2021 SK1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2302465000
Semi-major axis (a)1.2588436000 AU
Inclination (i)25.56167000°
Long. of Asc. Node (Ω)184.26926000°
Arg. of Perihelion (ω)221.49699000°
Mean Anomaly (M)310.95765000°
Mean Motion (n)0.6978248100°/day
Perihelion dist (q)0.96899930 AU
Aphelion dist (Q)1.54868790 AU
Orbital Period1.41239990 yr
Physical Parameters
H (abs. magnitude)25.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.980″
Uncertainty7
Orbit TypeApollo
MOID0.012344 AU
Observations Used16
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-30
Observations (26)
Date Type RA Dec Mag Band Observatory
2021-09-27 04:58:51 C 21 34 57.54 +08 04 27.2 U I41
2021-09-27 04:59:21 C 21 34 57.67 +08 04 04.1 U I41
2021-09-27 05:57:07 C 21 35 16.94 +07 18 58.7 U I41
2021-09-27 05:57:37 C 21 35 17.08 +07 18 35.9 U I41
2021-09-27 05:58:30 C 21 35 17.29 +07 17 51.3 U I41
2021-09-27 05:59:00 C 21 35 17.48 +07 17 32.0 U I41
2021-09-28 05:32:53 C 21 47 17.21 -14 13 21.6 U I41
2021-09-28 05:33:22 C 21 47 17.36 -14 13 52.2 U I41
2021-09-28 09:20:04 C 21 49 40.80 -17 54 57.6 V R65
2021-09-28 09:21:35 C 21 49 41.58 -17 56 30.8 V R65
2021-09-28 09:23:04 C 21 49 42.37 -17 58 02.0 V R65
2021-09-28 09:39:23 C 21 49 50.84 -18 14 44.6 V R65
2021-09-28 09:41:41 C 21 49 52.05 -18 17 04.1 V R65
2021-09-28 09:43:56 C 21 49 53.23 -18 19 24.4 V R65
2021-09-28 20:02:41 C 21 56 51.18 -28 59 57.6 V L01
2021-09-28 20:03:54 C 21 56 52.00 -29 01 12.5 V L01
2021-09-28 20:05:08 C 21 56 52.78 -29 02 26.3 V L01
2021-09-28 20:06:22 C 21 56 53.53 -29 03 40.9 V L01
2021-09-28 20:07:51 C 21 56 54.47 -29 05 10.5 V L01
2021-09-30 08:57:59 C 22 33 19.74 -59 17 45.4 V R65
2021-09-30 09:02:57 C 22 33 25.58 -59 20 48.3 V R65
2021-09-30 09:07:52 C 22 33 31.47 -59 23 49.1 V R65
2021-09-30 11:24:18 C 22 36 17.59 -60 44 43.4 V 474
2021-09-30 11:25:05 C 22 36 18.54 -60 45 10.7 V 474
2021-09-30 11:27:25 C 22 36 21.41 -60 46 30.9 V 474
2021-09-30 11:28:12 C 22 36 22.34 -60 46 57.7 V 474