2021 OY20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3233870423 ± 1.17e-08
Semi-major axis (a)1.5534170266 AU ± 4.76e-09
Inclination (i)22.36354190° ± 4.44e-06
Long. of Asc. Node (Ω)46.54947098° ± 2.37e-06
Arg. of Perihelion (ω)8.07306080° ± 1.05e-05
Mean Anomaly (M)16.61916060° ± 5.64e-06
Mean Motion (n)0.5090731417°/day ± 2.34e-09
Perihelion dist (q)1.05106209 AU ± 1.84e-08
Aphelion dist (Q)2.05577196 AU ± 1.92e-08
Orbital Period1.93611920 yr ± 8.89e-09
Physical Parameters
H (abs. magnitude)19.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.186″
Uncertainty0
Orbit TypeAmor
MOID0.061682 AU
Observations Used231
Oppositions2
Arc Total2021-2026
First Observation Used2021-07-20
Last Observation Used2026-01-06
Observations (257)
Date Type RA Dec Mag Band Observatory
2021-11-30 01:45:17 C 22 40 28.72 -03 54 59.9 V I52
2021-11-30 01:47:38 C 22 40 28.86 -03 54 50.9 V I52
2021-11-30 01:49:41 C 22 40 28.96 -03 54 43.0 V I52
2021-11-30 01:51:44 C 22 40 29.08 -03 54 35.5 V I52
2021-11-30 01:55:08 C 22 40 29.16 -03 54 23.4 X 858
2021-11-30 02:18:37 C 22 40 30.42 -03 52 53.9 X 858
2021-11-30 17:15:04 C 22 41 25.16 -02 56 24.5 V 587
2021-11-30 17:16:04 C 22 41 25.22 -02 56 20.6 V 587
2021-11-30 17:17:05 C 22 41 25.25 -02 56 16.8 V 587
2021-11-30 18:15:44 C 22 41 28.75 -02 52 33.3 X J57
2021-11-30 18:42:42 C 22 41 30.22 -02 50 51.3 X J57
2021-11-30 19:07:40 C 22 41 31.58 -02 49 16.7 X J57
2021-12-03 02:21:14 C 22 44 56.63 +00 38 09.0 V I52
2021-12-03 02:23:54 C 22 44 56.80 +00 38 18.7 V I52
2021-12-03 02:30:22 C 22 44 57.17 +00 38 43.0 V I52
2021-12-03 02:42:38 C 22 44 57.81 +00 39 27.8 V I52
2021-12-04 01:25:10 C 22 46 24.71 +02 03 50.5 V I52
2021-12-04 01:28:42 C 22 46 24.89 +02 04 04.1 V I52
2021-12-04 01:32:14 C 22 46 25.17 +02 04 17.1 V I52
2021-12-05 01:26:47 C 22 47 57.40 +03 32 26.1 V I52
2021-12-05 01:31:24 C 22 47 57.69 +03 32 43.0 V I52
2021-12-05 01:36:02 C 22 47 57.95 +03 32 59.9 V I52
2021-12-05 01:40:39 C 22 47 58.24 +03 33 16.8 V I52
2021-12-07 01:27:35 C 22 51 06.83 +06 27 05.9 V I52
2021-12-07 01:30:48 C 22 51 07.03 +06 27 17.3 V I52
2021-12-07 01:34:01 C 22 51 07.25 +06 27 28.7 V I52
2021-12-12 02:05:30 C 22 59 28.09 +13 29 14.3 V I52
2021-12-12 02:06:51 C 22 59 28.15 +13 29 18.5 V I52
2021-12-12 02:08:57 C 22 59 28.30 +13 29 25.4 V I52
2021-12-12 02:11:52 C 22 59 28.53 +13 29 36.0 V I52
2021-12-18 05:17:53 C 23 10 34.497 +21 25 45.25 U F52
2021-12-18 05:51:18 C 23 10 36.938 +21 27 27.54 U F52
2021-12-18 06:08:04 C 23 10 38.161 +21 28 18.90 U F52
2021-12-21 02:42:59 C 23 16 12.71 +24 54 09.6 V G96
2021-12-21 02:51:11 C 23 16 13.33 +24 54 33.7 V G96
2021-12-21 02:59:23 C 23 16 13.98 +24 54 57.5 V G96
2021-12-21 03:07:36 C 23 16 14.67 +24 55 20.9 V G96
2021-12-31 20:36:52 C 23 40 02.81 +36 17 31.7 X C95
2021-12-31 21:35:40 C 23 40 08.71 +36 19 50.0 X C95
2022-01-08 02:45:12 C 23 59 31.19 +42 44 18.7 V I52
2022-01-08 02:57:10 C 23 59 32.64 +42 44 43.4 V I52
2022-01-08 03:03:33 C 23 59 33.34 +42 44 56.3 V I52
2022-01-08 03:09:55 C 23 59 34.08 +42 45 09.1 V I52
2022-02-10 02:10:15 C 02 25 44.69 +61 24 31.7 V 695
2022-02-10 02:14:13 C 02 25 45.69 +61 24 34.5 V 695
2022-02-10 02:18:10 C 02 25 46.70 +61 24 37.2 V 695
2022-02-10 03:14:15 C 02 26 00.93 +61 25 18.0 V I52
2022-02-10 03:20:29 C 02 26 02.59 +61 25 21.3 V I52
2022-02-26 05:21:05 C 04 15 38.23 +63 39 53.6 V V00
2022-02-26 05:29:46 C 04 15 40.76 +63 39 53.2 V V00