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
2019-04-24 10:52:21 C 14 29 58.17 -21 52 44.1 V T05
2019-04-24 10:54:59 C 14 29 57.02 -21 52 47.9 V T05
2019-04-25 07:10:06 C 14 21 31.79 -22 21 33.9 o 691
2019-04-25 07:15:20 C 14 21 29.58 -22 21 41.1 o 691
2019-04-25 07:20:34 C 14 21 27.37 -22 21 48.1 o 691
2019-04-25 21:36:42 C 14 15 38.89 -22 40 26.8 V 089
2019-04-25 21:43:27 C 14 15 36.06 -22 40 34.6 V 089
2019-04-25 21:46:50 C 14 15 34.66 -22 40 39.0 V 089
2019-04-25 21:50:13 C 14 15 33.29 -22 40 42.9 V 089
2019-04-25 21:53:37 C 14 15 31.82 -22 40 47.6 V 089
2019-04-25 21:56:59 C 14 15 30.50 -22 40 51.7 V 089
2019-04-25 22:00:22 C 14 15 29.08 -22 40 54.9 V 089
2019-04-25 22:03:45 C 14 15 27.69 -22 41 00.3 V 089
2019-04-25 22:07:09 C 14 15 26.30 -22 41 03.8 V 089
2019-04-26 06:54:31 C 14 11 55.67 -22 51 41.6 V G96
2019-04-26 07:01:53 C 14 11 52.64 -22 51 50.4 V G96
2019-04-26 07:09:16 C 14 11 49.62 -22 51 59.3 V G96
2019-04-26 07:16:39 C 14 11 46.59 -22 52 08.1 V G96
2019-04-26 07:30:48 C 14 11 40.84 -22 52 24.4 o 691
2019-04-26 07:37:22 C 14 11 38.15 -22 52 32.1 o 691
2019-04-26 07:43:56 C 14 11 35.47 -22 52 39.9 o 691
2019-04-26 11:01:50 C 14 10 16.73 -22 56 26.2 V T08
2019-04-26 11:13:48 C 14 10 11.85 -22 56 39.8 V T08
2019-04-26 11:25:06 C 14 10 07.23 -22 56 52.8 V T08
2019-04-26 11:37:05 C 14 10 02.35 -22 57 06.4 V T08
2019-04-26 13:14:33 S 14 11 03.139 -22 54 34.02 V C57
2019-04-26 13:14:33 s 1 +105940.16 5 +302776.65 8040.0 C57
2019-04-26 15:44:33 S 14 10 07.306 -22 57 26.14 V C57
2019-04-26 15:44:33 s 1 +101293.58 2 +309217.83 960.0 C57
2019-04-26 16:14:33 S 14 09 57.170 -22 58 00.05 V C57
2019-04-26 16:14:33 s 1 +100353.40 1 +310473.47 9890.0 C57
2019-04-26 18:14:32 S 14 09 13.414 -23 00 07.67 V C57
2019-04-26 18:14:32 s 1 +96558.438 0 +315388.55 6030.0 C57
2019-04-26 19:44:32 S 14 08 40.632 -23 01 43.28 V C57
2019-04-26 19:44:32 s 1 +93677.853 0 +318963.03 7060.0 C57
2019-04-26 21:23:22 C 14 06 13.82 -23 08 21.3 V 089
2019-04-26 21:33:30 C 14 06 09.77 -23 08 32.5 V 089
2019-04-26 21:36:54 C 14 06 08.37 -23 08 35.2 V 089
2019-04-26 21:40:17 C 14 06 07.06 -23 08 40.0 V 089
2019-04-26 21:43:40 C 14 06 05.69 -23 08 43.6 V 089
2019-04-26 21:47:03 C 14 06 04.34 -23 08 46.9 V 089
2019-04-26 21:50:25 C 14 06 03.01 -23 08 51.4 V 089
2019-04-26 21:53:49 C 14 06 01.64 -23 08 55.0 V 089
2019-04-26 22:14:33 S 14 07 46.315 -23 04 24.06 V C57
2019-04-26 22:14:33 s 1 +88815.768 0 +324710.23 1000.0 C57
2019-04-26 22:44:32 S 14 07 35.069 -23 04 55.34 V C57
2019-04-26 22:44:32 s 1 +87834.652 0 +325828.42 8340.0 C57
2019-04-26 23:44:33 S 14 07 14.688 -23 05 48.37 V C57
2019-04-26 23:44:33 s 1 +85864.125 0 +328033.83 3440.0 C57
2019-04-27 00:44:32 S 14 06 52.361 -23 07 01.02 V C57