2008 HC2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5221754613 ± 3.36e-07
Semi-major axis (a)1.2435979703 AU ± 9.20e-09
Inclination (i)45.50407336° ± 4.16e-05
Long. of Asc. Node (Ω)211.77907267° ± 9.99e-06
Arg. of Perihelion (ω)143.02770036° ± 2.33e-05
Mean Anomaly (M)151.28169203° ± 3.61e-05
Mean Motion (n)0.7107097433°/day ± 7.88e-09
Perihelion dist (q)0.59422163 AU ± 4.18e-07
Aphelion dist (Q)1.89297431 AU ± 4.19e-07
Orbital Period1.38681971 yr ± 1.54e-08
Physical Parameters
H (abs. magnitude)19.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.366″
Uncertainty0
Orbit TypeApollo
MOID0.342019 AU
Observations Used51
Oppositions4
Arc Total2008-2023
First Observation Used2008-04-27
Last Observation Used2023-03-16
Observations (56)
Date Type RA Dec Mag Band Observatory
2015-06-18 04:44:14 C 11 09 10.14 +70 19 11.6 o 291
2015-06-18 04:48:01 C 11 09 08.95 +70 19 13.7 o 291
2015-06-18 04:51:50 C 11 09 07.86 +70 19 15.7 o 291
2023-03-16 04:30:22 C 10 55 29.22 -49 09 45.0 V 807
2023-03-16 04:46:20 C 10 55 27.56 -49 09 30.0 V 807
2023-03-16 05:02:18 C 10 55 26.09 -49 09 12.9 V 807