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
2021-06-03 08:02:16 C 15 19 29.577 +08 35 44.85 U F51
2021-06-07 07:04:05 C 15 20 03.53 +07 41 27.6 V G96
2021-06-07 07:11:35 C 15 20 03.58 +07 41 23.6 V G96
2021-06-07 07:19:05 C 15 20 03.61 +07 41 19.1 V G96
2021-06-07 07:26:35 C 15 20 03.63 +07 41 14.4 V G96
2021-06-10 09:26:50 C 15 20 47.547 +06 57 23.91 U F51
2021-06-10 09:44:22 C 15 20 47.682 +06 57 13.23 U F51
2021-06-10 10:01:50 C 15 20 47.805 +06 57 02.86 U F51
2021-06-14 10:47:42 C 15 22 07.150 +05 58 03.56 U F51
2021-06-14 11:06:21 C 15 22 07.379 +05 57 51.93 U F51
2021-06-14 11:43:31 C 15 22 07.859 +05 57 28.84 U F51