2021 SG

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7229159559
Semi-major axis (a)1.7111837308 AU
Inclination (i)3.16643762°
Long. of Asc. Node (Ω)351.67348436°
Arg. of Perihelion (ω)257.18546010° ± 6.00e+00
Mean Anomaly (M)333.07638869°
Mean Motion (n)0.4403118700°/day
Perihelion dist (q)0.47414210 AU
Aphelion dist (Q)2.94821870 AU
Orbital Period2.23843090 yr
Physical Parameters
H (abs. magnitude)24.01
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.211″
Uncertainty
Orbit TypeApollo
MOID0.002238 AU
Observations Used113
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-09-24
Observations (133)
Date Type RA Dec Mag Band Observatory
2021-09-17 03:50:55 C 22 32 44.38 +17 26 26.5 U I41
2021-09-17 03:51:24 C 22 32 46.31 +17 25 16.0 U I41
2021-09-17 04:04:30 C 22 33 37.27 +16 55 19.0 U I41
2021-09-17 04:05:00 C 22 33 39.25 +16 54 10.6 U I41
2021-09-17 05:39:26 C 22 38 32.10 +13 55 33.5 U I41
2021-09-17 05:39:56 C 22 38 33.39 +13 54 45.6 U I41
2021-09-17 08:50:55 C 22 44 36.14 +10 01 25.7 U I41
2021-09-17 08:51:25 C 22 44 36.85 +10 00 58.1 U I41
2021-09-17 10:10:14 C 22 46 57.00 +08 59 03.9 V T05
2021-09-17 10:14:51 C 22 47 01.94 +08 55 32.5 V T05
2021-09-17 10:23:37 C 22 47 11.21 +08 48 56.1 V T05
2021-09-17 10:38:55 C 22 47 26.99 +08 37 42.7 V T05
2021-09-17 11:16:27 C 22 47 40.54 +08 07 12.3 U I41
2021-09-17 11:16:58 C 22 47 41.06 +08 06 53.0 U I41
2021-09-17 11:17:08 C 22 47 41.31 +08 06 44.7 U I41
2021-09-17 11:17:38 C 22 47 41.88 +08 06 25.2 U I41
2021-09-17 11:17:50 C 22 47 42.01 +08 06 19.3 U I41
2021-09-17 11:18:20 C 22 47 42.62 +08 05 59.5 U I41
2021-09-17 11:18:30 C 22 47 42.88 +08 05 50.3 U I41
2021-09-17 11:19:00 C 22 47 43.49 +08 05 30.9 U I41
2021-09-17 14:55:54 C 22 52 30.26 +06 11 56.4 V N51
2021-09-17 14:56:54 C 22 52 30.80 +06 11 31.8 V N51
2021-09-17 14:57:54 C 22 52 31.40 +06 11 05.7 V N51
2021-09-17 14:58:55 C 22 52 31.97 +06 10 40.8 V N51
2021-09-17 16:22:36 C 22 53 07.62 +05 35 50.9 V N88
2021-09-17 16:23:02 C 22 53 07.82 +05 35 41.8 V N88
2021-09-17 18:39:54 C 22 54 45.66 +04 50 16.0 q L47
2021-09-17 18:45:17 C 22 54 47.89 +04 48 41.6 q L47
2021-09-17 18:53:19 C 22 54 51.15 +04 46 22.1 q L47
2021-09-17 18:53:55 C 22 54 49.99 +04 45 51.9 V 595
2021-09-17 18:54:16 C 22 54 50.15 +04 45 45.5 V 595
2021-09-17 18:54:37 C 22 54 50.29 +04 45 39.5 V 595
2021-09-17 18:55:20 C 22 54 50.57 +04 45 27.5 V 595
2021-09-17 18:56:02 C 22 54 50.85 +04 45 15.2 V 595
2021-09-17 18:56:23 C 22 54 51.00 +04 45 09.5 V 595
2021-09-17 18:56:45 C 22 54 52.54 +04 45 22.8 q L47
2021-09-17 19:17:08 C 22 55 05.06 +04 39 29.3 X 958
2021-09-17 19:18:51 C 22 55 01.09 +04 39 08.9 q L47
2021-09-17 19:22:18 C 22 55 02.37 +04 38 11.5 q L47
2021-09-17 19:22:49 C 22 55 07.34 +04 37 54.8 X 958
2021-09-17 19:24:05 C 22 55 02.52 +04 36 35.5 V C23
2021-09-17 19:25:48 C 22 55 03.70 +04 37 13.8 q L47
2021-09-17 19:28:36 C 22 55 09.61 +04 36 19.5 X 958
2021-09-17 19:29:18 C 22 55 04.98 +04 36 16.2 q L47
2021-09-17 19:32:48 C 22 55 06.22 +04 35 19.2 q L47
2021-09-17 19:32:50 C 22 55 04.74 +04 34 25.5 V K74
2021-09-17 19:34:05 C 22 55 09.28 +04 34 50.9 Z K19
2021-09-17 19:34:18 C 22 55 05.31 +04 34 01.7 V K74
2021-09-17 19:36:16 C 22 55 07.49 +04 34 22.6 q L47
2021-09-17 19:36:28 C 22 55 06.13 +04 33 26.0 V K74