2021 CF4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7395963082 ± 4.89e-05
Semi-major axis (a)1.5307181543 AU ± 1.54e-04
Inclination (i)6.67819373° ± 5.30e-04
Long. of Asc. Node (Ω)182.25568345° ± 7.05e-04
Arg. of Perihelion (ω)96.55752111° ± 1.61e-03
Mean Anomaly (M)146.44046872° ± 1.30e-01
Mean Motion (n)0.5204385123°/day ± 7.87e-05
Perihelion dist (q)0.39860466 AU ± 8.50e-05
Aphelion dist (Q)2.66283165 AU ± 2.79e-04
Orbital Period1.89383810 yr ± 2.87e-04
Physical Parameters
H (abs. magnitude)21.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.262″
Uncertainty3
Orbit TypeApollo
MOID0.034308 AU
Observations Used55
Oppositions1
Arc Total2021-2021
First Observation Used2021-02-07
Last Observation Used2021-03-14
Observations (55)
Date Type RA Dec Mag Band Observatory
2021-03-07 00:23:24 C 07 22 01.75 +06 19 59.6 u 807
2021-03-07 00:30:06 C 07 21 58.17 +06 20 11.6 u 807
2021-03-14 19:00:18 C 05 32 51.16 +11 26 48.2 V 033
2021-03-14 19:02:08 C 05 32 50.05 +11 26 50.5 V 033
2021-03-14 19:03:57 C 05 32 48.96 +11 26 52.8 V 033