2021 AA1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1528327554 ± 1.26e-04
Semi-major axis (a)0.9805550778 AU ± 8.24e-05
Inclination (i)17.27517498° ± 1.98e-02
Long. of Asc. Node (Ω)285.98583364° ± 7.20e-05
Arg. of Perihelion (ω)303.55088484° ± 2.38e-02
Mean Anomaly (M)258.12676835° ± 1.90e-01
Mean Motion (n)1.0150893858°/day ± 1.28e-04
Perihelion dist (q)0.83069414 AU ± 1.42e-04
Aphelion dist (Q)1.13041601 AU ± 1.56e-04
Orbital Period0.97097487 yr ± 1.22e-04
Physical Parameters
H (abs. magnitude)26.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.331″
Uncertainty3
Orbit TypeAten
MOID0.055780 AU
Observations Used32
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-04
Last Observation Used2021-01-12
Observations (32)
Date Type RA Dec Mag Band Observatory
2021-01-04 09:03:02 C 07 26 25.44 +30 38 41.7 V G96
2021-01-04 09:10:29 C 07 26 21.97 +30 37 38.7 V G96
2021-01-04 09:17:57 C 07 26 18.54 +30 36 35.2 V G96
2021-01-04 09:25:24 C 07 26 15.09 +30 35 31.4 V G96
2021-01-04 11:24:49 C 07 25 20.59 +30 18 21.3 V I52
2021-01-04 11:28:27 C 07 25 18.93 +30 17 49.5 V I52
2021-01-04 11:32:05 C 07 25 17.30 +30 17 18.2 V I52
2021-01-04 11:35:43 C 07 25 15.69 +30 16 46.5 V I52
2021-01-04 12:01:54 C 07 25 08.70 +30 13 51.4 o F65
2021-01-04 12:03:24 C 07 25 07.99 +30 13 38.2 o F65
2021-01-04 12:04:38 C 07 25 07.42 +30 13 28.4 o F65
2021-01-04 12:06:11 C 07 25 06.69 +30 13 15.2 o F65
2021-01-04 23:12:41 C 07 20 23.01 +28 35 09.2 V L01
2021-01-04 23:14:58 C 07 20 21.96 +28 34 49.6 V L01
2021-01-05 06:00:09 C 07 17 29.43 +27 33 49.3 V I52
2021-01-05 06:01:37 C 07 17 28.75 +27 33 36.3 V I52
2021-01-05 06:10:45 C 07 17 22.19 +27 32 02.6 q H36
2021-01-05 06:31:46 C 07 17 12.35 +27 28 47.9 q H36
2021-01-05 06:52:45 C 07 17 02.57 +27 25 33.9 q H36
2021-01-06 06:10:53 C 07 06 52.32 +23 40 09.8 V I52
2021-01-06 06:12:58 C 07 06 51.35 +23 39 48.4 V I52
2021-01-06 06:17:24 C 07 06 49.24 +23 39 04.7 V I52
2021-01-07 06:00:27 C 06 56 17.87 +19 29 38.6 V I52
2021-01-07 06:01:51 C 06 56 17.23 +19 29 23.9 V I52
2021-01-07 06:03:17 C 06 56 16.49 +19 29 08.3 V I52
2021-01-07 06:04:42 C 06 56 15.81 +19 28 52.5 V I52
2021-01-11 00:04:36 C 06 16 18.76 +01 43 22.5 V 033
2021-01-11 00:05:51 C 06 16 18.19 +01 43 07.4 V 033
2021-01-11 00:07:06 C 06 16 17.62 +01 42 52.2 V 033
2021-01-11 00:08:21 C 06 16 17.04 +01 42 37.1 V 033
2021-01-12 08:42:17 C 06 02 19.15 -04 48 11.6 V V06
2021-01-12 08:53:21 C 06 02 14.21 -04 50 21.2 V V06