2021 AA

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5922918248 ± 2.00e+00
Semi-major axis (a)1.0151440963 AU ± 3.00e+00
Inclination (i)24.11607709° ± 4.00e+00
Long. of Asc. Node (Ω)100.96702420° ± 5.00e+00
Arg. of Perihelion (ω)236.22027365° ± 6.00e+00
Mean Anomaly (M)332.54193579° ± 8.89e-02
Mean Motion (n)0.9636385600°/day ± 4.27e+00
Perihelion dist (q)0.41386720 AU ± 2.37e+00
Aphelion dist (Q)1.61641580 AU ± 5.19e+00
Orbital Period1.02279800 yr ± 4.53e+00
Physical Parameters
H (abs. magnitude)26.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.297″
Uncertainty2
Orbit TypeApollo
MOID0.000585 AU
Observations Used25
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-01-03
Observations (25)
Date Type RA Dec Mag Band Observatory
2021-01-02 06:39:32 C 03 54 58.32 +46 45 12.8 V G96
2021-01-02 06:47:21 C 03 55 19.43 +46 46 41.2 V G96
2021-01-02 06:55:14 C 03 55 40.42 +46 48 07.4 V G96
2021-01-02 07:03:03 C 03 56 00.91 +46 49 31.3 V G96
2021-01-02 07:36:58 C 03 57 27.68 +46 55 14.7 V I52
2021-01-02 07:37:31 C 03 57 29.09 +46 55 19.7 V I52
2021-01-02 07:38:03 C 03 57 30.38 +46 55 24.9 V I52
2021-01-02 07:38:36 C 03 57 31.72 +46 55 30.3 V I52
2021-01-02 08:31:33 C 03 59 39.66 +47 03 21.0 V I52
2021-01-02 08:32:22 C 03 59 41.57 +47 03 27.4 V I52
2021-01-02 08:33:12 C 03 59 43.49 +47 03 34.2 V I52
2021-01-02 08:34:00 C 03 59 45.40 +47 03 41.1 V I52
2021-01-02 09:02:35 C 04 00 51.09 +47 07 26.4 V I52
2021-01-02 09:03:24 C 04 00 52.93 +47 07 33.0 V I52
2021-01-02 09:04:13 C 04 00 54.77 +47 07 38.6 V I52
2021-01-02 09:05:02 C 04 00 56.60 +47 07 44.9 V I52
2021-01-02 18:23:34 C 04 17 18.66 +48 05 46.1 V L04
2021-01-02 18:35:02 C 04 17 29.69 +48 06 35.4 V L04
2021-01-02 18:46:16 C 04 17 40.26 +48 07 21.5 V L04
2021-01-03 00:57:39 C 04 23 35.69 +48 26 04.2 q H36
2021-01-03 01:09:15 C 04 23 43.03 +48 26 40.8 q H36
2021-01-03 01:21:00 C 04 23 50.36 +48 27 17.9 q H36
2021-01-03 02:35:04 C 04 24 43.52 +48 30 58.5 V I52
2021-01-03 02:35:55 C 04 24 43.96 +48 31 00.9 V I52
2021-01-03 02:36:46 C 04 24 44.45 +48 31 03.0 V I52