2021 AO

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6450819356 ± 1.35e-04
Semi-major axis (a)2.6730414813 AU ± 1.03e-03
Inclination (i)4.16445277° ± 4.59e-04
Long. of Asc. Node (Ω)260.14137885° ± 1.61e-03
Arg. of Perihelion (ω)149.96554223° ± 1.85e-03
Mean Anomaly (M)49.91189055° ± 2.37e-01
Mean Motion (n)0.2255296929°/day ± 1.30e-04
Perihelion dist (q)0.94871071 AU ± 5.14e-04
Aphelion dist (Q)4.39737225 AU ± 1.73e-03
Orbital Period4.37027280 yr ± 2.52e-03
Physical Parameters
H (abs. magnitude)22.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.249″
Uncertainty3
Orbit TypeApollo
MOID0.005461 AU
Observations Used71
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-03
Last Observation Used2021-01-31
Observations (77)
Date Type RA Dec Mag Band Observatory
2021-01-10 05:22:41 C 04 23 54.32 +11 53 59.3 V G96
2021-01-10 05:30:00 C 04 23 56.77 +11 54 03.1 V G96
2021-01-11 02:36:35 C 04 31 00.73 +12 04 32.4 V I52
2021-01-11 02:43:51 C 04 31 03.05 +12 04 35.9 V I52
2021-01-11 09:32:32 C 04 33 12.386 +12 07 56.56 U F51
2021-01-11 09:49:22 C 04 33 17.615 +12 08 03.91 U F51
2021-01-12 02:30:46 C 04 38 34.83 +12 15 22.3 V V06
2021-01-12 02:32:42 C 04 38 35.38 +12 15 23.0 V V06
2021-01-12 02:34:37 C 04 38 35.97 +12 15 24.0 V V06
2021-01-12 02:36:32 C 04 38 36.52 +12 15 25.0 V V06
2021-01-12 04:47:13 C 04 39 15.35 +12 16 22.4 o 691
2021-01-12 04:58:07 C 04 39 18.57 +12 16 27.0 o 691
2021-01-12 05:09:00 C 04 39 21.82 +12 16 31.5 o 691
2021-01-13 03:10:30 C 04 45 57.64 +12 25 28.8 V I52
2021-01-13 03:14:08 C 04 45 58.67 +12 25 30.5 V I52
2021-01-13 03:17:46 C 04 45 59.66 +12 25 31.4 V I52
2021-01-13 06:48:53 C 04 46 58.82 +12 26 53.5 o 691
2021-01-13 07:00:29 C 04 47 02.02 +12 26 57.1 o 691
2021-01-13 07:12:05 C 04 47 05.31 +12 27 01.6 o 691
2021-01-14 07:29:11 C 04 53 54.39 +12 35 54.3 o 691
2021-01-14 08:06:25 C 04 54 04.32 +12 36 05.9 o 691
2021-01-14 09:24:50 C 04 54 26.394 +12 36 42.28 U F51
2021-01-14 09:41:43 C 04 54 30.825 +12 36 48.15 U F51
2021-01-14 10:15:18 C 04 54 39.670 +12 36 58.84 U F51
2021-01-31 06:59:23 C 06 10 01.44 +13 56 10.9 V 695
2021-01-31 07:18:52 C 06 10 03.83 +13 56 12.9 V 695
2021-01-31 07:38:21 C 06 10 06.28 +13 56 14.9 V 695