IAA RAS IAA Minor Planet Database

2021 CD1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3581186659 ± 1.18e-04
Semi-major axis (a)0.8960803201 AU ± 6.70e-05
Inclination (i)25.25240571° ± 1.53e-02
Long. of Asc. Node (Ω)320.66121687° ± 9.46e-04
Arg. of Perihelion (ω)319.06022276° ± 1.06e-02
Mean Anomaly (M)124.52818273° ± 1.98e-01
Mean Motion (n)1.1619618441°/day ± 1.30e-04
Perihelion dist (q)0.57517723 AU ± 1.14e-04
Aphelion dist (Q)1.21698341 AU ± 1.39e-04
Orbital Period0.84824324 yr ± 9.51e-05
Physical Parameters
H (abs. magnitude)24.13
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.291″
Uncertainty3
Orbit TypeAten
MOID0.064448 AU
Observations Used45
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-05
Last Observation Used2021-02-19
Observations (45)
Date Type RA Dec Mag Band Observatory
2021-02-05 08:39:14 C 11 17 08.69 +12 17 01.2 – V 703
2021-02-05 08:55:44 C 11 17 02.71 +12 15 34.1 – V 703
2021-02-05 10:31:26 C 11 16 27.99 +12 06 57.9 – V G96
2021-02-05 10:38:45 C 11 16 25.32 +12 06 18.1 – V G96
2021-02-06 08:07:33 C 11 08 35.67 +10 01 40.4 – V G96
2021-02-06 08:14:57 C 11 08 32.65 +10 00 54.8 – V G96
2021-02-06 08:22:23 C 11 08 29.61 +10 00 09.0 – V G96
2021-02-06 08:29:48 C 11 08 26.48 +09 59 22.2 – V G96
2021-02-06 09:33:30 C 11 08 00.22 +09 52 46.6 – V I52
2021-02-06 09:35:19 C 11 07 59.45 +09 52 35.1 – V I52
2021-02-06 09:37:08 C 11 07 58.71 +09 52 23.6 – V I52
2021-02-06 11:05:53 C 11 07 21.80 +09 43 05.2 – V I52
2021-02-06 11:07:41 C 11 07 21.03 +09 42 53.5 – V I52
2021-02-06 11:09:30 C 11 07 20.28 +09 42 42.1 – V I52
2021-02-06 14:22:48 C 11 06 05.50 +09 23 57.6 – V 474
2021-02-06 14:25:25 C 11 06 04.41 +09 23 41.1 – V 474
2021-02-06 14:28:01 C 11 06 03.30 +09 23 24.2 – V 474
2021-02-06 14:30:38 C 11 06 02.19 +09 23 07.3 – V 474
2021-02-07 07:11:59 C 10 59 00.28 +07 28 00.1 – V I52
2021-02-07 07:12:52 C 10 58 59.85 +07 27 53.9 – V I52
2021-02-07 07:13:45 C 10 58 59.44 +07 27 47.6 – V I52
2021-02-09 21:41:58 C 10 25 28.35 -01 35 25.1 – V 033
2021-02-09 21:42:48 C 10 25 27.82 -01 35 33.5 – V 033
2021-02-09 21:43:37 C 10 25 27.27 -01 35 42.1 – V 033
2021-02-09 21:44:33 C 10 25 26.67 -01 35 51.6 – V 033
2021-02-11 00:12:57 C 10 07 03.13 -06 29 07.0 – V 204
2021-02-11 00:27:13 C 10 06 52.12 -06 31 56.0 – V 204
2021-02-11 00:41:18 C 10 06 41.22 -06 34 42.0 – V 204
2021-02-11 10:21:06 C 09 59 17.112 -08 30 32.05 – U F51
2021-02-11 10:36:27 C 09 59 04.441 -08 33 40.92 – U F51
2021-02-11 10:47:32 C 09 58 50.06 -08 36 13.6 – V I52
2021-02-11 10:49:48 C 09 58 48.26 -08 36 41.5 – V I52
2021-02-11 10:51:27 C 09 58 46.88 -08 37 01.8 – V I52
2021-02-11 10:51:44 C 09 58 46.71 -08 37 05.6 – V I52
2021-02-12 09:39:49 C 09 39 38.309 -13 28 38.65 – U F51
2021-02-12 10:35:54 C 09 38 45.820 -13 41 01.68 – U F51
2021-02-13 09:41:12 C 09 16 37.41 -18 52 50.2 – V I52
2021-02-13 09:41:46 C 09 16 36.77 -18 52 56.9 – V I52
2021-02-13 09:42:20 C 09 16 36.20 -18 53 04.8 – V I52
2021-02-13 09:42:54 C 09 16 35.66 -18 53 12.3 – V I52
2021-02-18 10:01:00 C 06 52 38.12 -40 49 53.4 – V 474
2021-02-18 10:04:34 C 06 52 33.59 -40 50 16.2 – V 474
2021-02-19 09:23:34 C 06 24 25.51 -42 58 42.8 – V 474
2021-02-19 09:35:06 C 06 24 11.64 -42 59 35.6 – V 474
2021-02-19 09:42:14 C 06 24 03.07 -43 00 08.4 – V 474