IAA RAS IAA Minor Planet Database

2021 AK

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0831652000
Semi-major axis (a)1.0291502000 AU
Inclination (i)24.69892000°
Long. of Asc. Node (Ω)99.87610000°
Arg. of Perihelion (ω)222.73746000°
Mean Anomaly (M)14.50315000°
Mean Motion (n)0.9440303000°/day
Perihelion dist (q)0.94356070 AU
Aphelion dist (Q)1.11473970 AU
Orbital Period1.04404240 yr
Physical Parameters
H (abs. magnitude)24.27
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.830″
Uncertainty8
Orbit TypeApollo
MOID0.054418 AU
Observations Used17
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-01-04
Observations (17)
Date Type RA Dec Mag Band Observatory
2020-12-22 07:35:41 C 06 33 45.42 -15 03 15.6 – V G96
2020-12-22 07:43:45 C 06 33 43.56 -15 02 17.4 – V G96
2020-12-22 07:51:50 C 06 33 41.64 -15 01 17.9 – V G96
2021-01-04 04:35:12 C 05 18 14.67 +29 38 45.1 – V G96
2021-01-04 04:42:36 C 05 18 12.65 +29 39 41.9 – V G96
2021-01-04 04:50:00 C 05 18 10.62 +29 40 38.3 – V G96
2021-01-04 04:57:22 C 05 18 08.54 +29 41 34.7 – V G96
2021-01-04 05:33:09 C 05 17 58.59 +29 46 07.6 – V I52
2021-01-04 05:34:59 C 05 17 58.07 +29 46 22.0 – V I52
2021-01-04 05:36:48 C 05 17 57.52 +29 46 36.2 – V I52
2021-01-04 07:33:06 C 05 17 25.32 +30 01 14.7 – V I52
2021-01-04 07:34:56 C 05 17 24.84 +30 01 28.8 – V I52
2021-01-04 07:36:45 C 05 17 24.34 +30 01 42.7 – V I52
2021-01-04 21:57:23 C 05 13 45.99 +31 47 58.9 – V L01
2021-01-04 22:00:50 C 05 13 44.99 +31 48 24.0 – V L01
2021-01-04 22:05:13 C 05 13 43.83 +31 48 55.4 – V L01
2021-01-04 22:13:25 C 05 13 41.65 +31 49 55.6 – V L01