2021 SO2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0593992956 ± 5.68e-07
Semi-major axis (a)1.0658243322 AU ± 6.33e-07
Inclination (i)7.45310145° ± 4.17e-05
Long. of Asc. Node (Ω)346.81825777° ± 5.99e-05
Arg. of Perihelion (ω)0.38575413° ± 9.06e-05
Mean Anomaly (M)292.23112604° ± 1.20e-03
Mean Motion (n)0.8957438396°/day ± 7.98e-07
Perihelion dist (q)1.00251512 AU ± 8.49e-07
Aphelion dist (Q)1.12913355 AU ± 9.04e-07
Orbital Period1.10034392 yr ± 9.81e-07
Physical Parameters
H (abs. magnitude)24.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.224″
Uncertainty1
Orbit TypeApollo
MOID0.006394 AU
Observations Used82
Oppositions1
Arc Total2021-2022
First Observation Used2021-09-29
Last Observation Used2022-02-26
Observations (82)
Date Type RA Dec Mag Band Observatory
2021-09-29 04:12:36 C 18 30 16.85 +52 54 30.7 V G96
2021-09-29 04:20:10 C 18 30 18.00 +52 54 48.9 V G96
2021-09-29 04:27:44 C 18 30 19.15 +52 55 06.9 V G96
2021-09-29 04:35:18 C 18 30 20.31 +52 55 24.4 V G96
2021-09-29 06:14:27 C 18 30 37.17 +52 59 09.7 V V06
2021-09-29 06:15:35 C 18 30 37.37 +52 59 11.9 V V06
2021-09-29 06:16:44 C 18 30 37.58 +52 59 14.1 V V06
2021-09-29 06:17:53 C 18 30 37.80 +52 59 16.7 V V06
2021-09-29 16:40:59 C 18 32 49.70 +53 27 58.4 V N51
2021-09-29 16:50:15 C 18 32 51.29 +53 28 17.8 V N51
2021-09-29 16:59:31 C 18 32 52.90 +53 28 37.6 V N51
2021-09-29 18:29:09 C 18 33 22.50 +53 32 59.6 V L01
2021-09-29 18:37:38 C 18 33 23.68 +53 33 20.4 V L01
2021-09-29 18:42:11 C 18 33 24.33 +53 33 31.4 V L01
2021-09-29 18:46:07 C 18 33 24.82 +53 33 41.5 V L01
2021-09-29 18:52:57 C 18 33 27.04 +53 33 58.3 V L06
2021-09-29 18:55:01 C 18 33 27.34 +53 34 03.3 V L06
2021-09-29 18:59:09 C 18 33 27.98 +53 34 12.9 V L06
2021-09-29 19:12:02 C 18 33 29.35 +53 34 50.5 X K78
2021-09-29 19:27:30 C 18 33 31.38 +53 35 25.6 V 104
2021-09-29 19:38:19 C 18 33 33.01 +53 35 51.3 V 104
2021-09-29 19:43:45 C 18 33 33.79 +53 36 03.8 V 104
2021-09-29 19:49:22 C 18 33 34.85 +53 36 17.8 X K78
2021-09-29 20:22:10 C 18 33 40.20 +53 37 31.0 V G15
2021-09-29 20:26:40 C 18 33 40.56 +53 37 42.8 X K78
2021-09-29 20:35:00 C 18 33 42.33 +53 38 00.1 V G15
2021-09-29 20:36:55 C 18 33 42.77 +53 38 02.1 V 204
2021-09-29 21:05:28 C 18 33 47.41 +53 39 05.6 V 204
2021-09-29 22:13:12 C 18 34 02.26 +53 41 29.1 V Z99
2021-09-29 22:19:03 C 18 34 03.32 +53 41 42.5 V Z99
2021-09-29 22:25:51 C 18 34 04.48 +53 41 57.7 V Z99
2021-09-30 00:39:36 C 18 34 38.34 +53 49 33.2 X W34
2021-09-30 00:58:02 C 18 34 40.76 +53 50 16.4 X W34
2021-09-30 01:09:48 C 18 34 42.27 +53 50 43.6 X W34
2021-09-30 01:30:13 C 18 34 47.07 +53 51 23.7 u H21
2021-09-30 01:40:48 C 18 34 48.53 +53 51 48.2 u H21
2021-09-30 01:51:22 C 18 34 50.00 +53 52 12.6 u H21
2021-09-30 02:01:57 C 18 34 51.47 +53 52 36.7 u H21
2021-10-01 02:07:51 C 18 39 45.51 +54 51 16.1 V V06
2021-10-01 02:09:47 C 18 39 45.73 +54 51 19.8 V V06
2021-10-01 02:13:38 C 18 39 46.21 +54 51 28.4 V V06
2021-10-02 07:18:40 C 18 45 10.742 +55 53 48.66 V T12
2021-10-02 07:19:54 C 18 45 10.888 +55 53 50.57 V T12
2021-10-02 07:21:16 C 18 45 11.060 +55 53 52.79 V T12
2021-10-02 22:24:47 C 18 47 58.87 +56 22 51.0 V Z31
2021-10-02 22:38:47 C 18 48 00.77 +56 23 11.9 V Z31
2021-10-02 22:52:55 C 18 48 02.69 +56 23 32.0 V Z31
2021-10-02 23:06:54 C 18 48 04.67 +56 23 51.9 V Z31
2021-10-02 23:20:59 C 18 48 06.71 +56 24 11.7 V Z31
2021-10-05 02:08:32 C 18 57 20.13 +57 51 57.7 V V39