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
2010-04-22 05:04:09 C 14 39 43.27 -18 20 41.5 16.8 c 704
2010-04-22 05:19:36 C 14 39 36.24 -18 21 10.6 16.7 c 704
2010-04-22 05:35:09 C 14 39 29.10 -18 21 39.6 16.8 c 704
2010-04-23 22:07:15 C 14 21 46.93 -19 30 57.7 w I99
2010-04-23 22:16:06 C 14 21 43.06 -19 31 11.5 w I99
2010-04-23 22:25:37 C 14 21 38.94 -19 31 26.8 w I99
2010-04-25 14:13:36 C 14 05 12.07 -20 28 20.7 u 379
2010-04-25 14:17:17 C 14 05 10.55 -20 28 25.4 u 379
2010-04-25 14:29:06 C 14 05 05.65 -20 28 40.9 u 379
2010-04-25 14:39:50 C 14 05 01.24 -20 28 54.6 u 379
2010-04-25 14:42:31 C 14 05 00.13 -20 28 58.1 u 379
2010-04-25 15:13:35 C 14 04 47.36 -20 29 38.3 u 379
2010-05-01 03:57:43 C 13 18 20.67 -22 30 37.9 r I20
2010-05-01 04:08:53 C 13 18 17.22 -22 30 44.7 r I20
2010-05-01 04:22:36 C 13 18 12.96 -22 30 52.4 r I20
2010-05-05 12:44:28 C 12 50 54.56 -23 15 29.4 r E12
2010-05-05 13:04:54 C 12 50 49.74 -23 15 35.5 r E12
2010-05-05 13:45:54 C 12 50 40.15 -23 15 46.2 r E12
2010-05-17 04:35:11 C 12 08 22.45 -23 48 26.1 r 703
2010-05-17 04:43:21 C 12 08 21.62 -23 48 25.8 r 703
2010-05-17 04:51:35 C 12 08 20.83 -23 48 27.2 r 703
2010-05-17 04:59:51 C 12 08 20.04 -23 48 27.0 r 703
2014-04-13 20:08:50 C 05 17 37.55 +52 09 29.6 q 204
2014-04-13 20:45:23 C 05 18 01.08 +52 09 09.1 q 204
2014-04-14 02:56:41 C 05 22 00.91 +52 05 53.8 o 926
2014-04-14 03:01:34 C 05 22 04.09 +52 05 50.6 o 926
2014-04-14 03:06:27 C 05 22 07.20 +52 05 47.1 o 926
2014-05-15 22:56:44 C 09 56 44.20 +16 44 13.1 u 807
2014-05-15 23:00:19 C 09 56 44.70 +16 44 04.3 u 807
2014-05-21 07:03:58 C 10 14 02.365 +11 57 16.07 L F51
2014-05-21 07:21:21 C 10 14 04.461 +11 56 39.97 L F51
2014-05-21 07:38:41 C 10 14 06.558 +11 56 03.88 L F51
2014-06-24 06:24:59 C 11 29 38.160 -06 58 54.88 L F51
2014-06-24 06:30:41 C 11 29 38.591 -06 59 00.41 L F51
2014-06-24 06:36:23 C 11 29 39.018 -06 59 05.79 L F51
2014-06-24 06:42:08 C 11 29 39.470 -06 59 11.76 L F51
2019-03-09 06:07:35 C 19 19 40.658 +11 16 54.50 V J04
2019-03-09 06:09:10 C 19 19 40.496 +11 16 53.00 V J04
2019-03-09 06:10:45 C 19 19 40.305 +11 16 51.88 V J04
2019-04-05 14:21:24 C 17 29 57.71 -03 53 57.4 V T05
2019-04-05 14:36:29 C 17 29 53.23 -03 54 32.4 V T05
2019-04-05 14:50:27 C 17 29 49.09 -03 55 04.7 V T05
2019-04-05 15:04:10 C 17 29 44.99 -03 55 36.5 V T05
2019-04-07 14:01:33 C 17 15 39.81 -05 48 01.3 V T08
2019-04-07 14:19:56 C 17 15 33.78 -05 48 46.9 V T08
2019-04-07 14:33:19 C 17 15 29.38 -05 49 20.0 V T08
2019-04-07 14:40:50 C 17 15 26.93 -05 49 38.7 V T08
2019-04-09 13:40:58 C 16 59 55.07 -07 49 03.3 V T05
2019-04-09 13:55:25 C 16 59 49.89 -07 49 40.5 V T05
2019-04-09 13:56:18 C 16 59 49.56 -07 49 43.2 V T05