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
2021-10-05 02:42:55 C 18 57 23.66 +57 52 44.4 V V39
2021-10-05 03:11:40 C 18 57 26.76 +57 53 21.5 V V39
2021-10-05 03:46:16 C 18 57 30.68 +57 54 04.2 V V39
2021-10-05 04:19:23 C 18 57 34.67 +57 54 43.0 V V39
2021-10-05 04:45:07 C 18 57 37.95 +57 55 12.2 V V39
2021-10-06 04:21:10 C 19 01 43.18 +58 30 09.8 V 673
2021-10-06 04:32:46 C 19 01 44.49 +58 30 22.4 V 673
2021-10-06 04:49:31 C 19 01 46.44 +58 30 40.3 V 673
2021-10-06 05:00:19 C 19 01 47.76 +58 30 52.2 V 673
2021-10-07 07:11:14 C 19 06 07.708 +59 06 26.90 V T12
2021-10-07 07:11:58 C 19 06 07.781 +59 06 27.56 V T12
2021-10-07 07:12:38 C 19 06 07.850 +59 06 28.25 V T12
2021-10-14 03:44:37 C 19 31 28.20 +61 49 02.3 V 291
2021-10-14 03:55:23 C 19 31 29.23 +61 49 08.1 V 291
2021-10-14 04:06:10 C 19 31 30.29 +61 49 13.9 V 291
2021-10-18 06:35:21 C 19 45 33.417 +62 55 22.54 U F51
2021-10-18 06:54:19 C 19 45 35.087 +62 55 29.22 U F51
2021-10-18 07:13:16 C 19 45 36.793 +62 55 35.63 U F51
2021-10-30 02:53:19 C 20 25 16.53 +64 48 27.0 V I52
2021-10-30 03:18:22 C 20 25 19.11 +64 48 29.8 V I52
2021-11-05 04:45:37 C 20 47 09.372 +65 16 49.19 V T12
2021-11-07 05:02:03 C 20 54 47.694 +65 22 55.96 V T12
2021-11-07 05:06:31 C 20 54 48.193 +65 22 56.20 V T12
2021-11-07 05:10:49 C 20 54 48.679 +65 22 56.40 V T12
2021-11-11 04:47:18 C 21 10 40.302 +65 31 18.06 V T12
2021-11-11 04:49:33 C 21 10 40.583 +65 31 18.17 V T12
2021-11-11 04:51:38 C 21 10 40.853 +65 31 18.07 V T12
2022-01-09 05:36:49 C 02 12 59.064 +54 36 05.76 V T12
2022-01-09 05:59:44 C 02 13 03.293 +54 35 42.50 V T12
2022-02-26 07:37:25 C 05 26 04.157 +34 20 00.23 V T12
2022-02-26 07:47:47 C 05 26 05.534 +34 19 49.58 V T12
2022-02-26 07:58:17 C 05 26 06.919 +34 19 39.03 V T12