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
2021-07-20 04:22:25 C 00 03 00.58 -58 45 15.9 W84
2021-07-20 04:25:25 C 00 03 00.83 -58 45 18.9 W84
2021-07-20 04:28:24 C 00 03 01.03 -58 45 21.8 W84
2021-07-20 04:34:22 C 00 03 01.48 -58 45 27.7 W84
2021-07-20 04:37:20 C 00 03 01.70 -58 45 30.5 W84
2021-11-28 05:05:51 C 22 37 49.382 -06 44 45.73 U F51
2021-11-28 05:23:58 C 22 37 50.310 -06 43 36.61 U F51
2021-11-28 05:42:03 C 22 37 51.244 -06 42 27.49 U F51
2021-11-28 06:00:05 C 22 37 52.170 -06 41 18.77 U F51
2021-11-28 08:38:14 C 22 38 00.595 -06 31 14.65 V F51
2021-11-28 08:39:25 C 22 38 00.663 -06 31 09.94 V F51
2021-11-28 17:51:14 C 22 38 34.74 -05 56 14.8 V 511
2021-11-28 17:55:26 C 22 38 34.94 -05 55 58.6 V 511
2021-11-28 17:59:39 C 22 38 35.05 -05 55 46.3 V 511
2021-11-28 18:03:52 C 22 38 35.33 -05 55 28.9 V 511
2021-11-28 18:08:03 C 22 38 35.47 -05 55 11.5 V 511
2021-11-28 18:19:00 C 22 38 36.04 -05 54 32.3 V 204
2021-11-28 18:31:34 C 22 38 36.72 -05 53 44.1 V 204
2021-11-28 18:44:07 C 22 38 37.37 -05 52 57.0 V 204
2021-11-28 19:08:00 C 22 38 38.68 -05 51 25.9 V 203
2021-11-28 19:29:28 C 22 38 39.85 -05 50 04.0 V 203
2021-11-28 19:53:26 C 22 38 41.12 -05 48 32.4 V 203
2021-11-29 00:50:33 C 22 38 59.17 -05 29 40.1 u H21
2021-11-29 01:00:06 C 22 38 59.66 -05 29 03.7 u H21
2021-11-29 01:34:26 C 22 39 01.97 -05 26 51.4 X 858
2021-11-29 01:37:26 C 22 39 02.19 -05 26 38.8 V I52
2021-11-29 01:40:41 C 22 39 02.36 -05 26 27.6 V I52
2021-11-29 01:49:05 C 22 39 02.85 -05 25 54.8 V I52
2021-11-29 01:57:02 C 22 39 03.12 -05 25 25.7 X 858
2021-11-29 02:19:25 C 22 39 04.34 -05 24 00.2 X 858
2021-11-29 17:48:27 C 22 40 00.30 -04 25 11.6 V B74
2021-11-29 17:57:09 C 22 40 00.76 -04 24 39.2 V B74
2021-11-29 18:01:50 C 22 40 01.02 -04 24 20.7 V B74
2021-11-29 18:58:11 C 22 40 03.83 -04 20 48.2 V L01
2021-11-29 19:01:44 C 22 40 04.04 -04 20 34.9 V L01
2021-11-29 19:06:14 C 22 40 04.24 -04 20 18.2 V L01
2021-11-29 19:10:44 C 22 40 04.48 -04 20 00.6 V L01
2021-11-29 19:13:34 C 22 40 04.65 -04 19 49.9 V L01
2021-11-29 20:10:17 C 22 40 07.85 -04 16 13.8 V 104
2021-11-29 20:21:06 C 22 40 08.48 -04 15 33.3 V 104
2021-11-29 23:55:37 C 22 40 22.09 -04 01 56.5 X W34
2021-11-30 00:10:22 C 22 40 22.88 -04 01 00.7 X W34
2021-11-30 00:26:09 C 22 40 23.73 -04 00 00.8 X W34
2021-11-30 00:38:53 C 22 40 24.12 -03 58 44.0 u 807
2021-11-30 00:42:47 C 22 40 24.34 -03 58 29.0 u 807
2021-11-30 00:46:44 C 22 40 24.55 -03 58 14.2 u 807
2021-11-30 01:10:07 C 22 40 26.27 -03 57 15.7 u H21
2021-11-30 01:14:10 C 22 40 26.49 -03 57 00.4 u H21
2021-11-30 01:18:20 C 22 40 26.72 -03 56 44.7 u H21
2021-11-30 01:31:40 C 22 40 27.87 -03 55 52.6 X 858