2021 SH2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4048496983 ± 1.47e-05
Semi-major axis (a)1.4423875853 AU ± 3.27e-05
Inclination (i)18.31988153° ± 6.49e-04
Long. of Asc. Node (Ω)199.77334461° ± 8.91e-05
Arg. of Perihelion (ω)262.55274199° ± 3.28e-04
Mean Anomaly (M)92.11237783° ± 2.73e-02
Mean Motion (n)0.5689699274°/day ± 1.94e-05
Perihelion dist (q)0.85843741 AU ± 2.88e-05
Aphelion dist (Q)2.02633776 AU ± 5.06e-05
Orbital Period1.73229943 yr ± 5.89e-05
Physical Parameters
H (abs. magnitude)23.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.102″
Uncertainty2
Orbit TypeApollo
MOID0.094622 AU
Observations Used34
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-28
Last Observation Used2021-11-13
Observations (37)
Date Type RA Dec Mag Band Observatory
2021-09-28 08:10:14 C 00 20 37.359 +23 45 48.86 U F52
2021-09-28 08:28:34 C 00 20 36.638 +23 45 18.75 U F52
2021-09-28 08:46:56 C 00 20 35.926 +23 44 48.69 U F52
2021-09-28 12:37:11 C 00 20 26.824 +23 38 21.29 V F51
2021-09-28 12:38:22 C 00 20 26.764 +23 38 19.24 V F51
2021-09-29 04:37:45 C 00 19 58.80 +23 10 31.4 u H21
2021-09-29 05:00:53 C 00 19 57.94 +23 09 50.2 u H21
2021-09-29 06:57:03 C 00 19 55.589 +23 06 30.21 U F51
2021-09-29 07:13:42 C 00 19 54.950 +23 06 01.01 U F51
2021-09-29 07:30:18 C 00 19 54.303 +23 05 31.98 U F51
2021-09-29 07:46:56 C 00 19 53.643 +23 05 02.66 U F51
2021-09-30 12:17:10 C 00 18 55.299 +22 11 42.40 U F51
2021-09-30 12:34:00 C 00 18 54.596 +22 11 09.27 U F51
2021-09-30 12:50:41 C 00 18 53.899 +22 10 35.89 U F51
2021-09-30 13:07:26 C 00 18 53.221 +22 10 02.29 U F51
2021-10-03 07:27:18 C 00 16 34.938 +19 46 10.30 U F52
2021-10-03 07:42:48 C 00 16 34.215 +19 45 33.71 U F52
2021-10-03 08:13:49 C 00 16 32.765 +19 44 20.21 U F52
2021-10-05 07:22:22 C 00 14 43.507 +17 43 12.30 U F52
2021-10-05 07:55:29 C 00 14 41.862 +17 41 42.05 U F52
2021-10-05 08:12:05 C 00 14 41.034 +17 40 56.72 U F52
2021-10-24 01:09:27 C 23 53 19.43 -19 41 57.8 u 807
2021-10-24 01:15:26 C 23 53 19.01 -19 42 41.1 u 807
2021-10-24 01:21:20 C 23 53 18.59 -19 43 24.0 u 807
2021-10-24 03:51:32 C 23 53 10.89 -20 02 31.4 V 291
2021-10-24 03:55:53 C 23 53 10.60 -20 03 03.1 V 291
2021-10-24 04:00:14 C 23 53 10.30 -20 03 34.6 V 291
2021-10-26 00:33:39 C 23 50 49.18 -25 29 28.3 u 807
2021-10-26 00:42:49 C 23 50 48.53 -25 30 36.7 u 807
2021-10-26 00:52:01 C 23 50 47.93 -25 31 45.5 u 807
2021-11-06 09:50:20 C 23 34 09.74 -57 13 47.2 V 474
2021-11-06 09:55:31 C 23 34 09.24 -57 14 17.8 V 474
2021-11-06 10:00:42 C 23 34 08.73 -57 14 49.0 V 474
2021-11-06 10:05:52 C 23 34 08.24 -57 15 19.5 V 474
2021-11-13 00:47:09 C 23 17 56.82 -70 57 03.2 V 807
2021-11-13 00:58:07 C 23 17 54.79 -70 57 51.7 V 807
2021-11-13 01:09:04 C 23 17 52.74 -70 58 40.1 V 807