2021 OS

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4325481668 ± 8.35e-08
Semi-major axis (a)0.8106817051 AU ± 2.10e-09
Inclination (i)15.45191334° ± 1.08e-05
Long. of Asc. Node (Ω)294.31017151° ± 4.13e-06
Arg. of Perihelion (ω)218.10299807° ± 4.50e-06
Mean Anomaly (M)90.96939209° ± 1.83e-05
Mean Motion (n)1.3503200546°/day ± 5.26e-09
Perihelion dist (q)0.46002282 AU ± 6.77e-08
Aphelion dist (Q)1.16134059 AU ± 6.78e-08
Orbital Period0.72992050 yr ± 2.84e-09
Physical Parameters
H (abs. magnitude)22.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.301″
Uncertainty0
Orbit TypeAten
MOID0.010486 AU
Observations Used189
Oppositions4
Arc Total2013-2024
First Observation Used2013-08-09
Last Observation Used2024-10-23
Observations (204)
Date Type RA Dec Mag Band Observatory
2013-08-09 12:12:00 C 21 51 54.180 +35 27 24.63 V F51
2013-08-09 12:33:23 C 21 51 46.300 +35 27 35.48 V F51
2013-08-09 12:50:52 C 21 51 39.893 +35 27 44.12 V F51
2013-08-15 10:46:35 C 21 03 03.909 +35 43 34.65 V F51
2013-08-15 11:01:57 C 21 02 58.700 +35 43 29.82 V F51
2013-08-20 10:19:18 C 20 27 11.845 +34 37 33.80 V F51
2021-07-18 12:36:59 C 00 08 22.31 +26 07 41.7 V T08
2021-07-18 12:39:38 C 00 08 18.50 +26 07 54.3 V T08
2021-07-18 12:46:18 C 00 08 08.82 +26 08 28.2 V T08
2021-07-18 13:21:19 C 00 07 17.74 +26 11 22.7 V T08
2021-07-18 23:02:20 C 23 53 33.25 +26 54 05.5 V 587
2021-07-18 23:03:59 C 23 53 30.87 +26 54 13.2 V 587
2021-07-18 23:04:43 C 23 53 29.78 +26 54 16.7 V 587
2021-07-18 23:05:28 C 23 53 28.67 +26 54 20.2 V 587
2021-07-19 00:32:05 C 23 51 20.01 +27 00 52.5 o K88
2021-07-19 00:33:40 C 23 51 17.70 +27 00 59.4 o K88
2021-07-19 00:35:01 C 23 51 15.73 +27 01 05.3 o K88
2021-07-19 00:36:20 C 23 51 13.72 +27 01 11.2 o K88
2021-07-19 00:37:55 C 23 51 11.40 +27 01 17.8 o K88
2021-07-19 00:39:31 C 23 51 09.01 +27 01 24.9 o K88
2021-07-19 00:52:34 C 23 50 51.78 +27 02 00.6 V J95
2021-07-19 00:54:08 C 23 50 49.46 +27 02 07.9 V J95
2021-07-19 00:55:44 C 23 50 47.10 +27 02 15.0 V J95
2021-07-19 01:09:42 C 23 50 26.53 +27 03 16.2 V J95
2021-07-19 01:12:03 C 23 50 23.09 +27 03 26.4 V J95
2021-07-19 03:30:53 C 23 47 00.49 +27 14 24.0 V G40
2021-07-19 04:15:30 C 23 45 53.33 +27 17 30.9 V G40
2021-07-19 04:21:58 C 23 45 36.71 +27 20 11.8 V L81
2021-07-19 04:25:43 C 23 45 31.13 +27 20 26.0 V L81
2021-07-19 04:29:38 C 23 45 25.20 +27 20 42.1 V L81
2021-07-19 04:33:55 C 23 45 18.76 +27 20 58.4 V L81
2021-07-19 05:31:18 C 23 44 10.09 +27 21 22.6 q H36
2021-07-19 05:40:04 C 23 43 57.17 +27 22 00.2 q H36
2021-07-19 05:48:53 C 23 43 44.13 +27 22 37.9 q H36
2021-07-19 06:19:31 C 23 42 58.74 +27 24 47.0 q H36
2021-07-19 07:06:32 C 23 41 49.55 +27 27 14.2 X U55
2021-07-19 07:17:32 C 23 41 33.28 +27 27 59.1 X U55
2021-07-19 07:29:28 C 23 41 15.73 +27 28 49.1 X U55
2021-07-19 08:36:18 C 23 39 32.63 +27 34 06.1 u H21
2021-07-19 08:38:04 C 23 39 29.96 +27 34 13.1 u H21
2021-07-19 08:40:01 C 23 39 27.01 +27 34 20.7 u H21
2021-07-19 08:41:53 C 23 39 24.19 +27 34 27.8 u H21
2021-07-19 08:43:45 C 23 39 21.38 +27 34 35.1 u H21
2021-07-19 20:57:33 C 23 21 24.88 +28 15 24.9 V A17
2021-07-19 21:02:32 C 23 21 17.52 +28 15 41.7 V A17
2021-07-19 21:09:30 C 23 21 07.20 +28 16 04.7 V A17
2021-07-19 21:11:55 C 23 21 04.06 +28 16 24.2 V 595
2021-07-19 21:14:34 C 23 20 59.66 +28 16 21.5 V A17
2021-07-19 21:17:14 C 23 20 56.21 +28 16 41.8 V 595
2021-07-19 21:27:50 C 23 20 40.40 +28 17 16.8 V 595