396593 (2001 HC)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4993923228 ± 2.00e+00
Semi-major axis (a)0.8746252488 AU ± 3.00e+00
Inclination (i)23.73522068° ± 4.00e+00
Long. of Asc. Node (Ω)32.58222639° ± 5.00e+00
Arg. of Perihelion (ω)28.18976011° ± 6.00e+00
Mean Anomaly (M)132.95534077° ± 2.55e-05
Mean Motion (n)1.2049783958°/day ± 6.20e+00
Perihelion dist (q)0.43784411 AU ± 2.31e+00
Aphelion dist (Q)1.31140638 AU ± 4.83e+00
Orbital Period0.81796179 yr ± 4.21e+00
NGA Modelr2
A21.94041975e-06 AU/d²
Physical Parameters
H (abs. magnitude)19.06
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.402″
Uncertainty0
Orbit TypeAten
MOID0.104557 AU
Observations Used342
Oppositions5
Arc Total2001-2024
First Observation Used2001-04-16
Last Observation Used2024-05-15
Observations (413)
Date Type RA Dec Mag Band Observatory
2023-05-07 21:40:03 C 09 26 58.80 +24 57 22.1 X C95
2023-05-09 04:04:24 C 09 32 56.562 +23 25 22.44 V 703
2023-05-09 04:06:11 C 09 32 56.864 +23 25 18.26 V 703
2023-05-09 04:07:57 C 09 32 57.152 +23 25 13.58 V 703
2023-05-09 04:09:43 C 09 32 57.538 +23 25 07.68 V 703
2023-06-09 03:38:58 C 11 01 07.972 -00 45 42.30 V G96
2023-06-09 03:47:04 C 11 01 08.659 -00 45 52.60 V G96
2023-06-09 03:55:10 C 11 01 09.318 -00 46 02.96 V G96
2023-06-09 04:03:15 C 11 01 09.966 -00 46 13.30 V G96
2024-05-15 22:58:55 C 16 47 05.594 -65 01 00.98 V M22
2024-05-15 23:03:34 C 16 47 03.770 -65 01 09.62 V M22
2024-05-15 23:10:58 C 16 47 00.818 -65 01 23.12 V M22
2024-05-15 23:18:25 C 16 46 58.046 -65 01 36.16 V M22