IAA RAS IAA Minor Planet Database

2021 OH

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2739405000
Semi-major axis (a)1.2824571000 AU
Inclination (i)10.04686000°
Long. of Asc. Node (Ω)112.06535000°
Arg. of Perihelion (ω)125.56062000°
Mean Anomaly (M)31.05242000°
Mean Motion (n)0.6786405400°/day
Perihelion dist (q)0.93114020 AU
Aphelion dist (Q)1.63377400 AU
Orbital Period1.45232650 yr
Physical Parameters
H (abs. magnitude)26.75
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.460″
Uncertainty7
Orbit TypeApollo
MOID0.003448 AU
Observations Used16
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-07-19
Observations (17)
Date Type RA Dec Mag Band Observatory
2021-07-17 05:22:56 C 21 13 33.41 -43 50 32.9 – V W94
2021-07-17 05:31:13 C 21 13 34.96 -43 51 39.8 – V W94
2021-07-17 05:39:29 C 21 13 36.65 -43 52 47.1 – V W94
2021-07-17 06:14:35 C 21 13 43.41 -43 57 28.3 – V W95
2021-07-17 06:22:13 C 21 13 44.92 -43 58 27.9 – V W95
2021-07-17 06:29:51 C 21 13 46.41 -43 59 27.7 – V W95
2021-07-17 07:41:03 C 21 14 00.43 -44 08 17.4 – V W95
2021-07-17 07:48:50 C 21 14 02.04 -44 09 12.8 – V W95
2021-07-17 07:56:28 C 21 14 03.60 -44 10 07.1 – V W95
2021-07-17 11:26:29 C 21 15 38.496 -44 40 11.00 – U F51
2021-07-17 11:38:36 C 21 15 40.549 -44 41 38.57 – U F51
2021-07-18 04:04:48 C 21 20 44.06 -46 16 42.9 – V W95
2021-07-18 04:12:20 C 21 20 45.14 -46 17 25.4 – V W95
2021-07-18 04:19:50 C 21 20 46.14 -46 18 08.3 – V W95
2021-07-19 07:52:12 C 21 26 17.02 -48 12 16.5 – V W95
2021-07-19 07:59:42 C 21 26 17.53 -48 12 38.1 – V W95
2021-07-19 08:07:10 C 21 26 18.09 -48 13 00.1 – V W95