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
2021-04-01 00:32:33 C 15 15 24.39 +00 25 01.5 V 160
2021-04-02 13:51:32 C 15 18 02.91 +01 38 26.0 V T05
2021-04-02 13:56:09 C 15 18 03.19 +01 38 34.7 V T05
2021-04-02 14:46:55 C 15 18 05.87 +01 40 11.0 V T05
2021-04-02 14:57:08 C 15 18 06.43 +01 40 30.0 V T05
2021-04-03 09:55:53 C 15 19 21.56 +02 15 33.4 U I41
2021-04-03 09:57:16 C 15 19 21.63 +02 15 35.9 U I41
2021-04-03 10:04:56 C 15 19 22.01 +02 15 49.9 U I41
2021-04-03 10:06:17 C 15 19 22.08 +02 15 52.4 U I41
2021-04-03 11:08:41 C 15 19 24.81 +02 17 46.6 V G96
2021-04-03 11:16:01 C 15 19 25.17 +02 17 59.9 V G96
2021-04-03 11:23:21 C 15 19 25.53 +02 18 13.3 V G96
2021-04-03 11:30:42 C 15 19 25.90 +02 18 26.6 V G96
2021-04-03 23:29:57 C 15 20 11.82 +02 39 49.5 V B67
2021-04-03 23:36:36 C 15 20 12.13 +02 40 00.9 V B67
2021-04-03 23:41:20 C 15 20 12.39 +02 40 09.3 V B67
2021-04-03 23:46:58 C 15 20 12.68 +02 40 19.6 V B67
2021-04-03 23:52:41 C 15 20 12.95 +02 40 29.8 V B67
2021-04-03 23:58:22 C 15 20 13.22 +02 40 39.6 V B67
2021-04-04 00:41:16 C 15 20 15.31 +02 41 54.3 V A17
2021-04-04 00:52:35 C 15 20 15.86 +02 42 14.5 V A17
2021-04-04 01:03:55 C 15 20 16.41 +02 42 34.6 V A17
2021-04-04 02:06:23 C 15 20 19.39 +02 44 25.2 V K87
2021-04-04 02:08:30 C 15 20 19.49 +02 44 28.7 V K87
2021-04-04 02:10:35 C 15 20 19.58 +02 44 32.6 V K87
2021-04-04 10:54:18 C 15 20 48.93 +03 00 03.5 V 703
2021-04-04 11:01:59 C 15 20 49.27 +03 00 16.9 V 703
2021-04-04 11:09:40 C 15 20 49.60 +03 00 30.2 V 703
2021-04-04 11:17:21 C 15 20 49.94 +03 00 43.8 V 703
2021-04-04 11:30:16 C 15 20 52.90 +03 01 16.6 V T08
2021-04-04 11:36:56 C 15 20 53.18 +03 01 28.2 V T08
2021-04-04 11:38:01 C 15 20 50.85 +03 01 19.3 V I52
2021-04-04 11:40:01 C 15 20 50.94 +03 01 22.8 V I52
2021-04-04 11:42:01 C 15 20 51.03 +03 01 26.3 V I52
2021-04-04 11:45:35 C 15 20 53.52 +03 01 43.1 V T08
2021-04-05 01:18:17 C 15 21 37.09 +03 24 33.9 V K74
2021-04-05 01:24:24 C 15 21 37.39 +03 24 43.9 V K74
2021-04-05 01:32:45 C 15 21 37.73 +03 24 57.7 V K74
2021-04-05 02:18:57 C 15 21 39.72 +03 26 16.6 V K87
2021-04-05 02:21:03 C 15 21 39.83 +03 26 19.9 V K87
2021-04-05 02:23:09 C 15 21 39.89 +03 26 23.2 V K87
2021-04-05 11:06:07 C 15 22 06.37 +03 41 10.8 V I52
2021-04-05 11:09:04 C 15 22 06.48 +03 41 15.5 V I52
2021-04-05 11:12:01 C 15 22 06.60 +03 41 20.3 V I52
2021-04-07 10:38:29 C 15 24 17.36 +04 56 25.6 V 703
2021-04-07 10:45:28 C 15 24 17.56 +04 56 35.2 V 703
2021-04-07 10:52:27 C 15 24 17.86 +04 56 46.8 V 703
2021-04-07 10:59:25 C 15 24 17.98 +04 56 57.8 V 703
2021-04-07 23:25:54 C 15 24 49.79 +05 15 19.0 V 160
2021-04-07 23:30:55 C 15 24 50.01 +05 15 25.7 V 160