2021 YO

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4731675384 ± 5.56e-07
Semi-major axis (a)2.0054906322 AU ± 1.31e-07
Inclination (i)34.92316275° ± 2.01e-05
Long. of Asc. Node (Ω)97.37056898° ± 5.22e-06
Arg. of Perihelion (ω)292.48437641° ± 1.02e-04
Mean Anomaly (M)159.75620548° ± 6.75e-05
Mean Motion (n)0.3470414263°/day ± 3.41e-08
Perihelion dist (q)1.05655757 AU ± 1.12e-06
Aphelion dist (Q)2.95442370 AU ± 1.13e-06
Orbital Period2.84008250 yr ± 2.79e-07
Physical Parameters
H (abs. magnitude)20.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.211″
Uncertainty0
Orbit TypeAmor
MOID0.275513 AU
Observations Used90
Oppositions3
Arc Total2021-2025
First Observation Used2021-12-27
Last Observation Used2025-02-24
Observations (94)
Date Type RA Dec Mag Band Observatory
2021-12-27 08:06:50 C 07 13 08.00 +24 58 58.9 V G96
2021-12-27 08:13:31 C 07 13 07.17 +24 59 25.1 V G96
2021-12-27 08:20:13 C 07 13 06.38 +24 59 52.0 V G96
2021-12-27 08:26:55 C 07 13 05.60 +25 00 17.8 V G96
2021-12-27 10:09:12 C 07 12 53.45 +25 06 59.4 V G96
2021-12-27 10:09:48 C 07 12 53.38 +25 07 01.7 V G96
2021-12-27 10:13:17 C 07 12 52.96 +25 07 15.4 V G96
2021-12-27 20:14:42 C 07 11 47.10 +25 46 15.6 V 033
2021-12-27 20:15:06 C 07 11 47.06 +25 46 17.1 V 033
2021-12-27 20:15:31 C 07 11 47.00 +25 46 18.2 V 033
2021-12-27 20:17:25 C 07 11 46.80 +25 46 26.0 V 033
2021-12-27 20:27:23 C 07 11 45.97 +25 47 06.8 X J57
2021-12-27 20:44:34 C 07 11 44.02 +25 48 14.1 X J57
2021-12-27 20:54:15 C 07 11 42.88 +25 48 51.9 X J57
2021-12-28 20:48:59 C 07 09 00.73 +27 20 03.0 V B49
2021-12-28 20:50:50 C 07 09 00.55 +27 20 09.6 V B49
2021-12-29 01:16:23 C 07 08 30.31 +27 37 11.5 X Y00
2021-12-29 01:30:34 C 07 08 28.64 +27 38 04.9 X Y00
2021-12-29 01:51:55 C 07 08 26.10 +27 39 24.7 X Y00
2021-12-29 21:48:06 C 07 06 10.05 +28 52 08.1 o K88
2021-12-29 21:50:39 C 07 06 09.77 +28 52 17.9 o K88
2021-12-29 21:54:28 C 07 06 09.29 +28 52 31.8 o K88
2022-01-01 01:42:35 C 07 00 15.43 +31 52 07.2 V 204
2022-01-01 01:49:04 C 07 00 14.66 +31 52 28.5 V 204
2022-01-01 02:02:04 C 07 00 13.11 +31 53 11.3 V 204
2022-01-01 05:04:42 C 06 59 51.85 +32 03 10.3 X C95
2022-01-01 05:42:05 C 06 59 47.72 +32 05 11.5 X C95
2022-01-01 21:01:35 C 06 58 05.71 +32 55 04.0 V 033
2022-01-01 21:02:00 C 06 58 05.67 +32 55 05.3 V 033
2022-01-01 21:02:25 C 06 58 05.62 +32 55 06.6 V 033
2022-01-02 16:42:40 C 06 55 52.00 +33 57 08.7 V D29
2022-01-02 17:04:18 C 06 55 49.43 +33 58 15.3 V D29
2022-01-02 17:25:57 C 06 55 46.89 +33 59 21.4 V D29
2022-01-02 20:41:52 C 06 55 26.13 +34 09 16.3 V 033
2022-01-02 20:42:16 C 06 55 26.10 +34 09 17.3 V 033
2022-01-02 20:42:41 C 06 55 26.04 +34 09 18.5 V 033
2022-01-02 20:43:12 C 06 55 25.97 +34 09 20.0 V 033
2022-01-03 04:55:45 C 06 54 31.07 +34 34 25.5 V 703
2022-01-03 05:03:37 C 06 54 30.17 +34 34 48.5 V 703
2022-01-03 05:11:29 C 06 54 29.31 +34 35 13.1 V 703
2022-01-03 09:45:21 C 06 53 57.04 +34 48 54.6 V V06
2022-01-03 09:48:03 C 06 53 56.74 +34 49 02.5 V V06
2022-01-03 09:48:20 C 06 53 56.72 +34 49 03.0 V V06
2022-01-03 09:51:01 C 06 53 56.40 +34 49 11.4 V V06
2022-01-03 14:48:28 C 06 53 24.71 +35 03 57.5 V D29
2022-01-03 15:08:50 C 06 53 22.29 +35 04 58.0 V D29
2022-01-03 15:29:12 C 06 53 19.90 +35 05 58.6 V D29
2022-01-04 09:41:48 C 06 51 17.95 +35 58 47.6 V I52
2022-01-04 09:58:39 C 06 51 15.99 +35 59 35.4 V I52
2022-01-04 10:15:03 C 06 51 14.11 +36 00 21.6 V I52