2021 OA1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3855608000
Semi-major axis (a)1.7051634000 AU
Inclination (i)6.63485000°
Long. of Asc. Node (Ω)131.39119000°
Arg. of Perihelion (ω)197.96259000°
Mean Anomaly (M)328.06799000°
Mean Motion (n)0.4426445100°/day
Perihelion dist (q)1.04771920 AU
Aphelion dist (Q)2.36260760 AU
Orbital Period2.22663490 yr
Physical Parameters
H (abs. magnitude)24.27
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.640″
Uncertainty7
Orbit TypeAmor
MOID0.040478 AU
Observations Used75
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-08-12
Observations (79)
Date Type RA Dec Mag Band Observatory
2021-08-06 11:40:06 C 23 16 19.63 -15 11 31.5 V T08
2021-08-06 11:44:44 C 23 16 22.80 -15 11 43.5 V T08
2021-08-06 11:48:43 C 23 16 25.55 -15 11 54.6 V T08
2021-08-06 12:03:20 C 23 16 35.57 -15 12 33.1 V T08
2021-08-09 10:27:19 C 00 07 16.26 -17 47 44.8 V T08
2021-08-09 10:34:38 C 00 07 20.94 -17 48 00.5 V T08
2021-08-09 10:43:16 C 00 07 26.72 -17 48 17.4 V T08
2021-08-09 10:58:34 C 00 07 36.57 -17 48 47.0 V T08
2021-08-11 13:12:11 C 00 40 33.43 -19 04 14.8 V T05
2021-08-11 13:21:27 C 00 40 38.71 -19 04 26.5 V T05
2021-08-11 13:36:37 C 00 40 47.43 -19 04 45.8 V T05
2021-08-11 13:48:11 C 00 40 54.08 -19 04 59.2 V T05
2021-08-12 00:20:38 C 00 47 26.54 -19 17 46.3 V L01
2021-08-12 00:22:52 C 00 47 27.81 -19 17 49.2 V L01
2021-08-12 00:25:07 C 00 47 29.09 -19 17 51.8 V L01
2021-08-12 04:25:30 C 00 49 49.964 -19 21 49.85 V J04
2021-08-12 04:25:50 C 00 49 50.180 -19 21 50.38 V J04
2021-08-12 04:26:10 C 00 49 50.355 -19 21 50.70 V J04
2021-08-12 09:47:18 C 00 53 04.65 -19 27 27.0 V U83
2021-08-12 09:47:42 C 00 53 04.86 -19 27 28.0 V U83
2021-08-12 09:48:29 C 00 53 05.35 -19 27 29.3 V U83
2021-08-12 09:50:04 C 00 53 06.24 -19 27 31.0 V U83
2021-08-12 09:51:00 C 00 53 06.72 -19 27 31.5 V U83
2021-08-12 09:51:22 C 00 53 06.96 -19 27 32.1 V U83
2021-08-12 09:52:11 C 00 53 07.41 -19 27 32.5 V U83
2021-08-12 09:52:35 C 00 53 07.60 -19 27 33.4 V U83
2021-08-12 09:52:58 C 00 53 07.81 -19 27 33.5 V U83
2021-08-12 09:53:22 C 00 53 08.05 -19 27 34.0 V U83
2021-08-12 09:53:47 C 00 53 08.29 -19 27 34.5 V U83