2021 YC

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2236672799 ± 2.33e-05
Semi-major axis (a)1.2772783337 AU ± 3.91e-05
Inclination (i)6.63845629° ± 6.05e-04
Long. of Asc. Node (Ω)85.89261693° ± 4.35e-05
Arg. of Perihelion (ω)351.39747916° ± 2.36e-04
Mean Anomaly (M)264.60658989° ± 4.53e-02
Mean Motion (n)0.6827849788°/day ± 3.14e-05
Perihelion dist (q)0.99159296 AU ± 4.26e-05
Aphelion dist (Q)1.56296370 AU ± 5.64e-05
Orbital Period1.44353832 yr ± 6.64e-05
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.279″
Uncertainty2
Orbit TypeApollo
MOID0.008632 AU
Observations Used64
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-17
Last Observation Used2022-01-13
Observations (67)
Date Type RA Dec Mag Band Observatory
2021-12-17 08:43:48 C 07 13 07.08 +17 21 17.6 V T08
2021-12-17 08:59:38 C 07 13 27.31 +17 29 33.9 V T08
2021-12-17 09:06:19 C 07 13 35.85 +17 33 03.7 V T08
2021-12-17 09:11:38 C 07 13 42.59 +17 35 49.2 V T08
2021-12-17 12:34:05 C 07 17 49.24 +19 18 16.7 V T08
2021-12-17 12:34:45 C 07 17 50.07 +19 18 35.7 V T08
2021-12-17 12:35:25 C 07 17 50.85 +19 18 55.3 V T08
2021-12-17 12:36:05 C 07 17 51.63 +19 19 15.1 V T08
2021-12-17 12:36:44 C 07 17 52.42 +19 19 34.0 V T08
2021-12-17 14:52:27 C 07 21 28.97 +20 36 45.3 V Q62
2021-12-17 14:55:28 C 07 21 32.66 +20 38 14.4 V Q62
2021-12-17 14:57:33 C 07 21 35.16 +20 39 14.4 V Q62
2021-12-17 20:39:53 C 07 30 14.63 +23 00 26.1 q C77
2021-12-17 20:42:51 C 07 30 18.55 +23 01 49.6 q C77
2021-12-17 20:54:29 C 07 30 34.41 +23 07 17.4 q C77
2021-12-17 20:58:11 C 07 30 39.19 +23 09 00.2 q C77
2021-12-17 21:13:38 C 07 30 58.46 +23 16 04.8 V 203
2021-12-17 21:20:19 C 07 31 07.22 +23 19 10.6 V 203
2021-12-17 21:26:33 C 07 31 15.43 +23 22 04.8 V 203
2021-12-17 21:45:45 C 07 31 45.81 +23 30 45.2 X 958
2021-12-17 21:49:55 C 07 31 51.32 +23 32 41.2 X 958
2021-12-17 21:54:06 C 07 31 56.80 +23 34 36.9 X 958
2021-12-17 22:20:43 C 07 32 25.42 +23 46 56.8 V 204
2021-12-17 22:22:33 C 07 32 27.77 +23 47 47.4 V 204
2021-12-17 22:24:24 C 07 32 30.13 +23 48 38.2 V 204
2021-12-17 23:14:58 C 07 33 30.91 +24 11 49.5 V L01
2021-12-17 23:16:07 C 07 33 32.32 +24 12 20.6 V L01
2021-12-17 23:17:15 C 07 33 33.74 +24 12 51.0 V L01
2021-12-17 23:18:24 C 07 33 35.14 +24 13 21.6 V L01
2021-12-17 23:19:33 C 07 33 36.57 +24 13 52.3 V L01
2021-12-17 23:42:59 C 07 34 05.56 +24 24 11.5 X 595
2021-12-17 23:47:02 C 07 34 10.59 +24 25 59.5 X 595
2021-12-17 23:49:47 C 07 34 17.08 +24 27 08.4 V K38
2021-12-17 23:51:06 C 07 34 15.56 +24 27 47.7 X 595
2021-12-18 00:06:46 C 07 34 38.19 +24 34 37.7 V K38
2021-12-18 00:12:55 C 07 34 45.68 +24 37 21.5 V K38
2021-12-19 22:15:49 C 08 34 19.08 +39 36 30.2 V 203
2021-12-19 22:26:52 C 08 34 30.77 +39 39 13.2 V 203
2021-12-19 22:38:16 C 08 34 42.69 +39 42 00.5 V 203
2021-12-20 00:44:44 C 08 36 52.86 +40 12 03.4 X C95
2021-12-20 00:51:22 C 08 36 59.35 +40 13 35.4 X C95
2021-12-20 00:58:05 C 08 37 05.95 +40 15 06.3 X C95
2021-12-20 01:04:44 C 08 37 12.44 +40 16 37.7 X C95
2021-12-20 01:17:06 C 08 37 24.43 +40 19 24.2 X C95
2021-12-20 01:35:23 C 08 37 42.08 +40 23 29.9 X C95
2021-12-20 01:41:28 C 08 37 47.99 +40 24 51.2 X C95
2021-12-20 07:08:43 C 08 44 17.06 +41 33 40.9 V 290
2021-12-20 07:10:13 C 08 44 18.48 +41 34 00.4 V 290
2021-12-20 07:22:42 C 08 44 30.38 +41 36 42.8 V 290
2021-12-20 07:24:55 C 08 44 32.48 +41 37 11.4 V 290