2021 CU

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2207978686 ± 1.84e-05
Semi-major axis (a)1.2564556574 AU ± 2.86e-05
Inclination (i)4.28115118° ± 3.31e-04
Long. of Asc. Node (Ω)140.27511405° ± 7.02e-05
Arg. of Perihelion (ω)32.44936315° ± 1.89e-04
Mean Anomaly (M)121.05118610° ± 4.11e-02
Mean Motion (n)0.6998283423°/day ± 2.39e-05
Perihelion dist (q)0.97903293 AU ± 3.22e-05
Aphelion dist (Q)1.53387839 AU ± 4.20e-05
Orbital Period1.40838292 yr ± 4.82e-05
Physical Parameters
H (abs. magnitude)26.67
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.296″
Uncertainty2
Orbit TypeApollo
MOID0.012409 AU
Observations Used87
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-06
Last Observation Used2021-02-20
Observations (100)
Date Type RA Dec Mag Band Observatory
2021-02-11 02:15:20 C 09 12 40.19 +22 54 12.3 V 204
2021-02-12 01:08:42 C 09 34 56.38 +27 15 10.5 V Z99
2021-02-12 01:09:59 C 09 34 57.92 +27 15 28.7 V Z99
2021-02-12 01:11:17 C 09 34 58.92 +27 15 41.5 V Z99
2021-02-12 01:11:57 C 09 34 59.90 +27 15 52.0 V Z99
2021-02-12 01:13:50 C 09 35 01.52 +27 16 12.8 V Z99
2021-02-12 01:14:01 C 09 35 01.95 +27 16 17.1 V Z99
2021-02-12 01:16:14 C 09 35 04.17 +27 16 43.5 V Z99
2021-02-12 01:16:24 C 09 35 04.07 +27 16 43.8 V Z99
2021-02-12 01:17:41 C 09 35 05.65 +27 17 01.4 V Z99
2021-02-12 01:18:59 C 09 35 06.63 +27 17 14.8 V Z99
2021-02-12 05:55:26 C 09 40 44.67 +28 17 49.3 V I52
2021-02-12 05:55:37 C 09 40 44.86 +28 17 52.0 V I52
2021-02-12 05:55:48 C 09 40 45.07 +28 17 54.6 V I52
2021-02-12 05:55:59 C 09 40 45.27 +28 17 57.0 V I52
2021-02-12 11:18:54 C 09 46 54.42 +29 29 23.6 V T08
2021-02-12 11:26:19 C 09 47 02.39 +29 30 57.5 V T08
2021-02-12 11:40:34 C 09 47 17.83 +29 33 59.8 V T08
2021-02-12 22:41:16 C 10 02 25.41 +31 55 59.9 o K88
2021-02-12 22:42:17 C 10 02 26.74 +31 56 13.1 o K88
2021-02-12 22:43:23 C 10 02 28.01 +31 56 26.5 o K88
2021-02-12 23:23:06 C 10 03 24.17 +32 05 12.5 V K61
2021-02-12 23:24:29 C 10 03 25.97 +32 05 31.3 V K61
2021-02-12 23:26:06 C 10 03 28.16 +32 05 53.0 V K61
2021-02-12 23:58:06 C 10 04 12.58 +32 13 09.3 V K87
2021-02-13 00:00:07 C 10 04 15.30 +32 13 36.2 V K87
2021-02-13 10:07:41 C 10 19 48.10 +34 35 39.9 V I52
2021-02-13 10:07:52 C 10 19 48.37 +34 35 42.4 V I52
2021-02-13 10:08:03 C 10 19 48.67 +34 35 45.1 V I52
2021-02-13 10:08:15 C 10 19 48.97 +34 35 47.7 V I52
2021-02-13 12:10:45 C 10 23 25.18 +35 07 00.2 V T08
2021-02-13 12:14:45 C 10 23 31.25 +35 07 54.0 V T08
2021-02-13 12:24:02 C 10 23 45.37 +35 09 59.8 V T08
2021-02-13 20:12:15 C 10 38 34.63 +36 50 31.9 V 033
2021-02-13 20:12:46 C 10 38 35.51 +36 50 39.1 V 033
2021-02-13 20:13:15 C 10 38 36.42 +36 50 46.5 V 033
2021-02-15 09:39:39 C 12 04 50.79 +44 24 01.1 V I52
2021-02-15 09:39:50 C 12 04 51.26 +44 24 03.0 V I52
2021-02-15 09:40:02 C 12 04 51.75 +44 24 04.3 V I52
2021-02-15 09:40:13 C 12 04 52.20 +44 24 06.4 V I52
2021-02-17 11:39:49 C 14 23 45.56 +46 17 14.7 V I52
2021-02-17 11:42:47 C 14 23 52.35 +46 17 03.7 V I52
2021-02-17 11:45:45 C 14 23 59.20 +46 16 52.2 V I52
2021-02-17 11:46:19 C 14 24 00.46 +46 16 50.4 V I52
2021-02-19 12:57:09 C 16 00 43.66 +40 52 38.7 V I52
2021-02-19 12:58:34 C 16 00 45.45 +40 52 27.9 V I52
2021-02-19 13:00:00 C 16 00 47.26 +40 52 16.9 V I52
2021-02-20 12:29:24 C 16 30 22.33 +37 52 05.5 V I52
2021-02-20 12:33:39 C 16 30 26.29 +37 51 34.8 V I52
2021-02-20 12:35:47 C 16 30 28.32 +37 51 20.5 V I52