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 19:36:30 C 22 55 10.18 +04 34 11.5 Z K19
2021-09-17 19:38:39 C 22 55 06.95 +04 32 50.9 V K74
2021-09-17 19:38:56 C 22 55 11.06 +04 33 32.0 Z K19
2021-09-17 19:41:00 C 22 55 07.84 +04 32 12.2 V K74
2021-09-17 19:41:22 C 22 55 11.95 +04 32 52.8 Z K19
2021-09-17 19:42:17 C 22 55 08.32 +04 31 51.9 V K74
2021-09-17 19:42:41 C 22 55 09.74 +04 31 32.8 V C23
2021-09-17 19:43:47 C 22 55 12.84 +04 32 13.8 Z K19
2021-09-17 19:44:22 C 22 55 15.33 +04 32 24.5 V B49
2021-09-17 19:44:40 C 22 55 09.21 +04 31 13.7 V K74
2021-09-17 19:45:10 C 22 55 15.63 +04 32 11.8 V B49
2021-09-17 19:45:36 C 22 55 11.60 +04 31 33.0 V 203
2021-09-17 19:45:58 C 22 55 15.90 +04 31 59.3 V B49
2021-09-17 19:46:12 C 22 55 13.72 +04 31 34.9 Z K19
2021-09-17 19:47:37 C 22 55 11.59 +04 30 13.6 V C23
2021-09-17 19:47:56 C 22 55 16.62 +04 31 27.5 V B49
2021-09-17 19:48:19 C 22 55 10.51 +04 30 15.5 V K74
2021-09-17 19:48:20 C 22 55 16.77 +04 31 21.0 V B49
2021-09-17 19:48:38 C 22 55 14.59 +04 30 56.3 Z K19
2021-09-17 19:51:03 C 22 55 15.46 +04 30 17.7 Z K19
2021-09-17 19:51:05 C 22 55 12.89 +04 29 18.7 V C23
2021-09-17 19:51:34 C 22 55 13.74 +04 29 57.8 V 203
2021-09-17 19:51:41 C 22 55 17.97 +04 30 27.8 V B49
2021-09-17 19:53:29 C 22 55 16.31 +04 29 38.9 Z K19
2021-09-17 19:55:54 C 22 55 17.18 +04 29 01.0 Z K19
2021-09-17 19:58:19 C 22 55 18.03 +04 28 22.6 Z K19
2021-09-17 20:00:44 C 22 55 18.88 +04 27 44.7 Z K19
2021-09-17 20:01:35 C 22 55 17.24 +04 27 19.7 V 203
2021-09-17 20:03:35 C 22 55 19.17 +04 25 57.2 V Z80
2021-09-17 20:05:36 C 22 55 19.90 +04 25 25.6 V Z80
2021-09-17 20:05:40 C 22 55 20.55 +04 26 27.6 Z K19
2021-09-17 20:07:36 C 22 55 20.63 +04 24 54.1 V Z80
2021-09-17 20:08:19 C 22 55 25.66 +04 26 17.7 X J57
2021-09-17 20:11:43 C 22 55 26.83 +04 25 24.7 X J57
2021-09-17 20:12:16 C 22 55 22.79 +04 24 44.4 Z K19
2021-09-17 20:13:21 C 22 55 22.69 +04 23 25.3 V Z80
2021-09-17 20:15:25 C 22 55 28.07 +04 24 27.7 X J57
2021-09-17 20:16:26 C 22 55 22.01 +04 22 42.9 V C23
2021-09-17 20:18:52 C 22 55 25.03 +04 23 03.2 Z K19
2021-09-17 20:21:22 C 22 55 23.74 +04 21 27.0 V C23
2021-09-17 20:21:24 C 22 55 25.97 +04 21 22.0 V J95
2021-09-17 20:22:51 C 22 55 26.09 +04 21 00.0 V Z80
2021-09-17 20:24:14 C 22 55 26.97 +04 20 39.0 V J95
2021-09-17 20:25:44 C 22 55 27.50 +04 20 16.5 V J95
2021-09-17 20:27:17 C 22 55 28.05 +04 19 52.9 V J95
2021-09-17 20:28:47 C 22 55 26.27 +04 19 35.1 V C23
2021-09-17 21:13:44 C 22 55 38.85 +04 09 36.4 q L47
2021-09-17 21:17:11 C 22 55 39.86 +04 08 47.3 q L47
2021-09-17 21:20:34 C 22 55 40.82 +04 07 59.2 q L47
2021-09-17 21:43:24 C 22 55 47.21 +04 02 40.2 q L47