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
2001-04-16 08:02:55 C 15 35 11.20 -11 08 11.7 16.5 c 704
2001-04-16 08:22:34 C 15 35 01.37 -11 09 06.7 18.7 c 704
2001-04-16 08:42:10 C 15 34 51.61 -11 09 59.4 16.8 c 704
2001-04-16 09:01:45 C 15 34 41.82 -11 10 52.3 16.9 c 704
2001-04-16 09:21:23 C 15 34 32.03 -11 11 45.5 16.6 c 704
2001-04-17 00:29:28 C 15 27 11.06 -11 52 27.9 15.8 615
2001-04-17 00:31:05 C 15 27 10.26 -11 52 34.9 15.5 615
2001-04-17 00:32:13 C 15 27 09.70 -11 52 37.9 15.8 615
2001-04-17 00:33:18 C 15 27 09.17 -11 52 40.8 15.8 615
2001-04-17 00:34:23 C 15 27 08.63 -11 52 40.6 15.8 615
2001-04-17 05:41:58 C 15 24 40.73 -12 06 03.1 854
2001-04-17 05:44:18 C 15 24 39.59 -12 06 08.3 16.1 854
2001-04-17 05:55:23 C 15 24 34.00 -12 06 39.1 16.5 c 704
2001-04-17 05:55:33 C 15 24 33.94 -12 06 39.5 17.0 c 704
2001-04-17 06:15:13 C 15 24 24.15 -12 07 31.3 16.4 c 704
2001-04-17 06:15:22 C 15 24 24.11 -12 07 31.8 16.6 c 704
2001-04-17 06:26:57 C 15 24 18.30 -12 08 03.1 854
2001-04-17 06:29:16 C 15 24 17.30 -12 08 09.1 16.0 854
2001-04-17 06:34:57 C 15 24 14.31 -12 08 23.5 15.9 c 704
2001-04-17 06:35:08 C 15 24 14.25 -12 08 24.4 16.3 c 704
2001-04-17 06:54:59 C 15 24 04.37 -12 09 17.3 16.6 c 704
2001-04-17 07:14:43 C 15 23 54.54 -12 10 08.7 16.8 c 704
2001-04-17 07:37:35 C 15 23 42.44 -12 11 12.6 649
2001-04-17 07:39:34 C 15 23 41.44 -12 11 17.9 649
2001-04-17 07:41:34 C 15 23 40.44 -12 11 22.9 649
2001-04-17 07:46:19 C 15 23 38.08 -12 11 35.3 649
2001-04-17 07:49:33 C 15 23 36.47 -12 11 43.8 649
2001-04-17 09:43:05 C 15 22 40.59 -12 16 36.8 919
2001-04-17 09:44:45 C 15 22 39.77 -12 16 41.3 919
2001-04-17 09:47:02 C 15 22 38.58 -12 16 45.7 926
2001-04-17 09:48:09 C 15 22 38.02 -12 16 48.8 926
2001-04-17 09:48:23 C 15 22 37.91 -12 16 51.2 919
2001-04-17 09:49:18 C 15 22 37.43 -12 16 51.8 926
2001-04-17 15:16:17 C 15 19 59.188 -12 30 05.79 422
2001-04-17 15:17:06 C 15 19 58.759 -12 30 08.03 422
2001-04-17 15:18:05 C 15 19 58.275 -12 30 10.42 422
2001-04-19 09:09:02 C 14 59 43.13 -14 14 09.7 649
2001-04-19 09:12:03 C 14 59 41.66 -14 14 16.5 649
2001-04-19 09:18:19 C 14 59 38.58 -14 14 31.3 649
2001-04-19 13:20:21 C 14 57 46.80 -14 22 51.2 322
2001-04-19 13:23:37 C 14 57 45.30 -14 23 00.0 322
2001-04-19 13:27:23 C 14 57 43.46 -14 23 07.8 322
2001-04-20 14:21:18 C 14 45 54.28 -15 18 43.5 428
2001-04-20 14:27:04 C 14 45 51.50 -15 18 56.2 428
2001-04-20 14:28:34 C 14 45 50.79 -15 18 59.3 428
2001-04-22 09:49:44 C 14 26 01.97 -16 45 54.4 16.2 c 608
2001-04-22 10:04:38 C 14 25 55.11 -16 46 22.0 16.5 c 608
2001-04-22 10:19:48 C 14 25 48.18 -16 46 49.8 16.6 c 608
2001-04-22 15:01:27 C 14 23 43.05 -16 55 30.6 402
2001-04-22 15:06:53 C 14 23 40.60 -16 55 40.3 402