2021 OK1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5826528000
Semi-major axis (a)2.1779908000 AU
Inclination (i)8.80642000°
Long. of Asc. Node (Ω)306.13081000°
Arg. of Perihelion (ω)313.25825000°
Mean Anomaly (M)134.38055000°
Mean Motion (n)0.3066337900°/day
Perihelion dist (q)0.90897840 AU
Aphelion dist (Q)3.44700320 AU
Orbital Period3.21428260 yr
Physical Parameters
H (abs. magnitude)26.89
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.960″
Uncertainty7
Orbit TypeApollo
MOID0.004988 AU
Observations Used26
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-08-13
Observations (26)
Date Type RA Dec Mag Band Observatory
2021-07-30 11:49:03 C 21 53 50.933 -01 31 19.10 U F51
2021-07-30 12:07:03 C 21 53 45.807 -01 28 11.77 U F51
2021-07-30 12:25:03 C 21 53 40.728 -01 25 05.46 U F51
2021-07-30 12:43:04 C 21 53 35.711 -01 22 01.18 U F51
2021-07-31 01:59:53 C 21 51 32.73 +00 31 48.2 V 033
2021-07-31 02:00:59 C 21 51 32.52 +00 31 56.1 V 033
2021-07-31 02:02:04 C 21 51 32.30 +00 32 04.6 V 033
2021-08-01 05:38:23 C 21 48 49.98 +03 11 05.9 u H21
2021-08-01 06:02:11 C 21 48 46.78 +03 12 50.1 u H21
2021-08-01 06:14:10 C 21 48 45.24 +03 13 42.6 u H21
2021-08-01 06:15:24 C 21 48 51.30 +03 14 02.7 V 654
2021-08-01 07:39:40 C 21 48 40.36 +03 20 05.9 V 654
2021-08-01 08:47:18 C 21 48 31.29 +03 24 50.4 V 654
2021-08-01 21:54:52 C 21 47 41.34 +04 13 18.8 V 587
2021-08-01 21:57:56 C 21 47 41.01 +04 13 29.3 V 587
2021-08-01 21:59:51 C 21 47 40.84 +04 13 35.3 V 587
2021-08-01 22:31:11 C 21 47 36.89 +04 15 07.9 V 033
2021-08-01 22:35:21 C 21 47 36.47 +04 15 21.7 V 033
2021-08-01 22:39:31 C 21 47 36.06 +04 15 35.6 V 033
2021-08-04 06:59:30 C 21 44 57.68 +06 26 26.0 o 691
2021-08-04 07:26:17 C 21 44 55.77 +06 27 08.2 o 691
2021-08-04 10:41:34 C 21 44 48.474 +06 32 38.86 V T12
2021-08-04 10:45:18 C 21 44 48.202 +06 32 44.62 V T12
2021-08-05 09:37:56 C 21 44 02.19 +07 02 46.8 o 291
2021-08-05 09:50:56 C 21 44 01.47 +07 03 01.5 o 291
2021-08-13 10:55:48 C 21 40 45.961 +08 40 51.00 V T12