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
2021-01-02 08:13:56 C 08 54 13.80 +63 10 27.6 V 703
2021-01-02 08:22:00 C 08 53 58.14 +63 08 43.2 V 703
2021-01-02 08:30:05 C 08 53 42.50 +63 06 57.7 V 703
2021-01-02 08:38:10 C 08 53 27.08 +63 05 12.4 V 703
2021-01-02 09:09:29 C 08 52 26.37 +62 58 16.5 V I52
2021-01-02 09:09:45 C 08 52 25.83 +62 58 13.0 V I52
2021-01-02 09:10:02 C 08 52 25.25 +62 58 09.2 V I52
2021-01-02 09:10:19 C 08 52 24.74 +62 58 05.6 V I52
2021-01-02 10:32:20 C 08 49 46.23 +62 39 20.8 V I52
2021-01-02 10:32:36 C 08 49 45.65 +62 39 16.8 V I52
2021-01-02 10:32:53 C 08 49 45.18 +62 39 13.1 V I52
2021-01-02 10:33:09 C 08 49 44.61 +62 39 09.1 V I52
2021-01-02 13:02:03 C 08 45 01.36 +62 02 49.2 V I52
2021-01-02 13:02:19 C 08 45 00.86 +62 02 45.1 V I52
2021-01-02 13:02:36 C 08 45 00.37 +62 02 40.9 V I52
2021-01-02 13:02:53 C 08 44 59.83 +62 02 36.6 V I52
2021-01-02 13:19:55 C 08 45 14.33 +61 58 27.0 q 900
2021-01-02 13:29:27 C 08 44 56.42 +61 56 13.4 q 900
2021-01-02 13:38:58 C 08 44 38.64 +61 53 58.7 q 900
2021-01-02 17:14:19 C 08 38 14.75 +60 56 17.9 V L04
2021-01-02 17:33:27 C 08 37 40.98 +60 51 25.8 V L04
2021-01-02 17:39:08 C 08 37 30.97 +60 49 58.2 V L04
2021-01-03 06:14:09 C 08 15 23.20 +57 05 16.2 V I52
2021-01-03 06:14:24 C 08 15 22.75 +57 05 11.3 V I52
2021-01-03 06:14:38 C 08 15 22.34 +57 05 06.5 V I52
2021-01-03 06:14:52 C 08 15 21.91 +57 05 01.9 V I52
2021-01-03 08:20:36 C 08 11 35.80 +56 21 59.2 U I41
2021-01-03 08:21:05 C 08 11 34.80 +56 21 48.8 U I41
2021-01-03 08:23:18 C 08 11 30.74 +56 21 04.0 U I41
2021-01-03 08:23:47 C 08 11 29.77 +56 20 53.6 U I41
2021-01-03 10:17:53 C 08 08 02.74 +55 39 39.7 U I41
2021-01-03 10:18:23 C 08 08 01.87 +55 39 28.2 U I41
2021-01-03 12:01:09 C 08 05 14.445 +55 02 15.09 V F51
2021-01-03 12:17:57 C 08 04 44.040 +54 55 50.61 V F51
2021-01-03 12:34:45 C 08 04 13.729 +54 49 23.17 V F51
2021-01-03 12:51:30 C 08 03 43.545 +54 42 53.35 V F51
2021-01-03 16:22:21 C 07 58 24.95 +53 17 22.0 V N51
2021-01-03 16:24:32 C 07 58 21.23 +53 16 29.8 V N51
2021-01-03 16:26:41 C 07 58 17.46 +53 15 37.3 V N51
2021-01-03 16:35:18 C 07 58 02.62 +53 12 11.0 V N51
2021-01-03 16:46:23 C 07 57 38.51 +53 07 18.0 V N88
2021-01-03 16:46:52 C 07 57 37.75 +53 07 04.0 V N88
2021-01-03 16:47:28 C 07 57 36.57 +53 06 49.8 V N88
2021-01-03 16:47:59 C 07 57 35.64 +53 06 38.4 V N88
2021-01-03 16:48:25 C 07 57 34.98 +53 06 27.2 V N88
2021-01-03 17:27:47 C 07 56 38.43 +52 47 45.2 V L04
2021-01-03 17:32:40 C 07 56 30.45 +52 45 46.7 V L04
2021-01-03 17:35:57 C 07 56 25.45 +52 44 01.9 V L01
2021-01-03 17:36:35 C 07 56 24.41 +52 43 46.3 V L01
2021-01-03 17:36:43 C 07 56 23.83 +52 44 07.9 V L04