2021 CN4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4459069775 ± 1.33e-06
Semi-major axis (a)1.9369942090 AU ± 5.14e-06
Inclination (i)9.89043939° ± 2.11e-05
Long. of Asc. Node (Ω)181.33976200° ± 8.83e-06
Arg. of Perihelion (ω)342.22460217° ± 6.13e-06
Mean Anomaly (M)270.61357824° ± 2.52e-03
Mean Motion (n)0.3656114537°/day ± 1.46e-06
Perihelion dist (q)1.07327498 AU ± 3.84e-06
Aphelion dist (Q)2.80071344 AU ± 7.87e-06
Orbital Period2.69582989 yr ± 1.07e-05
Physical Parameters
H (abs. magnitude)20.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.176″
Uncertainty1
Orbit TypeAmor
MOID0.087348 AU
Observations Used283
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-06
Last Observation Used2021-06-14
Observations (311)
Date Type RA Dec Mag Band Observatory
2021-03-06 12:04:37 C 13 17 39.44 -29 05 47.6 V T08
2021-03-06 12:09:55 C 13 17 41.07 -29 05 32.5 V T08
2021-03-06 12:17:53 C 13 17 43.54 -29 05 09.9 V T08
2021-03-11 09:54:30 C 13 53 39.53 -22 59 56.8 V 703
2021-03-11 10:02:04 C 13 53 41.47 -22 59 32.3 V 703
2021-03-11 10:09:38 C 13 53 43.41 -22 59 07.5 V 703
2021-03-11 10:17:13 C 13 53 45.24 -22 58 43.1 V 703
2021-03-15 09:13:26 C 14 17 45.41 -17 45 39.4 o 691
2021-03-15 09:21:41 C 14 17 47.14 -17 45 12.4 o 691
2021-03-15 09:29:56 C 14 17 48.88 -17 44 45.3 o 691
2021-03-15 11:59:59 C 14 18 23.68 -17 36 20.3 V T08
2021-03-15 12:03:58 C 14 18 24.52 -17 36 07.2 V T08
2021-03-15 12:07:57 C 14 18 25.33 -17 35 54.4 V T08
2021-03-15 12:35:30 C 14 18 31.01 -17 34 24.5 V T08
2021-03-19 10:22:22 C 14 37 39.86 -12 34 09.3 V 703
2021-03-19 10:29:59 C 14 37 41.16 -12 33 46.0 V 703
2021-03-19 10:37:36 C 14 37 42.41 -12 33 22.6 V 703
2021-03-19 10:45:12 C 14 37 43.65 -12 32 58.0 V 703
2021-03-19 10:49:12 C 14 37 44.27 -12 32 46.1 V 703
2021-03-19 10:56:43 C 14 37 45.56 -12 32 22.6 V 703
2021-03-19 11:11:46 C 14 37 47.99 -12 31 35.3 V 703
2021-03-19 11:57:21 C 14 37 58.82 -12 29 02.4 V T08
2021-03-19 12:02:01 C 14 37 59.57 -12 28 48.2 V T08
2021-03-19 12:08:45 C 14 38 00.67 -12 28 27.3 V T08
2021-03-19 12:38:35 C 14 38 05.51 -12 26 55.5 V T08
2021-03-20 15:21:40 C 14 42 46.54 -11 04 08.5 V 474
2021-03-20 15:24:33 C 14 42 46.98 -11 03 59.8 V 474
2021-03-20 15:27:25 C 14 42 47.43 -11 03 51.2 V 474
2021-03-20 15:30:18 C 14 42 47.87 -11 03 42.5 V 474
2021-03-20 23:45:11 C 14 44 13.02 -10 40 29.0 V K83
2021-03-20 23:49:29 C 14 44 13.66 -10 40 16.6 V K83
2021-03-20 23:53:47 C 14 44 14.31 -10 40 03.5 V K83
2021-03-21 01:04:31 C 14 44 25.94 -10 36 31.1 q I76
2021-03-21 01:09:51 C 14 44 26.85 -10 36 14.4 q I76
2021-03-21 01:15:10 C 14 44 27.61 -10 35 58.5 q I76
2021-03-21 01:20:30 C 14 44 28.48 -10 35 43.0 q I76
2021-03-23 10:34:30 C 14 53 15.04 -07 50 22.0 V G96
2021-03-23 10:36:17 C 14 53 15.58 -07 50 17.1 V 703
2021-03-23 10:41:56 C 14 53 15.98 -07 50 01.4 V G96
2021-03-23 10:49:21 C 14 53 16.92 -07 49 40.7 V G96
2021-03-23 10:56:46 C 14 53 17.84 -07 49 19.6 V G96
2021-03-23 10:59:37 C 14 53 18.26 -07 49 11.1 V 703
2021-03-23 14:45:09 C 14 53 49.28 -07 38 32.3 V T08
2021-03-23 14:49:59 C 14 53 49.88 -07 38 18.6 V T08
2021-03-23 15:14:27 C 14 53 52.93 -07 37 10.5 V T08
2021-03-25 01:49:14 C 14 58 34.02 -06 03 57.2 V K87
2021-03-25 01:53:26 C 14 58 34.49 -06 03 45.9 V K87
2021-03-25 01:57:39 C 14 58 34.99 -06 03 34.6 V K87
2021-04-01 00:22:31 C 15 15 23.72 +00 24 41.2 V 160
2021-04-01 00:27:55 C 15 15 24.07 +00 24 52.2 V 160