2021 CK2

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6969738362 ± 9.45e-07
Semi-major axis (a)2.6326275539 AU ± 7.43e-06
Inclination (i)7.83048033° ± 1.02e-05
Long. of Asc. Node (Ω)305.80339414° ± 9.66e-06
Arg. of Perihelion (ω)134.28718004° ± 1.58e-05
Mean Anomaly (M)51.36585299° ± 1.75e-03
Mean Motion (n)0.2307427916°/day ± 9.77e-07
Perihelion dist (q)0.79775503 AU ± 3.36e-06
Aphelion dist (Q)4.46750008 AU ± 1.29e-05
Orbital Period4.27153662 yr ± 1.81e-05
Physical Parameters
H (abs. magnitude)20.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.204″
Uncertainty1
Orbit TypeApollo
MOID0.026406 AU
Observations Used206
Oppositions1
Arc Total2020-2021
First Observation Used2020-09-11
Last Observation Used2021-04-03
Observations (225)
Date Type RA Dec Mag Band Observatory
2021-02-08 02:02:32 C 03 57 17.01 -22 11 46.2 V I52
2021-02-08 02:02:48 C 03 57 17.65 -22 11 47.1 V I52
2021-02-08 02:03:05 C 03 57 18.29 -22 11 48.1 V I52
2021-02-08 02:03:21 C 03 57 18.94 -22 11 49.1 V I52
2021-02-08 19:23:05 C 04 39 14.60 -22 52 12.1 V 204
2021-02-08 19:26:07 C 04 39 21.67 -22 52 15.4 V 204
2021-02-08 19:29:09 C 04 39 28.78 -22 52 19.1 V 204
2021-02-10 07:36:25 C 05 56 41.11 -22 15 59.0 V T08
2021-02-10 07:41:43 C 05 56 50.69 -22 15 45.1 V T08
2021-02-10 07:50:21 C 05 57 06.22 -22 15 22.6 V T08
2021-02-10 08:08:55 C 05 57 39.65 -22 14 33.5 V T08
2021-02-10 20:31:10 C 06 19 17.80 -21 39 42.8 V 204
2021-02-10 20:34:27 C 06 19 23.08 -21 39 32.4 V 204
2021-02-10 20:37:45 C 06 19 28.38 -21 39 22.1 V 204
2021-02-11 06:25:17 C 06 34 41.50 -21 06 55.4 V G96
2021-02-11 06:31:25 C 06 34 50.39 -21 06 33.7 V G96
2021-02-11 06:37:31 C 06 34 59.20 -21 06 12.6 V G96
2021-02-11 06:43:39 C 06 35 08.03 -21 05 51.2 V G96
2021-02-11 14:14:06 C 06 45 54.113 -20 40 15.39 V O85
2021-02-11 14:17:00 C 06 45 57.988 -20 40 05.07 V O85
2021-02-11 14:21:05 C 06 46 03.409 -20 39 50.69 V O85
2021-02-11 14:23:44 C 06 46 06.913 -20 39 41.35 V O85
2021-02-11 14:25:03 C 06 46 08.647 -20 39 36.95 V O85
2021-02-11 14:26:23 C 06 46 10.413 -20 39 32.07 V O85
2021-02-11 14:30:21 C 06 46 15.681 -20 39 18.41 V O85
2021-02-11 14:31:41 C 06 46 17.418 -20 39 14.08 V O85
2021-02-11 14:33:00 C 06 46 19.155 -20 39 09.38 V O85
2021-02-11 14:34:20 C 06 46 20.941 -20 39 04.30 V O85
2021-02-11 14:36:59 C 06 46 24.455 -20 38 55.12 V O85
2021-02-11 14:42:17 C 06 46 31.428 -20 38 36.78 V O85
2021-02-11 14:44:55 C 06 46 34.955 -20 38 27.37 V O85
2021-02-12 08:33:21 C 07 08 40.64 -19 35 50.9 V T05
2021-02-12 08:37:57 C 07 08 45.63 -19 35 34.9 V T05
2021-02-12 08:46:32 C 07 08 54.94 -19 35 04.9 V T05
2021-02-12 09:02:21 C 07 09 12.04 -19 34 09.4 V T05
2021-02-13 19:38:35 C 07 41 54.23 -17 41 21.9 V G17
2021-02-13 19:43:58 C 07 41 58.33 -17 41 06.0 V G17
2021-02-13 19:49:22 C 07 42 02.44 -17 40 49.4 V G17
2021-02-13 22:22:44 C 07 43 57.20 -17 33 10.5 V 595
2021-02-13 22:24:30 C 07 43 58.53 -17 33 04.7 V 595
2021-02-13 22:28:02 C 07 44 01.15 -17 32 54.4 V 595
2021-02-13 22:29:49 C 07 44 02.48 -17 32 48.8 V 595
2021-02-14 10:13:44 C 07 52 30.67 -16 58 08.4 V T08
2021-02-14 10:27:40 C 07 52 39.78 -16 57 28.3 V T08
2021-02-14 10:44:57 C 07 52 51.05 -16 56 38.7 V T08
2021-02-14 19:41:28 C 07 58 47.58 -16 32 49.0 V 246
2021-02-14 19:42:42 C 07 58 48.34 -16 32 45.5 V 246
2021-02-14 19:42:56 C 07 58 48.47 -16 32 44.8 V 246
2021-02-14 19:43:11 C 07 58 48.61 -16 32 44.2 V 246
2021-02-14 19:51:30 C 07 58 53.70 -16 32 22.3 V 246