2021 SC1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5697761883 ± 1.61e-04
Semi-major axis (a)2.4506006105 AU ± 9.49e-04
Inclination (i)3.13084349° ± 7.25e-04
Long. of Asc. Node (Ω)96.43941012° ± 3.40e-03
Arg. of Perihelion (ω)244.46163933° ± 2.82e-03
Mean Anomaly (M)35.56198625° ± 2.29e-01
Mean Motion (n)0.2569232873°/day ± 1.49e-04
Perihelion dist (q)1.05430674 AU ± 5.68e-04
Aphelion dist (Q)3.84689449 AU ± 1.54e-03
Orbital Period3.83626682 yr ± 2.23e-03
Physical Parameters
H (abs. magnitude)23.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.270″
Uncertainty3
Orbit TypeAmor
MOID0.065516 AU
Observations Used22
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-26
Last Observation Used2021-10-17
Observations (22)
Date Type RA Dec Mag Band Observatory
2021-09-26 14:02:57 C 02 55 30.236 -15 29 02.02 U F52
2021-09-26 14:18:29 C 02 55 30.823 -15 28 20.10 U F52
2021-09-26 14:34:07 C 02 55 31.430 -15 27 37.49 U F52
2021-09-27 05:08:31 C 02 56 24.87 -14 48 00.5 u 807
2021-09-27 05:16:26 C 02 56 25.13 -14 47 40.1 u 807
2021-09-27 05:24:22 C 02 56 25.43 -14 47 19.9 u 807
2021-09-27 13:25:22 C 02 56 50.28 -14 26 23.7 V 474
2021-09-27 13:28:45 C 02 56 50.43 -14 26 15.4 V 474
2021-09-27 13:32:09 C 02 56 50.56 -14 26 06.6 V 474
2021-09-27 13:35:33 C 02 56 50.65 -14 25 58.0 V 474
2021-09-28 07:16:31 C 02 57 42.09 -13 43 10.1 u H21
2021-09-28 07:25:06 C 02 57 42.36 -13 42 49.3 u H21
2021-09-28 07:30:42 C 02 57 42.54 -13 42 35.8 u H21
2021-09-30 10:48:38 C 02 59 45.325 -11 42 34.73 U F51
2021-09-30 11:08:07 C 02 59 45.651 -11 41 52.25 U F51
2021-10-01 11:50:03 C 03 00 26.64 -10 48 47.3 V V06
2021-10-01 11:51:59 C 03 00 26.63 -10 48 43.1 V V06
2021-10-01 11:53:55 C 03 00 26.65 -10 48 38.1 V V06
2021-10-01 11:55:51 C 03 00 26.72 -10 48 34.8 V V06
2021-10-17 08:04:30 C 03 00 17.93 -01 09 30.4 o 291
2021-10-17 08:17:25 C 03 00 17.56 -01 09 16.2 o 291
2021-10-17 08:30:20 C 03 00 17.20 -01 09 01.3 o 291