2017 HC1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8027622093 ± 2.44e-08
Semi-major axis (a)2.3723782135 AU ± 1.10e-08
Inclination (i)33.07729284° ± 2.03e-05
Long. of Asc. Node (Ω)47.67432198° ± 1.17e-05
Arg. of Perihelion (ω)272.86262557° ± 7.14e-06
Mean Anomaly (M)109.59118763° ± 5.02e-06
Mean Motion (n)0.2697344303°/day ± 1.87e-09
Perihelion dist (q)0.46792264 AU ± 5.78e-08
Aphelion dist (Q)4.27683379 AU ± 6.11e-08
Orbital Period3.65406182 yr ± 2.54e-08
Physical Parameters
H (abs. magnitude)20.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.205″
Uncertainty0
Orbit TypeApollo
MOID0.072082 AU
Observations Used79
Oppositions5
Arc Total2017-2024
First Observation Used2017-03-27
Last Observation Used2024-12-03
Observations (83)
Date Type RA Dec Mag Band Observatory
2017-04-28 04:02:14 C 14 14 50.13 +44 05 40.0 q W25
2017-04-29 22:27:39 C 13 49 50.40 +47 28 25.9 18.5 t 104
2017-04-29 22:30:37 C 13 49 48.26 +47 28 40.5 18.7 t 104
2017-04-29 22:33:35 C 13 49 46.14 +47 28 55.5 18.7 t 104
2017-04-30 03:36:34 C 13 46 13.48 +47 54 18.7 u 926
2017-04-30 03:39:30 C 13 46 11.18 +47 54 34.2 u 926
2017-04-30 03:42:27 C 13 46 08.99 +47 54 47.8 u 926
2017-05-02 04:23:45 C 13 02 07.41 +52 02 38.0 u 926
2017-05-02 04:26:32 C 13 02 04.24 +52 02 52.4 u 926
2017-05-02 04:29:19 C 13 02 01.08 +52 03 05.7 u 926
2017-05-03 01:04:43 C 12 36 56.05 +53 39 54.4 S 033
2017-05-03 01:07:21 C 12 36 52.52 +53 40 06.1 S 033
2017-05-03 01:10:00 C 12 36 49.00 +53 40 17.4 S 033
2017-05-03 01:24:41 C 12 36 29.46 +53 41 20.7 S 033
2017-05-03 01:27:19 C 12 36 25.91 +53 41 32.1 S 033
2017-05-03 01:29:58 C 12 36 22.39 +53 41 43.6 S 033
2017-05-03 01:49:34 C 12 36 00.93 +53 43 35.6 q I15
2017-05-03 01:54:28 C 12 35 49.59 +53 43 29.0 S 033
2017-05-03 01:55:56 C 12 35 52.30 +53 44 04.3 q I15
2017-05-03 01:57:07 C 12 35 46.04 +53 43 40.2 S 033
2017-05-03 01:59:45 C 12 35 42.52 +53 43 51.6 S 033
2017-05-03 02:02:19 C 12 35 43.77 +53 44 32.0 q I15
2017-05-03 17:17:15 S 12 14 07.38 +54 46 30.6 L C51
2017-05-03 18:51:30 S 12 11 44.64 +54 52 18.8 L C51
2017-05-04 13:42:31 S 11 41 01.747 +55 49 37.06 L C51
2024-12-01 03:02:39 C 23 02 17.466 +60 24 24.59 V I52
2024-12-01 03:07:24 C 23 02 20.526 +60 24 21.35 V I52
2024-12-01 03:08:22 C 23 02 21.131 +60 24 20.70 V I52
2024-12-01 03:09:19 C 23 02 21.764 +60 24 19.73 V I52
2024-12-03 01:53:24 C 23 29 52.037 +59 43 57.97 V I52
2024-12-03 01:54:49 C 23 29 52.732 +59 43 56.57 V I52
2024-12-03 01:56:13 C 23 29 53.444 +59 43 55.16 V I52
2024-12-03 01:57:38 C 23 29 54.146 +59 43 53.80 V I52