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
2023-11-12 12:28:34 C 07 41 14.153 +51 11 18.35 V T05
2023-11-13 01:44:36 B 07 46 06.499 +52 45 31.75 V L65
2023-11-13 01:47:49 B 07 46 07.471 +52 45 54.43 V L65
2023-11-13 01:51:04 B 07 46 08.743 +52 46 18.05 V L65
2023-11-16 13:38:23 C 08 21 05.206 +61 21 53.53 V T05
2023-11-16 13:41:15 C 08 21 06.430 +61 22 08.80 V T05
2023-11-16 13:45:56 C 08 21 08.352 +61 22 34.25 V T05
2023-11-16 14:33:25 C 08 21 28.613 +61 26 47.47 V T05
2023-11-17 03:39:18 B 08 27 36.514 +62 33 34.78 V L65
2023-11-17 03:43:57 B 08 27 38.606 +62 33 58.14 V L65
2023-11-17 03:48:37 B 08 27 40.752 +62 34 21.76 V L65
2023-11-17 05:53:50 C 08 28 45.727 +62 44 03.77 V U55
2023-11-17 06:10:20 C 08 28 53.729 +62 45 28.33 V U55
2023-11-17 06:26:51 C 08 29 01.714 +62 46 52.79 V U55
2023-11-18 13:31:47 C 08 44 24.962 +65 12 36.04 V T05
2023-11-18 13:36:21 C 08 44 27.151 +65 12 56.23 V T05
2023-11-18 14:03:16 C 08 44 39.998 +65 14 55.79 V T05
2023-11-18 14:09:47 C 08 44 43.090 +65 15 24.62 V T05
2023-11-20 14:36:14 C 09 10 52.342 +68 24 53.35 V T05
2023-11-20 14:40:26 C 09 10 54.430 +68 25 07.97 V T05
2023-11-20 14:48:17 C 09 10 58.591 +68 25 36.41 V T05
2023-11-20 14:55:46 C 09 11 02.563 +68 26 02.18 V T05
2023-11-20 15:02:33 C 09 11 06.216 +68 26 26.20 V T05
2023-11-20 15:22:57 C 09 11 16.958 +68 27 38.38 V T05
2023-11-20 15:34:28 C 09 11 23.035 +68 28 17.62 V T05
2023-11-22 03:44:21 B 09 32 30.926 +70 22 50.70 V L65
2023-11-22 03:51:04 B 09 32 34.874 +70 23 10.93 V L65
2023-11-22 03:57:48 B 09 32 38.700 +70 23 30.48 V L65
2023-11-22 13:16:59 C 09 38 21.480 +70 50 02.94 V T05
2023-11-22 13:21:35 C 09 38 24.197 +70 50 15.79 V T05
2023-11-22 13:29:27 C 09 38 28.558 +70 50 38.54 V T05
2023-11-22 13:43:49 C 09 38 35.995 +70 51 15.98 V T05
2023-11-22 22:37:18 C 09 44 04.59 +71 14 28.4 M32
2023-11-22 22:42:52 C 09 44 08.00 +71 14 43.7 M32
2023-11-22 22:48:25 C 09 44 11.41 +71 14 59.0 M32
2023-11-22 22:54:00 C 09 44 14.82 +71 15 14.4 M32
2023-11-22 22:59:32 C 09 44 18.23 +71 15 29.6 M32
2023-12-17 05:15:02 B 14 17 58.020 +76 44 51.90 X K74
2023-12-17 05:25:07 B 14 18 00.098 +76 44 52.37 X K74
2023-12-17 05:35:13 B 14 18 01.992 +76 44 52.98 X K74
2025-09-11 08:35:47 C 05 40 29.750 +01 42 40.10 V 807
2025-09-11 08:46:23 C 05 40 31.430 +01 42 55.30 V 807
2025-09-11 08:56:59 C 05 40 33.090 +01 43 10.10 V 807
2025-10-29 20:20:01 C 09 26 23.779 +30 41 58.63 W O18
2025-10-29 21:33:20 C 09 26 39.478 +30 43 19.25 W O18
2025-10-31 22:24:20 C 09 37 13.290 +31 34 12.16 W O18
2025-10-31 22:25:06 C 09 37 13.452 +31 34 12.95 W O18
2025-11-09 21:03:17 C 10 22 44.253 +34 38 28.27 W O18
2025-11-09 21:04:04 C 10 22 44.423 +34 38 28.73 W O18
2025-11-09 22:13:27 C 10 22 58.551 +34 39 20.12 W O18