2021 AC

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0750630277 ± 9.66e-08
Semi-major axis (a)1.0367251614 AU ± 5.08e-08
Inclination (i)26.61838044° ± 1.49e-05
Long. of Asc. Node (Ω)285.21758285° ± 5.40e-07
Arg. of Perihelion (ω)251.42785916° ± 1.28e-05
Mean Anomaly (M)158.93091806° ± 1.13e-04
Mean Motion (n)0.9337203359°/day ± 6.86e-08
Perihelion dist (q)0.95890543 AU ± 1.11e-07
Aphelion dist (Q)1.11454489 AU ± 1.14e-07
Orbital Period1.05559046 yr ± 7.75e-08
Physical Parameters
H (abs. magnitude)23.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.209″
Uncertainty0
Orbit TypeApollo
MOID0.022807 AU
Observations Used135
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-02
Last Observation Used2021-07-04
Observations (144)
Date Type RA Dec Mag Band Observatory
2021-01-03 17:37:15 C 07 56 23.32 +52 43 30.3 V L01
2021-01-03 17:38:34 C 07 56 21.19 +52 42 58.0 V L01
2021-01-03 17:39:14 C 07 56 20.13 +52 42 42.0 V L01
2021-01-03 17:39:53 C 07 56 19.06 +52 42 25.8 V L01
2021-01-03 17:40:33 C 07 56 17.99 +52 42 09.9 V L01
2021-01-03 17:41:12 C 07 56 16.95 +52 41 53.7 V L01
2021-01-03 17:41:51 C 07 56 15.88 +52 41 37.6 V L01
2021-01-03 17:42:32 C 07 56 14.76 +52 41 21.0 V L01
2021-01-03 22:04:17 C 07 49 07.58 +50 50 03.3 V Z84
2021-01-03 22:12:54 C 07 48 53.12 +50 46 14.1 V Z84
2021-01-03 22:21:31 C 07 48 38.64 +50 42 24.1 V Z84
2021-01-03 22:30:08 C 07 48 24.16 +50 38 33.3 V Z84
2021-01-03 22:38:45 C 07 48 09.67 +50 34 41.9 V Z84
2021-01-03 22:47:38 C 07 47 54.72 +50 30 42.4 V Z84
2021-01-04 06:14:41 C 07 36 18.38 +46 53 04.8 U I41
2021-01-04 06:15:11 C 07 36 17.43 +46 52 49.7 U I41
2021-01-04 07:18:00 C 07 34 35.33 +46 20 26.7 U I41
2021-01-04 07:18:30 C 07 34 34.43 +46 20 11.1 U I41
2021-01-05 04:52:27 C 07 04 11.74 +33 05 39.5 V 703
2021-01-05 05:00:13 C 07 04 00.99 +33 00 19.0 V 703
2021-01-05 05:07:59 C 07 03 50.11 +32 54 56.8 V 703
2021-01-05 05:15:45 C 07 03 39.28 +32 49 35.7 V 703
2021-01-05 06:18:59 C 07 02 13.15 +32 05 17.2 U I41
2021-01-05 06:19:28 C 07 02 12.44 +32 04 55.8 U I41
2021-01-05 06:45:03 C 07 01 34.22 +31 47 06.7 V I52
2021-01-05 06:46:14 C 07 01 32.58 +31 46 16.9 V I52
2021-01-05 06:47:24 C 07 01 30.94 +31 45 27.1 V I52
2021-01-05 06:49:38 C 07 01 27.80 +31 43 52.1 V I52
2021-01-05 08:50:37 C 06 58 42.44 +30 17 06.5 U I41
2021-01-05 08:51:06 C 06 58 41.62 +30 16 45.1 U I41
2021-01-06 06:41:55 C 06 33 13.60 +13 33 00.1 U I41
2021-01-06 06:42:26 C 06 33 12.95 +13 32 36.5 U I41
2021-01-06 07:35:22 C 06 32 11.17 +12 51 07.1 U I41
2021-01-06 07:35:51 C 06 32 10.53 +12 50 43.6 U I41
2021-01-06 22:34:37 C 06 17 10.77 +01 23 45.4 V J95
2021-01-06 22:36:01 C 06 17 09.35 +01 22 44.1 V J95
2021-01-06 22:37:26 C 06 17 07.91 +01 21 41.5 V J95
2021-01-06 22:38:53 C 06 17 06.44 +01 20 38.3 V J95
2021-01-07 05:58:44 C 06 10 22.50 -03 49 46.9 V I52
2021-01-07 05:58:55 C 06 10 22.31 -03 49 54.7 V I52
2021-01-07 05:59:07 C 06 10 22.12 -03 50 02.8 V I52
2021-01-07 05:59:19 C 06 10 21.93 -03 50 10.8 V I52
2021-01-07 06:28:51 C 06 09 55.26 -04 10 27.8 U I41
2021-01-07 06:29:21 C 06 09 54.79 -04 10 48.1 U I41
2021-01-07 06:30:11 C 06 09 53.88 -04 11 22.3 U I41
2021-01-07 06:30:41 C 06 09 53.28 -04 11 41.5 U I41
2021-01-07 09:12:45 C 06 07 30.67 -05 59 41.2 V T05
2021-01-07 09:17:22 C 06 07 26.22 -06 02 44.7 V T05
2021-01-07 09:26:41 C 06 07 17.25 -06 08 55.5 V T05
2021-01-07 09:50:03 C 06 06 54.80 -06 24 21.0 V T05