IAA RAS IAA Minor Planet Database

2021 SK

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3945618000
Semi-major axis (a)1.0275185000 AU
Inclination (i)5.43682000°
Long. of Asc. Node (Ω)178.65508000°
Arg. of Perihelion (ω)293.58458000°
Mean Anomaly (M)293.98355000°
Mean Motion (n)0.9462799300°/day
Perihelion dist (q)0.62209900 AU
Aphelion dist (Q)1.43293800 AU
Orbital Period1.04156040 yr
Physical Parameters
H (abs. magnitude)25.36
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.810″
Uncertainty8
Orbit TypeApollo
MOID0.005430 AU
Observations Used16
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-09-18
Observations (17)
Date Type RA Dec Mag Band Observatory
2021-09-16 10:02:03 C 02 34 04.32 +19 06 19.5 – V G96
2021-09-16 10:10:13 C 02 34 08.87 +19 06 23.0 – V G96
2021-09-16 10:18:23 C 02 34 13.41 +19 06 25.8 – V G96
2021-09-16 10:26:33 C 02 34 18.12 +19 06 29.0 – V G96
2021-09-16 11:32:11 C 02 34 55.38 +19 06 51.2 – V G96
2021-09-16 11:33:33 C 02 34 55.88 +19 06 51.4 – V G96
2021-09-16 11:37:25 C 02 34 58.38 +19 06 52.7 – V G96
2021-09-17 07:43:45 C 02 48 15.63 +19 12 44.1 – u H21
2021-09-17 07:51:48 C 02 48 21.16 +19 12 46.8 – u H21
2021-09-17 07:59:51 C 02 48 26.70 +19 12 49.1 – u H21
2021-09-17 09:02:47 C 02 49 10.70 +19 13 04.6 – V 734
2021-09-17 09:17:21 C 02 49 20.72 +19 13 07.4 – V 734
2021-09-17 09:39:38 C 02 49 36.06 +19 13 13.2 – V 734
2021-09-18 10:13:01 C 03 09 22.03 +19 15 00.0 – V G96
2021-09-18 10:14:03 C 03 09 22.91 +19 15 00.0 – V G96
2021-09-18 10:15:05 C 03 09 23.79 +19 15 00.0 – V G96
2021-09-18 10:16:07 C 03 09 24.65 +19 14 59.8 – V G96