2021 SH3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6271089611 ± 2.00e+00
Semi-major axis (a)2.5344988945 AU ± 3.00e+00
Inclination (i)3.42281462° ± 4.00e+00
Long. of Asc. Node (Ω)28.03351802° ± 5.00e+00
Arg. of Perihelion (ω)298.55658701° ± 6.00e+00
Mean Anomaly (M)17.48163382° ± 3.47e-01
Mean Motion (n)0.2443907000°/day ± 4.34e-01
Perihelion dist (q)0.94485590 AU ± 5.19e+00
Aphelion dist (Q)4.12244010 AU ± 7.04e+00
Orbital Period4.03291820 yr ± 7.16e+00
Physical Parameters
H (abs. magnitude)25.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.431″
Uncertainty3
Orbit TypeApollo
MOID0.028533 AU
Observations Used18
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-10-02
Observations (18)
Date Type RA Dec Mag Band Observatory
2021-09-30 08:57:49 C 00 40 59.501 -31 39 42.16 U F52
2021-09-30 09:13:24 C 00 41 07.954 -31 34 56.00 U F52
2021-09-30 09:28:51 C 00 41 16.271 -31 30 13.47 U F52
2021-09-30 09:44:28 C 00 41 24.666 -31 25 26.00 U F52
2021-09-30 11:22:09 C 00 42 16.177 -30 55 36.29 V F51
2021-09-30 11:23:19 C 00 42 16.826 -30 55 13.33 V F51
2021-09-30 11:31:34 C 00 42 21.121 -30 52 42.94 V F51
2021-09-30 12:12:42 C 00 42 50.65 -30 36 48.6 V 474
2021-09-30 12:14:35 C 00 42 51.67 -30 36 14.1 V 474
2021-09-30 12:16:29 C 00 42 52.64 -30 35 40.4 V 474
2021-10-02 06:25:34 C 01 01 31.43 -19 45 01.5 u 807
2021-10-02 06:31:11 C 01 01 33.12 -19 43 48.4 u 807
2021-10-02 06:36:46 C 01 01 34.76 -19 42 35.3 u 807
2021-10-02 11:00:27 C 01 03 05.567 -18 49 01.31 U F51
2021-10-02 11:13:22 C 01 03 09.077 -18 46 20.57 U F51
2021-10-02 11:38:38 C 01 03 15.986 -18 41 03.49 U F51
2021-10-02 14:01:27 C 01 03 55.369 -18 11 25.43 V F51
2021-10-02 14:02:22 C 01 03 55.670 -18 11 12.99 V F51