2021 CH5

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4823383542
Semi-major axis (a)1.8349565076 AU
Inclination (i)1.15407925°
Long. of Asc. Node (Ω)229.78530414° ± 5.00e+00
Arg. of Perihelion (ω)312.16434589° ± 6.00e+00
Mean Anomaly (M)318.50947936°
Mean Motion (n)0.3964751300°/day
Perihelion dist (q)0.94985820 AU
Aphelion dist (Q)2.72033340 AU
Orbital Period2.48592550 yr
Physical Parameters
H (abs. magnitude)26.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.410″
Uncertainty
Orbit TypeApollo
MOID0.004733 AU
Observations Used16
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-11
Observations (16)
Date Type RA Dec Mag Band Observatory
2021-02-08 07:12:26 C 09 10 55.42 -06 26 57.1 V G96
2021-02-08 07:27:22 C 09 10 59.44 -06 28 28.3 V G96
2021-02-09 06:29:47 C 09 18 43.46 -08 59 24.1 V G96
2021-02-09 06:37:07 C 09 18 45.70 -09 00 15.3 V G96
2021-02-09 06:44:28 C 09 18 48.19 -09 01 08.2 V G96
2021-02-09 06:51:48 C 09 18 50.53 -09 01 59.5 V G96
2021-02-09 09:14:10 C 09 19 37.03 -09 18 50.5 V I52
2021-02-09 09:17:48 C 09 19 38.19 -09 19 16.5 V I52
2021-02-09 09:21:26 C 09 19 39.41 -09 19 42.4 V I52
2021-02-09 22:38:42 C 09 25 02.343 -10 59 02.15 V J04
2021-02-10 22:07:02 C 09 35 42.592 -14 17 08.63 V J04
2021-02-10 22:23:31 C 09 35 50.245 -14 19 40.70 V J04
2021-02-10 22:40:21 C 09 35 58.014 -14 22 16.56 V J04
2021-02-11 07:11:30 C 09 40 17.43 -15 42 35.4 V I52
2021-02-11 07:17:11 C 09 40 20.25 -15 43 30.6 V I52
2021-02-11 07:22:51 C 09 40 22.95 -15 44 25.0 V I52