2012 HC25

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1860051955 ± 2.00e+00
Semi-major axis (a)1.2067095118 AU ± 3.00e+00
Inclination (i)6.40508995° ± 4.00e+00
Long. of Asc. Node (Ω)198.58641264° ± 5.00e+00
Arg. of Perihelion (ω)317.61429930° ± 6.00e+00
Mean Anomaly (M)122.95936457° ± 2.26e+00
Mean Motion (n)0.7435493800°/day ± 2.77e+00
Perihelion dist (q)0.98225750 AU ± 3.43e+00
Aphelion dist (Q)1.43112510 AU ± 4.30e+00
Orbital Period1.32554440 yr ± 4.94e+00
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.311″
Uncertainty4
Orbit TypeApollo
MOID0.017769 AU
Observations Used11
Oppositions1
Arc Total2012-2012
First Observation Used
Last Observation Used2012-04-28
Observations (11)
Date Type RA Dec Mag Band Observatory
2012-04-25 08:08:11 C 14 44 43.90 +15 48 39.0 r G96
2012-04-25 08:19:53 C 14 44 44.37 +15 48 48.9 r G96
2012-04-25 08:31:32 C 14 44 44.95 +15 48 58.5 r G96
2012-04-25 08:43:17 C 14 44 45.42 +15 49 07.9 r G96
2012-04-27 09:24:58 C 14 48 07.23 +16 24 13.5 r G96
2012-04-27 09:33:39 C 14 48 07.56 +16 24 17.8 r G96
2012-04-27 09:42:17 C 14 48 07.84 +16 24 22.6 r G96
2012-04-27 09:51:00 C 14 48 08.13 +16 24 27.9 r G96
2012-04-28 10:46:34 C 14 49 37.17 +16 38 18.5 o 291
2012-04-28 10:51:45 C 14 49 37.34 +16 38 20.8 o 291
2012-04-28 10:56:56 C 14 49 37.53 +16 38 22.4 o 291