2021 SG3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5809866494 ± 1.56e-08
Semi-major axis (a)2.5255703949 AU ± 2.16e-09
Inclination (i)1.68645220° ± 2.35e-06
Long. of Asc. Node (Ω)154.83447401° ± 7.75e-05
Arg. of Perihelion (ω)240.01248466° ± 9.61e-05
Mean Anomaly (M)5.44618269° ± 5.64e-06
Mean Motion (n)0.2455687271°/day ± 3.15e-10
Perihelion dist (q)1.05824771 AU ± 3.94e-08
Aphelion dist (Q)3.99289308 AU ± 3.95e-08
Orbital Period4.01364740 yr ± 5.15e-09
Physical Parameters
H (abs. magnitude)25.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.215″
Uncertainty0
Orbit TypeAmor
MOID0.067867 AU
Observations Used60
Oppositions6
Arc Total2017-2025
First Observation Used2017-09-15
Last Observation Used2025-11-16
Observations (60)
Date Type RA Dec Mag Band Observatory
2017-09-15 10:59:31 C 00 50 33.770 +00 46 01.47 V F51
2017-09-15 11:17:00 C 00 50 37.463 +00 46 12.28 V F51
2017-09-17 11:24:18 C 01 02 05.671 +01 16 59.19 V F51
2017-09-17 11:41:39 C 01 02 09.759 +01 17 10.77 V F51
2017-09-17 11:59:03 C 01 02 13.833 +01 17 22.47 V F51
2017-09-24 10:23:47 C 01 51 37.287 +03 27 07.41 V F51
2017-09-24 10:41:58 C 01 51 43.257 +03 27 23.88 V F51
2017-09-24 11:00:15 C 01 51 49.195 +03 27 39.89 V F51
2017-09-26 11:48:11 C 02 09 21.408 +04 12 14.79 V F51
2017-09-26 12:07:56 C 02 09 28.373 +04 12 33.27 V F51
2017-09-26 12:27:26 C 02 09 35.285 +04 12 51.57 V F51
2017-09-26 12:47:03 C 02 09 42.185 +04 13 09.91 V F51
2017-09-28 12:34:44 C 02 28 13.114 +04 58 51.82 V F51
2017-09-28 12:52:01 C 02 28 19.664 +04 59 08.77 V F51
2017-09-28 13:26:43 C 02 28 32.800 +04 59 41.94 V F51
2017-09-30 12:03:30 C 02 47 44.321 +05 45 16.49 V F51
2017-09-30 12:20:57 C 02 47 51.331 +05 45 33.78 V F51
2017-09-30 12:38:26 C 02 47 58.314 +05 45 51.03 V F51
2017-09-30 12:55:58 C 02 48 05.313 +05 46 08.27 V F51
2021-09-29 11:15:33 C 00 35 00.796 -06 06 08.22 U F51
2021-09-29 11:31:38 C 00 35 04.820 -06 06 02.95 U F51
2021-09-29 11:47:47 C 00 35 08.870 -06 05 57.49 U F51
2021-09-30 08:32:27 C 00 41 01.468 -05 58 45.54 U F51
2021-09-30 08:53:48 C 00 41 07.168 -05 58 38.04 U F51
2021-09-30 09:39:39 C 00 41 19.346 -05 58 21.65 U F51
2021-09-30 21:17:31 C 00 44 44.64 -05 54 20.2 V I93
2021-09-30 21:28:17 C 00 44 47.68 -05 54 17.0 V I93
2021-09-30 21:39:03 C 00 44 50.66 -05 54 12.5 V I93
2021-10-02 04:04:54 C 00 54 10.48 -05 39 22.4 u 807
2021-10-02 04:13:55 C 00 54 13.18 -05 39 17.3 u 807
2021-10-02 04:23:06 C 00 54 15.86 -05 39 13.3 u 807
2021-10-03 09:07:14 C 01 03 45.680 -05 25 58.12 U F51
2021-10-03 09:22:14 C 01 03 50.436 -05 25 50.16 U F51
2021-10-03 09:45:28 C 01 03 57.785 -05 25 37.63 U F51
2021-10-03 10:00:27 C 01 04 02.520 -05 25 29.64 U F51
2021-10-05 11:59:39 C 01 22 00.003 -04 54 43.01 U F51
2021-10-05 12:48:53 C 01 22 17.490 -04 54 08.20 U F51
2021-10-10 08:47:08 C 02 11 11.19 -03 13 05.0 V G96
2021-10-10 08:57:57 C 02 11 15.85 -03 12 53.7 V G96
2021-10-10 09:05:27 C 02 11 19.10 -03 12 45.7 V G96
2021-10-10 09:12:56 C 02 11 22.32 -03 12 37.9 V G96
2025-09-16 07:50:33 C 22 02 53.430 -14 35 18.72 V F52
2025-09-16 08:06:03 C 22 02 53.489 -14 35 25.94 V F52
2025-11-07 10:19:56 C 02 59 21.517 -05 57 41.18 V F51
2025-11-10 11:05:42 C 03 27 49.368 -02 57 21.18 V F51
2025-11-10 11:09:46 C 03 27 50.756 -02 57 10.77 V F51
2025-11-12 08:06:07 C 03 43 24.870 -01 12 50.40 V G96
2025-11-12 08:14:09 C 03 43 27.383 -01 12 32.44 V G96
2025-11-12 08:22:11 C 03 43 29.744 -01 12 15.05 V G96
2025-11-12 08:30:13 C 03 43 32.246 -01 11 56.72 V G96