2021 OJ1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3392488000
Semi-major axis (a)1.4714837000 AU
Inclination (i)12.77154000°
Long. of Asc. Node (Ω)126.21064000°
Arg. of Perihelion (ω)143.63490000°
Mean Anomaly (M)167.83695000°
Mean Motion (n)0.5521675900°/day
Perihelion dist (q)0.97228460 AU
Aphelion dist (Q)1.97068280 AU
Orbital Period1.78497930 yr
Physical Parameters
H (abs. magnitude)25.09
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.690″
Uncertainty7
Orbit TypeApollo
MOID0.004608 AU
Observations Used22
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-08-09
Observations (22)
Date Type RA Dec Mag Band Observatory
2021-07-30 12:54:08 C 23 53 29.15 -25 01 24.7 V T05
2021-07-30 12:56:46 C 23 53 29.54 -25 02 21.7 V T05
2021-07-30 13:04:44 C 23 53 30.81 -25 05 15.5 V T05
2021-07-30 13:19:21 C 23 53 33.07 -25 10 30.1 V T05
2021-07-31 01:58:42 C 23 56 58.69 -29 08 26.4 V L01
2021-07-31 01:59:49 C 23 56 58.85 -29 08 44.7 V L01
2021-07-31 02:08:27 C 23 57 00.10 -29 11 04.2 V L01
2021-07-31 02:09:34 C 23 57 00.28 -29 11 23.1 V L01
2021-07-31 02:11:37 C 23 57 00.61 -29 11 56.9 V L01
2021-07-31 06:28:25 C 23 57 58.81 -30 12 53.1 X Y00
2021-07-31 06:29:26 C 23 57 58.92 -30 13 08.0 X Y00
2021-07-31 06:30:23 C 23 57 59.07 -30 13 22.0 X Y00
2021-08-01 02:00:12 C 00 01 53.95 -34 17 02.2 V L81
2021-08-01 02:10:50 C 00 01 54.60 -34 18 53.5 V L81
2021-08-01 02:24:38 C 00 01 55.41 -34 21 17.3 V L81
2021-08-01 13:12:09 C 00 03 42.38 -36 07 04.5 V T08
2021-08-01 13:18:07 C 00 03 42.62 -36 07 57.8 V T08
2021-08-01 13:26:46 C 00 03 42.95 -36 09 12.7 V T08
2021-08-01 13:39:23 C 00 03 43.47 -36 11 01.6 V T08
2021-08-09 14:52:52 C 00 14 11.33 -46 56 49.6 V 474
2021-08-09 14:57:56 C 00 14 11.19 -46 56 56.2 V 474
2021-08-09 15:03:00 C 00 14 11.02 -46 57 02.4 V 474