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
2021-12-26 05:50:27 C 00 11 29.98 +35 31 21.8 V T08
2021-12-26 05:55:06 C 00 11 33.05 +35 30 33.7 V T08
2021-12-26 06:04:27 C 00 11 39.25 +35 28 56.9 V T08
2021-12-26 06:35:49 C 00 12 00.07 +35 23 32.5 V T08
2021-12-26 08:47:34 C 00 13 28.29 +35 00 30.3 V T08
2021-12-26 08:48:14 C 00 13 28.81 +35 00 22.4 V T08
2021-12-26 08:48:54 C 00 13 29.19 +35 00 15.5 V T08
2021-12-26 08:49:34 C 00 13 29.66 +35 00 09.4 V T08
2021-12-26 08:50:13 C 00 13 30.15 +35 00 02.3 V T08
2021-12-26 09:51:30 C 00 14 16.88 +34 49 27.7 r P93
2021-12-26 09:53:17 C 00 14 18.07 +34 49 08.6 r P93
2021-12-26 10:03:44 C 00 14 25.03 +34 47 18.8 r P93
2021-12-26 14:47:15 C 00 17 38.925 +33 56 37.70 X N82
2021-12-26 14:58:03 C 00 17 46.186 +33 54 40.66 X N82
2021-12-26 15:08:51 C 00 17 53.495 +33 52 42.99 X N82
2021-12-26 16:20:55 C 00 18 46.91 +33 39 45.8 V B15
2021-12-26 16:24:29 C 00 18 49.28 +33 39 07.4 V B15
2021-12-26 16:27:53 C 00 18 51.57 +33 38 30.5 V B15
2021-12-26 16:29:35 C 00 18 52.73 +33 38 11.9 V B15
2021-12-26 16:38:44 C 00 18 58.46 +33 36 37.2 X G02
2021-12-26 16:42:39 C 00 19 01.06 +33 35 54.5 X G02
2021-12-26 16:46:33 C 00 19 03.71 +33 35 12.1 X G02
2021-12-26 16:50:56 C 00 19 06.64 +33 34 23.6 X G02
2021-12-26 17:49:21 C 00 19 45.67 +33 23 46.1 o K88
2021-12-26 17:49:57 C 00 19 46.08 +33 23 39.4 o K88
2021-12-26 17:50:34 C 00 19 46.50 +33 23 32.8 o K88
2021-12-26 17:51:11 C 00 19 46.91 +33 23 26.0 o K88
2021-12-26 17:51:47 C 00 19 47.31 +33 23 19.3 o K88
2021-12-26 17:52:23 C 00 19 47.74 +33 23 12.6 o K88
2021-12-26 17:53:00 C 00 19 48.13 +33 23 05.8 o K88
2021-12-26 17:53:37 C 00 19 48.54 +33 22 59.2 o K88
2021-12-26 17:54:13 C 00 19 48.95 +33 22 52.3 o K88
2021-12-26 17:54:49 C 00 19 49.34 +33 22 45.8 o K88
2021-12-26 17:55:26 C 00 19 49.76 +33 22 39.2 o K88
2021-12-26 17:56:02 C 00 19 50.17 +33 22 32.5 o K88
2021-12-26 17:56:39 C 00 19 50.57 +33 22 25.7 o K88
2021-12-26 17:57:15 C 00 19 50.98 +33 22 18.7 o K88
2021-12-26 17:57:52 C 00 19 51.40 +33 22 12.3 o K88
2021-12-26 18:58:28 C 00 20 33.04 +33 11 10.6 V C95
2021-12-26 19:03:05 C 00 20 36.08 +33 10 19.1 V C95
2021-12-26 19:07:43 C 00 20 39.12 +33 09 28.5 V C95
2021-12-26 19:12:22 C 00 20 42.35 +33 08 36.6 V C95
2021-12-26 23:06:41 C 00 23 22.63 +32 26 20.3 X Y00
2021-12-26 23:12:12 C 00 23 26.29 +32 25 17.7 X Y00
2021-12-26 23:17:33 C 00 23 29.87 +32 24 16.3 X Y00
2021-12-27 01:51:32 C 00 25 19.00 +31 54 05.4 V I52
2021-12-27 01:51:53 C 00 25 19.23 +31 54 01.3 V I52
2021-12-27 01:52:14 C 00 25 19.47 +31 53 57.3 V I52
2021-12-27 03:08:28 C 00 26 10.29 +31 39 17.8 V 703
2021-12-27 03:16:42 C 00 26 15.80 +31 37 42.3 V 703