IAA RAS IAA Minor Planet Database

2021 AS2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7739104000
Semi-major axis (a)2.1611319000 AU
Inclination (i)0.69915000°
Long. of Asc. Node (Ω)109.52948000°
Arg. of Perihelion (ω)97.40003000°
Mean Anomaly (M)175.94884000°
Mean Motion (n)0.3102288300°/day
Perihelion dist (q)0.48860940 AU
Aphelion dist (Q)3.83365440 AU
Orbital Period3.17703440 yr
Physical Parameters
H (abs. magnitude)29.57
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.640″
Uncertainty9
Orbit TypeApollo
MOID2.836433 AU
Observations Used15
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-01-08
Observations (20)
Date Type RA Dec Mag Band Observatory
2021-01-08 07:49:02 C 07 49 23.33 +20 39 25.3 – V G96
2021-01-08 07:56:26 C 07 49 25.61 +20 39 27.1 – V G96
2021-01-08 08:03:51 C 07 49 27.84 +20 39 27.6 – V G96
2021-01-08 08:11:16 C 07 49 30.11 +20 39 28.8 – V G96
2021-01-08 09:34:03 C 07 49 57.54 +20 39 27.7 – V V06
2021-01-08 09:36:36 C 07 49 58.45 +20 39 27.4 – V V06
2021-01-08 09:39:10 C 07 49 59.38 +20 39 26.8 – V V06
2021-01-08 09:41:45 C 07 50 00.30 +20 39 26.7 – V V06
2021-01-08 12:00:55 C 07 51 01.03 +20 38 27.0 – V V06
2021-01-08 12:03:29 C 07 51 02.38 +20 38 25.5 – V V06
2021-01-08 12:06:02 C 07 51 03.71 +20 38 23.6 – V V06
2021-01-08 12:08:36 C 07 51 05.08 +20 38 21.9 – V V06
2021-01-08 19:58:39 C 08 00 30.43 +20 36 01.4 – V 104
2021-01-08 20:06:45 C 08 00 43.04 +20 36 07.2 – V 104
2021-01-08 20:19:54 C 08 01 03.91 +20 36 17.1 – V 104
2021-01-09 00:32:13 C 08 10 25.96 +20 35 52.8 – q 595
2021-01-09 00:35:54 C 08 10 37.94 +20 35 47.6 – q 595
2021-01-09 00:40:18 C 08 10 52.45 +20 35 41.9 – q 595
2021-01-09 00:43:58 C 08 11 04.75 +20 35 36.8 – q 595
2021-01-09 00:47:39 C 08 11 17.24 +20 35 31.4 – q 595