022-01-10 07:59:04 C 03 33 39.56 -33 26 05.9 V T05
2022-01-10 08:03:43 C 03 33 41.14 -33 26 30.2 V T05