2015 HC117

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4875946338 ± 3.80e-08
Semi-major axis (a)2.3880799828 AU ± 6.79e-09
Inclination (i)6.15364174° ± 2.58e-06
Long. of Asc. Node (Ω)154.46745092° ± 3.38e-05
Arg. of Perihelion (ω)349.89782734° ± 3.32e-05
Mean Anomaly (M)337.37714129° ± 3.54e-06
Mean Motion (n)0.2670734800°/day ± 1.14e-09
Perihelion dist (q)1.22366510 AU ± 9.09e-08
Aphelion dist (Q)3.55249490 AU ± 9.14e-08
Orbital Period3.69039890 yr ± 1.57e-08
Physical Parameters
H (abs. magnitude)19.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.199″
Uncertainty0
Orbit TypeAmor
MOID0.236634 AU
Observations Used126
Oppositions3
Arc Total2014-2026
First Observation Used
Last Observation Used2026-03-22
Observations (153)
Date Type RA Dec Mag Band Observatory
2015-04-22 03:22:10 C 12 53 09.83 -10 37 49.0 W84
2015-04-22 03:26:53 C 12 53 09.67 -10 37 47.9 W84
2015-04-22 03:31:33 C 12 53 09.51 -10 37 46.9 W84