2021 SC

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4105471682
Semi-major axis (a)1.6785517181 AU
Inclination (i)1.57139000° ± 4.00e+00
Long. of Asc. Node (Ω)178.99364648° ± 5.00e+00
Arg. of Perihelion (ω)149.01818148° ± 6.00e+00
Mean Anomaly (M)342.10312030°
Mean Motion (n)0.4533540800°/day
Perihelion dist (q)0.98848590 AU
Aphelion dist (Q)2.36791910 AU
Orbital Period2.17403510 yr
Physical Parameters
H (abs. magnitude)28.09
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.886″
Uncertainty
Orbit TypeApollo
MOID0.004795 AU
Observations Used22
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-09-17
Observations (23)
Date Type RA Dec Mag Band Observatory
2021-09-16 06:34:47 C 00 02 08.61 +13 20 31.8 V G96
2021-09-16 06:42:14 C 00 02 21.46 +13 20 13.5 V G96
2021-09-16 07:03:48 C 00 02 58.47 +13 19 19.3 V G96
2021-09-16 10:32:06 C 00 08 44.73 +13 09 39.1 V G96
2021-09-16 10:32:22 C 00 08 45.15 +13 09 38.5 V G96
2021-09-16 10:32:37 C 00 08 45.58 +13 09 37.7 V G96
2021-09-16 10:32:53 C 00 08 46.01 +13 09 36.9 V G96
2021-09-16 21:26:00 C 00 26 37.07 +12 39 53.6 X 958
2021-09-16 21:32:48 C 00 26 45.97 +12 39 37.8 X 958
2021-09-16 21:39:42 C 00 26 55.10 +12 39 22.2 X 958
2021-09-16 23:34:24 C 00 29 19.18 +12 34 04.7 V J95
2021-09-16 23:53:19 C 00 29 42.70 +12 33 20.7 V J95
2021-09-17 01:19:33 C 00 31 26.54 +12 30 52.9 V I93
2021-09-17 01:23:32 C 00 31 31.28 +12 30 43.5 V I93
2021-09-17 01:27:40 C 00 31 36.16 +12 30 33.4 V I93
2021-09-17 04:24:41 C 00 35 48.82 +12 24 20.9 q 858
2021-09-17 04:30:14 C 00 35 55.17 +12 24 09.9 q 858
2021-09-17 04:36:10 C 00 36 01.90 +12 23 58.1 q 858
2021-09-17 04:39:37 C 00 35 57.46 +12 23 33.7 u H21
2021-09-17 04:42:25 C 00 36 00.58 +12 23 27.6 u H21
2021-09-17 04:45:12 C 00 36 03.69 +12 23 21.7 u H21
2021-09-17 04:48:00 C 00 36 06.79 +12 23 15.9 u H21
2021-09-17 04:50:47 C 00 36 09.87 +12 23 09.9 u H21