2021 CK

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5721498000 ± 4.78e-02
Semi-major axis (a)1.5335373000 AU ± 1.20e-01
Inclination (i)4.25696000° ± 4.67e-01
Long. of Asc. Node (Ω)294.80204000° ± 5.39e-01
Arg. of Perihelion (ω)299.03781000° ± 1.35e-01
Mean Anomaly (M)153.43178000° ± 1.02e+02
Mean Motion (n)0.5189942500°/day ± 6.08e-02
Perihelion dist (q)0.65612420 AU ± 8.95e-02
Aphelion dist (Q)2.41095040 AU ± 2.02e-01
Orbital Period1.89907240 yr ± 2.22e-01
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.220″
Uncertainty7
Orbit TypeApollo
MOID0.034315 AU
Observations Used24
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-19
Observations (24)
Date Type RA Dec Mag Band Observatory
2021-02-05 04:14:45 C 07 50 35.80 +11 47 03.4 V G96
2021-02-05 04:22:45 C 07 50 33.49 +11 46 55.8 V G96
2021-02-05 04:30:44 C 07 50 31.16 +11 46 48.5 V G96
2021-02-05 04:38:44 C 07 50 28.80 +11 46 40.5 V G96
2021-02-05 07:05:20 C 07 49 45.68 +11 44 16.2 V I52
2021-02-05 07:13:54 C 07 49 43.14 +11 44 07.8 V I52
2021-02-05 07:22:29 C 07 49 40.62 +11 43 59.1 V I52
2021-02-06 03:26:41 C 07 43 50.17 +11 23 02.7 u H21
2021-02-06 03:42:46 C 07 43 45.08 +11 22 45.8 u H21
2021-02-06 04:14:41 C 07 43 36.24 +11 22 16.2 V V06
2021-02-06 04:20:23 C 07 43 34.41 +11 22 10.4 V V06
2021-02-06 04:26:06 C 07 43 32.65 +11 22 04.2 V V06
2021-02-06 04:31:48 C 07 43 30.86 +11 21 57.7 V V06
2021-02-06 10:10:03 C 07 41 46.84 +11 16 47.7 V 474
2021-02-06 10:20:23 C 07 41 43.48 +11 16 36.9 V 474
2021-02-06 10:27:20 C 07 41 41.30 +11 16 29.0 V 474
2021-02-06 10:30:38 C 07 41 40.21 +11 16 25.9 V 474
2021-02-09 03:12:39 C 07 19 21.00 +09 50 57.9 V V06
2021-02-09 03:17:21 C 07 19 19.13 +09 50 50.9 V V06
2021-02-11 02:30:21 C 06 59 37.15 +08 32 17.9 V 807
2021-02-11 02:38:11 C 06 59 33.48 +08 32 03.2 V 807
2021-02-19 03:37:11 C 05 01 20.04 -00 39 34.8 V V06
2021-02-19 03:44:32 C 05 01 14.23 -00 40 02.6 V V06
2021-02-19 03:51:53 C 05 01 08.40 -00 40 30.5 V V06