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
2022-01-16 18:44:56 S 04 19 06.413 -42 16 27.62 L C51
2022-01-16 21:53:04 S 04 19 51.257 -42 23 16.84 L C51
2022-01-17 01:01:12 S 04 20 35.741 -42 29 58.16 L C51
2022-01-17 05:43:13 S 04 21 41.794 -42 39 48.13 L C51
2022-01-17 08:51:21 S 04 22 25.394 -42 46 14.38 L C51
2022-01-17 15:07:37 S 04 23 51.833 -42 58 49.15 L C51
2022-01-17 21:23:43 S 04 25 16.819 -43 10 56.96 L C51
2022-01-17 21:23:53 S 04 25 16.810 -43 10 58.55 L C51
2022-01-18 03:39:59 S 04 26 40.622 -43 22 44.54 L C51
2022-01-18 06:48:07 S 04 27 22.008 -43 28 29.32 L C51
2022-01-18 13:04:23 S 04 28 44.172 -43 39 45.07 L C51
2022-02-08 01:31:27 C 05 40 00.84 -48 51 58.2 V 807
2022-02-08 01:34:07 C 05 40 01.10 -48 51 58.5 V 807
2022-02-08 01:36:46 C 05 40 01.36 -48 51 58.5 V 807
2022-02-20 01:54:01 C 06 08 29.74 -48 22 19.7 V 807
2022-02-20 02:07:22 C 06 08 30.90 -48 22 16.5 V 807
2022-02-20 02:20:40 C 06 08 32.09 -48 22 13.3 V 807
2022-02-26 02:33:46 C 06 21 59.51 -47 42 59.9 u 807
2022-02-26 02:49:33 C 06 22 00.89 -47 42 55.5 u 807
2022-02-26 03:05:19 C 06 22 02.31 -47 42 50.3 u 807
2022-03-08 09:26:17 C 06 45 02.76 -46 10 26.0 V 474
2022-03-08 09:31:21 C 06 45 03.25 -46 10 23.9 V 474
2022-03-08 09:36:25 C 06 45 03.71 -46 10 21.5 V 474
2022-03-08 09:41:29 C 06 45 04.20 -46 10 19.7 V 474
2022-04-02 00:25:11 C 07 42 37.20 -41 18 35.2 V 807
2022-04-02 00:37:09 C 07 42 38.34 -41 18 29.1 V 807
2022-04-02 00:49:07 C 07 42 39.54 -41 18 22.7 V 807