2013 RC21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5138273361 ± 9.45e-08
Semi-major axis (a)1.1867904764 AU ± 6.32e-09
Inclination (i)21.79886687° ± 9.16e-06
Long. of Asc. Node (Ω)153.75670772° ± 1.40e-05
Arg. of Perihelion (ω)22.86978895° ± 1.53e-05
Mean Anomaly (M)315.09340936° ± 2.22e-05
Mean Motion (n)0.7623443699°/day ± 6.09e-09
Perihelion dist (q)0.57698509 AU ± 1.12e-07
Aphelion dist (Q)1.79659587 AU ± 1.13e-07
Orbital Period1.29288852 yr ± 1.03e-08
Physical Parameters
H (abs. magnitude)20.07
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.228″
Uncertainty0
Orbit TypeApollo
MOID0.284739 AU
Observations Used51
Oppositions3
Arc Total2013-2025
First Observation Used2013-09-01
Last Observation Used2025-09-29
Observations (52)
Date Type RA Dec Mag Band Observatory
2025-09-29 08:32:46 C 05 38 36.900 -11 05 43.10 V 807
2025-09-29 08:41:42 C 05 38 37.770 -11 05 53.50 V 807