2012 HF2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3674321492 ± 1.52e-06
Semi-major axis (a)1.1920662194 AU ± 8.83e-09
Inclination (i)12.42670361° ± 4.90e-05
Long. of Asc. Node (Ω)35.46799694° ± 1.11e-05
Arg. of Perihelion (ω)80.28726538° ± 1.75e-04
Mean Anomaly (M)213.71542520° ± 3.37e-05
Mean Motion (n)0.7572890974°/day ± 8.42e-09
Perihelion dist (q)0.75406277 AU ± 1.82e-06
Aphelion dist (Q)1.63006967 AU ± 1.82e-06
Orbital Period1.30151918 yr ± 1.45e-08
Physical Parameters
H (abs. magnitude)24.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.326″
Uncertainty0
Orbit TypeApollo
MOID0.013146 AU
Observations Used62
Oppositions3
Arc Total2012-2025
First Observation Used2012-04-20
Last Observation Used2025-04-26
Observations (64)
Date Type RA Dec Mag Band Observatory
2025-04-20 22:55:39 B 12 45 36.67 +21 35 55.1 Z K35
2025-04-20 22:59:52 C 12 45 35.43 +21 35 05.8 V L01
2025-04-20 23:02:21 B 12 45 36.01 +21 34 20.0 Z K35
2025-04-20 23:02:54 C 12 45 35.12 +21 34 23.1 V L01
2025-04-20 23:06:16 C 12 45 34.74 +21 33 35.9 V L01
2025-04-20 23:06:44 B 12 45 35.58 +21 33 18.0 Z K35
2025-04-20 23:08:56 B 12 45 35.36 +21 32 47.1 Z K35
2025-04-21 09:19:02 C 12 44 49.952 +19 13 27.52 V V06
2025-04-21 09:20:45 C 12 44 49.801 +19 13 04.30 V V06
2025-04-21 09:22:28 C 12 44 49.643 +19 12 41.18 V V06
2025-04-26 06:47:42 C 12 40 25.439 +00 25 07.18 V G96
2025-04-26 06:55:08 C 12 40 25.158 +00 24 18.00 V G96
2025-04-26 07:02:32 C 12 40 24.834 +00 23 29.33 V G96
2025-04-26 07:09:57 C 12 40 24.510 +00 22 40.12 V G96