2021 YM

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7694370217 ± 4.48e-08
Semi-major axis (a)2.4524237678 AU ± 3.92e-08
Inclination (i)9.88404470° ± 7.32e-06
Long. of Asc. Node (Ω)319.34061470° ± 3.83e-05
Arg. of Perihelion (ω)33.20270917° ± 4.00e-05
Mean Anomaly (M)18.71451797° ± 9.26e-06
Mean Motion (n)0.2566368414°/day ± 6.15e-09
Perihelion dist (q)0.56543813 AU ± 1.10e-07
Aphelion dist (Q)4.33940941 AU ± 1.30e-07
Orbital Period3.84054868 yr ± 9.20e-08
Physical Parameters
H (abs. magnitude)18.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.213″
Uncertainty0
Orbit TypeApollo
MOID0.143573 AU
Observations Used221
Oppositions11
Arc Total2011-2026
First Observation Used2011-01-30
Last Observation Used2026-01-12
Observations (230)
Date Type RA Dec Mag Band Observatory
2022-01-02 19:57:15 C 02 42 59.60 +49 25 05.4 q J69
2022-01-02 20:05:45 C 02 43 04.10 +49 24 47.2 q J69
2022-01-03 05:59:30 C 02 48 13.99 +49 03 11.1 V V06
2022-01-03 05:59:47 C 02 48 14.14 +49 03 10.5 V V06
2022-01-03 06:00:03 C 02 48 14.27 +49 03 09.8 V V06
2022-01-03 06:00:20 C 02 48 14.41 +49 03 09.2 V V06
2022-01-04 02:24:31 C 02 58 16.17 +48 18 18.0 V I52
2022-01-04 02:39:18 C 02 58 22.91 +48 17 45.9 V I52
2022-01-04 02:54:05 C 02 58 29.65 +48 17 13.6 V I52
2022-01-04 03:08:52 C 02 58 36.37 +48 16 40.9 V I52
2022-01-04 23:56:14 C 03 07 51.73 +47 31 04.6 V W46
2022-01-05 00:22:15 C 03 08 02.46 +47 30 09.0 V W46
2022-01-05 00:36:40 C 03 08 08.44 +47 29 38.2 V W46
2022-01-06 04:55:59 C 03 19 24.03 +46 28 43.0 V I52
2022-01-06 04:58:39 C 03 19 25.00 +46 28 37.3 V I52
2022-01-06 05:07:35 C 03 19 28.26 +46 28 18.1 V I52
2022-01-06 05:21:24 C 03 19 33.33 +46 27 48.5 V I52
2022-01-06 18:34:09 C 03 24 23.22 +45 59 55.1 X K87
2022-01-06 18:42:26 C 03 24 26.15 +45 59 37.6 X K87
2022-01-06 18:50:43 C 03 24 29.03 +45 59 20.5 X K87
2022-01-06 20:02:22 C 03 24 53.77 +45 56 51.6 V K74
2022-01-06 20:06:31 C 03 24 55.22 +45 56 42.8 V K74
2022-01-06 20:09:35 C 03 24 56.29 +45 56 36.2 V K74
2022-01-08 02:19:51 C 03 34 56.88 +44 55 18.2 V I52
2022-01-08 02:23:57 C 03 34 58.13 +44 55 10.2 V I52
2022-01-08 02:27:17 C 03 34 59.14 +44 55 03.6 V I52
2022-01-08 02:28:50 C 03 34 59.62 +44 55 00.5 V I52
2022-01-09 03:12:02 C 03 42 20.44 +44 06 50.8 V I52
2022-01-09 03:25:47 C 03 42 24.23 +44 06 24.7 V I52
2022-01-09 03:34:51 C 03 42 26.73 +44 06 07.5 V I52
2022-01-09 09:06:03 C 03 43 58.34 +43 55 41.3 V T05
2022-01-09 09:13:59 C 03 44 00.52 +43 55 25.9 V T05
2022-01-09 09:31:11 C 03 44 05.15 +43 54 52.7 V T05
2022-01-10 00:38:07 C 03 48 12.02 +43 26 39.0 u H21
2022-01-10 00:42:01 C 03 48 13.03 +43 26 32.0 u H21
2022-01-10 00:46:02 C 03 48 14.05 +43 26 24.9 u H21
2022-01-10 00:50:36 C 03 48 15.22 +43 26 16.5 u H21
2022-01-10 02:38:21 C 03 48 43.36 +43 23 02.3 V I52
2022-01-10 02:43:16 C 03 48 44.60 +43 22 53.3 V I52
2022-01-10 02:45:15 C 03 48 45.10 +43 22 49.8 V I52
2022-01-10 02:47:02 C 03 48 45.57 +43 22 46.5 V I52
2022-01-10 23:59:12 C 03 54 05.73 +42 44 41.3 u H21
2022-01-11 00:03:14 C 03 54 06.68 +42 44 34.3 u H21
2022-01-11 00:07:16 C 03 54 07.63 +42 44 27.4 u H21
2022-01-11 00:10:13 C 03 54 08.33 +42 44 22.3 u H21
2022-01-11 07:25:36 C 03 55 51.36 +42 31 52.9 V T08
2022-01-11 07:30:14 C 03 55 52.38 +42 31 44.6 V T08
2022-01-11 07:39:32 C 03 55 54.54 +42 31 28.3 V T08
2022-01-11 07:55:29 C 03 55 58.15 +42 30 59.9 V T08
2022-01-12 06:23:30 C 04 01 04.49 +41 52 51.1 V I52