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
2021-02-14 19:51:42 C 07 58 53.76 -16 32 21.9 V 246
2021-02-14 19:51:53 C 07 58 53.87 -16 32 21.4 V 246
2021-02-14 19:52:03 C 07 58 54.00 -16 32 20.9 V 246
2021-02-14 19:52:14 C 07 58 54.09 -16 32 20.5 V 246
2021-02-15 09:13:15 C 08 06 43.30 -15 57 29.9 V T08
2021-02-15 09:21:13 C 08 06 47.47 -15 57 10.3 V T08
2021-02-15 09:26:31 C 08 06 50.25 -15 56 56.9 V T08
2021-02-15 09:43:07 C 08 06 58.97 -15 56 15.6 V T08
2021-02-16 09:43:24 C 08 18 58.96 -15 01 01.7 V T05
2021-02-16 09:51:48 C 08 19 02.52 -15 00 43.4 V T05
2021-02-16 10:13:44 C 08 19 11.84 -14 59 55.8 V T05
2021-02-16 15:10:41 C 08 21 24.893 -14 49 45.86 V O85
2021-02-16 15:12:01 C 08 21 25.440 -14 49 43.12 V O85
2021-02-16 15:13:35 C 08 21 26.079 -14 49 39.65 V O85
2021-02-16 15:14:55 C 08 21 26.642 -14 49 37.13 V O85
2021-02-16 15:16:29 C 08 21 27.258 -14 49 33.87 V O85
2021-02-16 15:25:59 C 08 21 31.140 -14 49 14.07 V O85
2021-02-16 15:27:33 C 08 21 31.799 -14 49 10.67 V O85
2021-02-16 15:28:53 C 08 21 32.348 -14 49 07.91 V O85
2021-02-16 15:31:47 C 08 21 33.513 -14 49 01.73 V O85
2021-02-16 15:33:21 C 08 21 34.154 -14 48 58.60 V O85
2021-02-16 15:34:41 C 08 21 34.707 -14 48 55.85 V O85
2021-02-16 15:36:15 C 08 21 35.337 -14 48 52.41 V O85
2021-02-16 15:39:09 C 08 21 36.523 -14 48 46.62 V O85
2021-02-16 15:42:03 C 08 21 37.715 -14 48 40.32 V O85
2021-02-16 15:47:51 C 08 21 40.066 -14 48 28.17 V O85
2021-02-16 15:49:11 C 08 21 40.602 -14 48 25.74 V O85
2021-02-17 00:34:50 C 08 25 23.63 -14 30 34.7 V W46
2021-02-17 01:08:43 C 08 25 36.65 -14 29 29.0 V W46
2021-02-17 01:34:06 C 08 25 46.37 -14 28 41.0 V W46
2021-02-17 09:56:38 C 08 28 56.32 -14 12 22.0 V T05
2021-02-17 10:10:41 C 08 29 01.23 -14 11 55.2 V T05
2021-02-17 10:25:55 C 08 29 06.59 -14 11 26.3 V T05
2021-02-17 17:24:32 C 08 31 42.07 -13 58 39.7 q C97
2021-02-17 17:25:14 C 08 31 42.83 -13 58 39.0 q C97
2021-02-17 17:26:38 C 08 31 43.24 -13 58 36.7 q C97
2021-02-17 17:28:03 C 08 31 43.75 -13 58 33.9 q C97
2021-02-19 06:12:17 C 08 43 10.25 -12 58 26.8 V 703
2021-02-19 06:19:50 C 08 43 12.20 -12 58 14.0 V 703
2021-02-19 06:27:23 C 08 43 14.15 -12 58 03.3 V 703
2021-02-19 06:34:55 C 08 43 16.15 -12 57 52.0 V 703
2021-02-19 09:23:19 C 08 44 02.12 -12 53 29.0 V T08
2021-02-19 09:27:58 C 08 44 03.26 -12 53 22.1 V T08
2021-02-19 09:53:46 C 08 44 09.69 -12 52 44.0 V T08
2021-02-19 10:03:14 C 08 44 12.05 -12 52 30.1 V T08
2021-02-21 03:59:49 C 08 54 10.62 -11 56 52.0 u H21
2021-02-21 04:00:06 C 08 54 10.67 -11 56 51.7 u H21
2021-02-21 04:02:07 C 08 54 11.06 -11 56 49.0 u H21
2021-02-21 04:04:01 C 08 54 11.43 -11 56 46.9 u H21
2021-02-21 04:05:50 C 08 54 11.79 -11 56 44.8 u H21