2021 OY

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6134575656
Semi-major axis (a)2.6772754352 AU
Inclination (i)3.28067157°
Long. of Asc. Node (Ω)124.60253521°
Arg. of Perihelion (ω)195.37672881° ± 6.00e+00
Mean Anomaly (M)352.23441090°
Mean Motion (n)0.2249883200°/day
Perihelion dist (q)1.03487750 AU
Aphelion dist (Q)4.31971050 AU
Orbital Period4.38070590 yr
Physical Parameters
H (abs. magnitude)25.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.438″
Uncertainty—
Orbit TypeAmor
MOID0.023095 AU
Observations Used51
Oppositions1
Arc Total2021-2021
First Observation Used—
Last Observation Used2021-08-05
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-06-30 08:31:39 C 16 54 12.910 -10 35 59.60 – V F51
2021-06-30 08:48:06 C 16 54 12.941 -10 35 59.93 – V F51
2021-06-30 09:04:31 C 16 54 12.991 -10 36 00.61 – V F51
2021-06-30 09:20:59 C 16 54 13.037 -10 36 01.06 – V F51
2021-07-04 08:54:32 C 16 56 43.156 -10 43 51.13 – V F51
2021-07-04 09:11:40 C 16 56 43.453 -10 43 53.34 – V F51
2021-07-04 09:28:49 C 16 56 43.763 -10 43 55.60 – V F51
2021-07-28 03:17:55 C 20 07 52.60 -20 40 33.2 – V W94
2021-07-28 03:26:14 C 20 08 04.05 -20 40 48.4 – V W94
2021-07-28 03:34:33 C 20 08 15.51 -20 41 03.1 – V W94
2021-07-28 06:56:32 C 20 12 57.23 -20 46 08.7 – V W95
2021-07-28 07:04:03 C 20 13 07.92 -20 46 17.9 – V W95
2021-07-28 07:11:34 C 20 13 18.67 -20 46 27.9 – V W95
2021-07-28 09:27:21 C 20 16 36.92 -20 49 02.0 – V W95
2021-07-28 09:34:53 C 20 16 48.19 -20 49 10.9 – V W95
2021-07-28 09:42:25 C 20 16 59.41 -20 49 18.3 – V W95
2021-07-28 13:56:56 C 20 23 50.46 -20 55 25.2 – q E23
2021-07-28 14:14:16 C 20 24 16.18 -20 55 47.0 – q E23
2021-07-28 14:29:26 C 20 24 38.75 -20 56 04.7 – q E23
2021-07-28 20:37:02 C 20 34 39.59 -21 03 17.5 – V L81
2021-07-28 20:52:16 C 20 35 03.26 -21 03 35.1 – V L81
2021-07-28 21:07:15 C 20 35 26.53 -21 03 52.2 – V L81
2021-07-28 22:04:34 C 20 36 54.85 -21 09 47.5 – V L01
2021-07-28 22:06:52 C 20 36 58.45 -21 09 49.8 – V L01
2021-07-28 22:09:09 C 20 37 02.06 -21 09 51.5 – V L01
2021-07-28 22:12:27 C 20 37 07.25 -21 09 54.4 – V L01
2021-07-28 22:13:24 C 20 37 11.58 -21 09 59.6 – V J69
2021-07-28 22:17:00 C 20 37 14.42 -21 09 58.7 – V L01
2021-07-28 22:19:14 C 20 37 20.90 -21 10 04.7 – V J69
2021-07-28 22:25:04 C 20 37 30.13 -21 10 10.0 – V J69
2021-07-28 22:30:54 C 20 37 39.39 -21 10 15.4 – V J69
2021-07-28 22:50:04 C 20 38 07.28 -21 10 24.8 – V 104
2021-07-28 23:01:44 C 20 38 25.69 -21 10 35.4 – V 104
2021-07-28 23:07:34 C 20 38 34.90 -21 10 40.4 – V 104
2021-07-28 23:24:53 C 20 39 02.81 -21 10 58.4 – V 204
2021-07-28 23:28:19 C 20 39 10.66 -21 11 09.6 – V J95
2021-07-28 23:30:47 C 20 39 14.55 -21 11 11.7 – V J95
2021-07-28 23:33:12 C 20 39 18.42 -21 11 14.2 – V J95
2021-07-28 23:34:59 C 20 39 18.77 -21 11 05.9 – V 204
2021-07-28 23:35:39 C 20 39 22.28 -21 11 16.2 – V J95
2021-07-28 23:45:04 C 20 39 34.77 -21 11 14.0 – V 204
2021-07-29 04:55:11 C 20 48 20.24 -21 14 04.4 – u H21
2021-07-29 04:57:29 C 20 48 23.97 -21 14 06.0 – u H21
2021-07-29 04:59:47 C 20 48 27.68 -21 14 07.2 – u H21
2021-07-29 05:02:04 C 20 48 31.44 -21 14 08.5 – u H21
2021-07-29 05:29:09 C 20 49 17.90 -21 14 18.0 – q H36
2021-07-29 05:33:39 C 20 49 25.25 -21 14 20.0 – q H36
2021-07-29 05:38:11 C 20 49 32.59 -21 14 22.3 – q H36
2021-07-29 05:42:44 C 20 49 39.99 -21 14 25.0 – q H36
2021-07-29 10:40:16 C 20 58 16.72 -21 09 18.7 – q E94