2021 AS

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8308808476 ± 1.97e-03
Semi-major axis (a)2.5725902489 AU ± 2.17e-02
Inclination (i)27.64175070° ± 8.89e-02
Long. of Asc. Node (Ω)57.95873218° ± 7.75e-02
Arg. of Perihelion (ω)169.26865456° ± 8.63e-02
Mean Anomaly (M)51.42078587° ± 5.67e+00
Mean Motion (n)0.2388671058°/day ± 3.03e-03
Perihelion dist (q)0.43507428 AU ± 6.26e-03
Aphelion dist (Q)4.71010622 AU ± 4.01e-02
Orbital Period4.12625372 yr ± 5.23e-02
Physical Parameters
H (abs. magnitude)20.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.286″
Uncertainty4
Orbit TypeApollo
MOID0.427358 AU
Observations Used26
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-02
Last Observation Used2021-01-10
Observations (28)
Date Type RA Dec Mag Band Observatory
2021-01-02 11:47:26 C 14 58 18.32 +47 49 01.8 V G96
2021-01-02 11:54:52 C 14 58 21.98 +47 48 47.5 V G96
2021-01-02 12:02:18 C 14 58 25.52 +47 48 33.1 V G96
2021-01-02 12:09:43 C 14 58 29.25 +47 48 17.7 V G96
2021-01-02 12:57:39 C 14 58 52.86 +47 46 43.3 V V06
2021-01-02 13:00:51 C 14 58 54.46 +47 46 36.9 V V06
2021-01-02 13:04:04 C 14 58 56.04 +47 46 30.7 V V06
2021-01-02 13:07:16 C 14 58 57.61 +47 46 24.3 V V06
2021-01-03 12:14:43 C 15 10 22.66 +46 57 16.2 V I52
2021-01-03 12:19:34 C 15 10 25.03 +46 57 05.1 V I52
2021-01-03 12:24:24 C 15 10 27.38 +46 56 54.9 V I52
2021-01-03 12:29:15 C 15 10 29.76 +46 56 44.0 V I52
2021-01-04 11:19:29 C 15 21 36.09 +46 03 17.9 V V06
2021-01-04 11:21:24 C 15 21 37.02 +46 03 13.3 V V06
2021-01-04 11:23:19 C 15 21 37.93 +46 03 09.0 V V06
2021-01-05 12:34:13 C 15 33 37.96 +44 58 53.7 V G96
2021-01-05 12:36:19 C 15 33 38.95 +44 58 47.9 V G96
2021-01-05 12:40:09 C 15 33 40.71 +44 58 38.2 V G96
2021-01-05 12:55:02 C 15 33 47.69 +44 57 58.7 V G96
2021-01-05 12:56:07 C 15 33 48.13 +44 57 56.1 V G96
2021-01-05 12:57:12 C 15 33 48.63 +44 57 53.6 V G96
2021-01-09 13:03:28 C 16 16 40.34 +40 04 48.9 V I52
2021-01-09 13:07:06 C 16 16 41.79 +40 04 35.4 V I52
2021-01-09 13:08:54 C 16 16 42.60 +40 04 30.3 V I52
2021-01-10 12:58:10 C 16 26 30.71 +38 41 48.0 V I52
2021-01-10 13:00:36 C 16 26 31.69 +38 41 40.6 V I52
2021-01-10 13:03:01 C 16 26 32.69 +38 41 32.6 V I52
2021-01-10 13:05:26 C 16 26 33.64 +38 41 23.5 V I52