IAA RAS IAA Minor Planet Database

2021 CK7

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3118459294 ± 6.69e-06
Semi-major axis (a)1.6961885553 AU ± 2.11e-05
Inclination (i)5.19203306° ± 9.00e-05
Long. of Asc. Node (Ω)316.90189002° ± 7.22e-05
Arg. of Perihelion (ω)197.52167479° ± 1.89e-04
Mean Anomaly (M)49.47670443° ± 1.45e-02
Mean Motion (n)0.4461707375°/day ± 8.32e-06
Perihelion dist (q)1.16723906 AU ± 1.84e-05
Aphelion dist (Q)2.22513805 AU ± 2.99e-05
Orbital Period2.20907872 yr ± 4.12e-05
Physical Parameters
H (abs. magnitude)23.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.231″
Uncertainty2
Orbit TypeAmor
MOID0.180148 AU
Observations Used43
Oppositions1
Arc Total2021-2021
First Observation Used2021-01-08
Last Observation Used2021-03-07
Observations (44)
Date Type RA Dec Mag Band Observatory
2021-01-08 12:22:10 C 07 57 11.292 +31 53 18.90 – V F52
2021-01-08 12:38:48 C 07 57 10.917 +31 53 12.23 – V F52
2021-01-08 12:55:30 C 07 57 10.469 +31 53 04.71 – V F52
2021-01-08 13:12:12 C 07 57 10.067 +31 52 58.37 – V F52
2021-01-14 11:57:26 C 07 54 25.615 +30 47 25.92 – V F51
2021-01-14 12:14:33 C 07 54 25.055 +30 47 16.31 – V F51
2021-01-14 12:31:40 C 07 54 24.509 +30 47 06.78 – V F51
2021-01-14 12:48:49 C 07 54 23.952 +30 46 56.48 – V F51
2021-01-17 06:39:19 C 07 52 55.59 +30 08 53.0 – V G96
2021-01-17 06:46:38 C 07 52 55.32 +30 08 48.9 – V G96
2021-01-17 07:01:18 C 07 52 54.79 +30 08 40.2 – V G96
2021-02-05 04:10:45 C 07 45 16.65 +23 35 40.3 – V G96
2021-02-05 04:18:46 C 07 45 16.51 +23 35 33.3 – V G96
2021-02-05 04:34:44 C 07 45 16.31 +23 35 15.1 – V G96
2021-02-13 06:08:05 C 07 46 44.152 +19 55 49.87 – U F51
2021-02-13 06:27:42 C 07 46 44.328 +19 55 27.38 – U F51
2021-02-13 06:47:14 C 07 46 44.464 +19 55 05.28 – U F51
2021-02-13 06:58:11 C 07 46 42.54 +19 54 44.9 – V V00
2021-02-13 07:05:02 C 07 46 42.61 +19 54 36.8 – V V00
2021-02-13 07:06:53 C 07 46 44.626 +19 54 42.61 – U F51
2021-02-13 07:11:54 C 07 46 42.66 +19 54 28.3 – V V00
2021-02-13 07:18:45 C 07 46 42.71 +19 54 20.6 – V V00
2021-02-13 09:26:30 C 07 46 44.03 +19 51 46.4 – V 291
2021-02-13 09:37:19 C 07 46 44.21 +19 51 32.9 – V 291
2021-02-13 09:48:09 C 07 46 44.32 +19 51 19.7 – V 291
2021-02-13 20:41:21 C 07 46 59.59 +19 38 25.2 – V 033
2021-02-13 20:46:32 C 07 46 59.66 +19 38 18.9 – V 033
2021-02-13 20:51:42 C 07 46 59.72 +19 38 12.8 – V 033
2021-02-13 20:57:01 C 07 46 59.78 +19 38 06.9 – V 033
2021-02-19 02:11:57 C 07 50 28.81 +17 09 40.8 – u H21
2021-02-19 02:21:36 C 07 50 29.05 +17 09 29.5 – u H21
2021-02-19 02:29:34 C 07 50 29.28 +17 09 20.2 – u H21
2021-03-03 01:04:58 C 08 05 20.02 +11 34 51.4 – u H21
2021-03-03 01:16:46 C 08 05 20.69 +11 34 38.4 – u H21
2021-03-03 01:28:50 C 08 05 21.40 +11 34 25.1 – u H21
2021-03-03 03:22:05 C 08 05 27.27 +11 33 01.8 – V 807
2021-03-03 03:27:57 C 08 05 27.64 +11 32 55.4 – V 807
2021-03-03 03:34:04 C 08 05 27.99 +11 32 48.6 – V 807
2021-03-06 02:05:17 C 08 10 27.99 +10 13 53.1 – u H21
2021-03-06 02:12:17 C 08 10 28.46 +10 13 45.4 – u H21
2021-03-06 02:20:27 C 08 10 28.99 +10 13 36.5 – u H21
2021-03-07 02:50:59 C 08 12 18.96 +09 46 58.4 – u H21
2021-03-07 03:04:25 C 08 12 19.86 +09 46 44.0 – u H21
2021-03-07 03:15:13 C 08 12 20.58 +09 46 32.0 – u H21