2021 CE4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4842586000
Semi-major axis (a)1.9274429000 AU
Inclination (i)5.57712000°
Long. of Asc. Node (Ω)314.54664000°
Arg. of Perihelion (ω)156.97938000°
Mean Anomaly (M)292.36680000°
Mean Motion (n)0.3683255100°/day
Perihelion dist (q)0.99406210 AU
Aphelion dist (Q)2.86082370 AU
Orbital Period2.67591480 yr
Physical Parameters
H (abs. magnitude)26.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.200″
Uncertainty7
Orbit TypeApollo
MOID0.024351 AU
Observations Used14
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-09
Observations (14)
Date Type RA Dec Mag Band Observatory
2021-02-01 08:37:48 C 09 13 51.892 +23 31 20.19 V F51
2021-02-01 08:41:49 C 09 13 54.573 +23 30 22.98 V F51
2021-02-07 10:36:35 C 10 15 57.974 +00 08 25.11 U F51
2021-02-07 10:53:51 C 10 16 01.139 +00 06 47.43 U F51
2021-02-07 11:11:05 C 10 16 04.284 +00 05 10.07 U F51
2021-02-08 09:40:27 C 10 20 57.815 -01 52 54.76 V 568
2021-02-08 09:41:52 C 10 20 58.040 -01 53 01.78 V 568
2021-02-08 09:43:17 C 10 20 58.261 -01 53 08.63 V 568
2021-02-08 09:44:43 C 10 20 58.486 -01 53 15.64 V 568
2021-02-09 10:27:55 C 10 25 23.39 -03 45 19.6 o 291
2021-02-09 10:31:22 C 10 25 23.88 -03 45 33.8 o 291
2021-02-09 10:34:50 C 10 25 24.33 -03 45 48.0 o 291
2021-02-09 11:13:35 C 10 25 29.65 -03 48 28.7 V I52
2021-02-09 11:17:13 C 10 25 30.14 -03 48 44.5 V I52