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
2021-04-07 23:35:54 C 15 24 50.14 +05 15 32.8 V 160
2021-04-08 12:04:52 C 15 25 17.36 +05 33 56.7 V T08
2021-04-08 12:08:11 C 15 25 17.45 +05 34 01.6 V T08
2021-04-08 12:15:29 C 15 25 17.63 +05 34 12.0 V T08
2021-04-08 12:23:35 C 15 25 17.79 +05 34 23.5 V T08
2021-04-08 17:50:32 C 15 25 29.59 +05 41 57.3 q D29
2021-04-08 18:31:16 C 15 25 30.55 +05 42 54.8 q D29
2021-04-09 00:39:59 C 15 25 43.91 +05 51 19.5 V A17
2021-04-09 00:51:15 C 15 25 44.16 +05 51 35.1 V A17
2021-04-09 01:02:33 C 15 25 44.45 +05 51 51.0 V A17
2021-04-09 02:19:01 C 15 25 46.32 +05 53 36.9 V K87
2021-04-09 02:21:08 C 15 25 46.36 +05 53 39.7 V K87
2021-04-09 02:23:15 C 15 25 46.41 +05 53 42.9 V K87
2021-04-09 09:48:11 C 15 26 01.32 +06 04 06.5 V 703
2021-04-09 09:55:46 C 15 26 01.52 +06 04 16.2 V 703
2021-04-09 10:03:21 C 15 26 01.70 +06 04 27.2 V 703
2021-04-09 10:10:57 C 15 26 01.74 +06 04 38.3 V 703
2021-04-12 14:04:05 C 15 27 59.10 +07 39 45.1 V T08
2021-04-12 14:10:03 C 15 27 59.15 +07 39 52.0 V T08
2021-04-12 14:18:41 C 15 27 59.21 +07 40 01.6 V T08
2021-04-12 14:42:28 C 15 27 59.46 +07 40 28.5 V T08
2021-04-13 00:47:51 C 15 28 12.90 +07 51 32.7 V K87
2021-04-13 00:49:57 C 15 28 12.96 +07 51 34.2 V K87
2021-04-13 00:52:03 C 15 28 12.94 +07 51 36.3 V K87
2021-04-13 07:27:40 C 15 28 21.29 +07 59 03.3 U I41
2021-04-13 09:33:32 C 15 28 22.21 +08 01 21.9 U I41
2021-04-13 10:29:19 C 15 28 22.58 +08 02 22.7 U I41
2021-04-13 11:28:47 C 15 28 22.98 +08 03 26.9 U I41
2021-04-14 00:40:05 C 15 28 37.13 +08 17 21.9 V A17
2021-04-14 00:51:22 C 15 28 37.20 +08 17 33.8 V A17
2021-04-14 01:02:40 C 15 28 37.28 +08 17 45.8 V A17
2021-04-14 01:37:37 C 15 28 37.50 +08 18 21.7 V K87
2021-04-14 01:40:47 C 15 28 37.55 +08 18 25.5 V K87
2021-04-14 01:43:57 C 15 28 37.55 +08 18 28.5 V K87
2021-04-14 10:44:26 C 15 28 44.71 +08 28 00.6 V 703
2021-04-14 10:52:03 C 15 28 44.81 +08 28 07.7 V 703
2021-04-14 11:07:16 C 15 28 45.09 +08 28 21.2 V 703
2021-04-15 00:51:52 C 15 28 56.78 +08 41 59.7 V K87
2021-04-15 00:55:03 C 15 28 56.80 +08 42 02.7 V K87
2021-04-15 00:58:13 C 15 28 56.80 +08 42 05.8 V K87
2021-04-15 02:13:20 C 15 28 57.09 +08 43 20.0 V K74
2021-04-15 02:15:33 C 15 28 57.10 +08 43 22.1 V K74
2021-04-15 02:17:13 C 15 28 57.11 +08 43 23.7 V K74
2021-04-15 02:19:26 C 15 28 57.12 +08 43 25.8 V K74
2021-04-15 02:21:06 C 15 28 57.12 +08 43 27.4 V K74
2021-04-15 12:26:14 C 15 29 04.403 +08 53 33.11 U F52
2021-04-15 12:47:30 C 15 29 04.390 +08 53 53.44 U F52
2021-04-15 13:09:06 C 15 29 04.373 +08 54 13.96 U F52
2021-04-16 14:08:08 C 15 29 17.431 +09 17 16.28 U F51
2021-04-16 14:12:46 C 15 29 17.418 +09 17 20.41 U F51