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
2019-04-28 22:14:32 s 1 -12509.490 0 +388510.92 3280.0 C57
2019-04-28 22:44:32 S 13 50 36.331 -23 50 06.11 V C57
2019-04-28 22:44:32 s 1 -13592.118 0 +388742.56 7820.0 C57
2019-04-29 01:14:32 S 13 49 44.731 -23 52 07.82 V C57
2019-04-29 01:14:32 s 1 -19000.362 0 +389774.05 0.0 C57
2019-04-29 02:14:32 S 13 49 23.558 -23 52 55.74 V C57
2019-04-29 02:14:32 s 1 -21160.952 0 +390127.70 1190.0 C57
2019-04-29 02:44:32 S 13 49 12.732 -23 53 22.88 V C57
2019-04-29 02:44:32 s 1 -22240.577 0 +390291.94 4550.0 C57
2019-04-29 03:14:32 S 13 49 02.911 -23 53 44.41 V C57
2019-04-29 03:14:32 s 1 -23319.725 0 +390447.79 3210.0 C57
2019-04-29 03:44:32 S 13 48 52.666 -23 54 08.96 V C57
2019-04-29 03:44:32 s 1 -24398.375 0 +390595.26 7270.0 C57
2019-04-29 04:14:32 S 13 48 42.586 -23 54 36.14 V C57
2019-04-29 04:14:32 s 1 -25476.504 0 +390734.36 6850.0 C57
2019-04-30 21:43:28 C 13 31 51.86 -24 27 55.5 o L52
2019-05-01 01:01:33 C 13 30 50.19 -24 29 04.7 o W92
2019-05-01 01:06:57 C 13 30 48.44 -24 29 08.3 o W92
2019-05-01 06:57:39 C 13 28 54.94 -24 33 03.9 V 703
2019-05-01 07:05:27 C 13 28 52.36 -24 33 08.0 V 703
2019-05-01 07:13:16 C 13 28 49.83 -24 33 12.0 V 703
2019-05-01 07:21:05 C 13 28 47.28 -24 33 15.8 V 703
2019-05-02 10:19:21 C 13 20 31.65 -24 46 19.8 V T05
2019-05-02 10:32:05 C 13 20 27.71 -24 46 24.9 V T05
2019-05-02 10:46:10 C 13 20 23.42 -24 46 30.6 V T05
2019-05-02 10:59:27 C 13 20 19.36 -24 46 36.1 V T05
2019-05-05 06:25:51 C 13 01 57.76 -25 08 31.1 V 703
2019-05-05 06:33:38 C 13 01 55.78 -25 08 33.1 V 703
2019-05-05 06:41:24 C 13 01 53.75 -25 08 34.8 V 703
2019-05-05 06:49:11 C 13 01 51.75 -25 08 36.8 V 703
2019-05-06 08:48:48 C 12 55 37.06 -25 13 39.5 V T05
2019-05-06 08:59:24 C 12 55 34.50 -25 13 41.2 V T05
2019-05-06 09:03:22 C 12 55 33.56 -25 13 41.7 V T05
2019-05-06 09:09:20 C 12 55 32.11 -25 13 42.6 V T05
2019-05-06 09:13:59 C 12 55 30.98 -25 13 43.5 V T05
2019-05-06 09:19:57 C 12 55 29.54 -25 13 44.5 V T05
2019-05-06 09:25:14 C 12 55 28.27 -25 13 45.2 V T05
2019-05-08 09:10:46 C 12 45 06.75 -25 19 36.0 V T08
2019-05-08 09:13:59 C 12 45 06.07 -25 19 36.3 V T08
2019-05-08 09:22:41 C 12 45 04.25 -25 19 36.3 V T08
2019-05-08 09:48:42 C 12 44 58.71 -25 19 38.2 V T08
2019-05-09 06:16:11 C 12 40 58.20 -25 21 07.4 V 703
2019-05-09 06:24:23 C 12 40 56.56 -25 21 07.6 V 703
2019-05-09 06:32:35 C 12 40 54.94 -25 21 08.1 V 703
2019-05-09 06:40:47 C 12 40 53.34 -25 21 08.7 V 703
2023-04-22 03:36:42 C 07 22 07.345 +46 29 25.66 V 703
2023-04-22 03:53:40 C 07 22 16.122 +46 28 32.38 V 703
2023-04-22 04:02:10 C 07 22 20.431 +46 28 05.88 V 703
2023-05-07 20:16:10 C 09 26 42.11 +25 01 42.4 X C95
2023-05-07 20:56:25 C 09 26 50.08 +24 59 37.7 X C95