2021 CL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4909017000
Semi-major axis (a)1.7845424000 AU
Inclination (i)0.57407000°
Long. of Asc. Node (Ω)96.29208000°
Arg. of Perihelion (ω)92.97199000°
Mean Anomaly (M)345.73483000°
Mean Motion (n)0.4134412141°/day
Perihelion dist (q)0.90850750 AU
Aphelion dist (Q)2.66057730 AU
Orbital Period2.38391250 yr
Physical Parameters
H (abs. magnitude)26.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual—″
Uncertainty
Orbit TypeApollo
MOID0.006587 AU
Observations Used13
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-13
Observations (13)
Date Type RA Dec Mag Band Observatory
2021-02-05 06:27:37 C 09 04 52.11 +23 08 41.9 V G96
2021-02-05 06:35:40 C 09 04 53.76 +23 08 48.1 V G96
2021-02-06 08:43:34 C 09 11 53.941 +23 33 06.00 U F52
2021-02-06 09:00:06 C 09 11 58.147 +23 33 24.24 U F52
2021-02-06 09:33:08 C 09 12 06.577 +23 33 59.36 U F52
2021-02-10 07:14:50 C 09 59 51.50 +25 36 04.2 V G96
2021-02-10 07:22:19 C 09 59 57.30 +25 36 16.4 V G96
2021-02-10 07:29:48 C 10 00 03.15 +25 36 29.6 V G96
2021-02-10 07:37:18 C 10 00 09.05 +25 36 41.7 V G96
2021-02-13 09:33:05 C 11 56 40.50 +26 11 55.1 V I52
2021-02-13 09:33:40 C 11 56 41.96 +26 11 53.1 V I52
2021-02-13 09:34:15 C 11 56 43.43 +26 11 51.7 V I52
2021-02-13 09:34:49 C 11 56 44.91 +26 11 49.5 V I52