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
2017-03-27 09:14:25 C 15 34 04.712 +20 22 36.08 V W84
2017-03-30 09:40:31 C 15 34 03.387 +21 21 54.64 V W84
2017-04-06 08:21:45 C 15 31 43.926 +24 06 54.41 V W84
2017-04-06 14:15:30 C 15 31 34.539 +24 13 26.39 L F51
2017-04-06 14:30:30 C 15 31 34.074 +24 13 43.43 L F51
2017-04-06 14:45:23 C 15 31 33.587 +24 14 00.42 L F51
2017-04-06 15:00:15 C 15 31 33.137 +24 14 17.32 L F51
2017-04-18 09:11:23 C 15 13 44.72 +31 37 19.0 q G96
2017-04-18 09:26:42 C 15 13 42.77 +31 37 52.9 q G96
2017-04-18 09:32:47 C 15 13 42.08 +31 38 05.2 q G96
2017-04-18 09:38:54 C 15 13 41.24 +31 38 19.1 q G96
2017-04-18 11:28:42 C 15 13 27.48 +31 42 16.4 q G96
2017-04-18 11:30:20 C 15 13 27.24 +31 42 19.8 q G96
2017-04-18 11:31:59 C 15 13 27.04 +31 42 23.0 q G96
2017-04-19 07:15:01 C 15 10 59.54 +32 26 42.3 q G96
2017-04-19 07:17:32 C 15 10 59.20 +32 26 48.0 q G96
2017-04-19 07:20:01 C 15 10 58.83 +32 26 54.0 q G96
2017-04-19 07:22:29 C 15 10 58.51 +32 26 59.6 q G96
2017-04-19 07:24:48 C 15 10 58.17 +32 27 05.2 q G96
2017-04-19 07:26:43 C 15 10 57.91 +32 27 09.4 q G96
2017-04-19 07:27:21 C 15 10 57.84 +32 27 11.2 q G96
2017-04-19 07:35:23 C 15 10 56.68 +32 27 29.6 q G96
2017-04-20 00:36:13 C 15 08 34.50 +33 07 44.0 q I93
2017-04-20 00:44:36 C 15 08 33.22 +33 08 04.4 q I93
2017-04-20 00:52:58 C 15 08 31.98 +33 08 25.4 q I93
2017-04-20 06:10:01 C 15 07 46.09 +33 21 26.0 q G96
2017-04-20 06:11:57 C 15 07 45.78 +33 21 30.6 q G96
2017-04-20 06:15:06 C 15 07 45.30 +33 21 38.2 q G96
2017-04-20 06:17:06 C 15 07 45.00 +33 21 43.2 q G96
2017-04-21 07:07:06 C 15 03 44.93 +34 25 25.9 u H21
2017-04-21 07:13:18 C 15 03 43.81 +34 25 42.5 u H21
2017-04-21 07:21:15 C 15 03 42.37 +34 26 03.5 u H21
2017-04-22 10:49:43 C 14 58 35.32 +35 42 35.4 o 926
2017-04-22 10:52:51 C 14 58 34.67 +35 42 44.0 o 926
2017-04-22 10:55:58 C 14 58 34.03 +35 42 52.9 o 926
2017-04-23 02:01:39 C 14 55 24.70 +36 27 45.3 U 204
2017-04-23 02:13:30 C 14 55 22.01 +36 28 21.1 U 204
2017-04-23 02:25:44 C 14 55 19.23 +36 28 58.5 U 204
2017-04-23 07:07:06 C 14 54 17.37 +36 43 30.1 20.2 U H21
2017-04-23 07:14:01 C 14 54 15.73 +36 43 51.5 20.0 U H21
2017-04-23 07:20:56 C 14 54 14.11 +36 44 13.0 20.0 U H21
2017-04-24 07:28:26 C 14 48 21.70 +38 02 10.5 20.4 U H21
2017-04-24 07:35:07 C 14 48 19.85 +38 02 32.7 U H21
2017-04-24 07:41:47 C 14 48 17.99 +38 02 55.2 19.8 U H21
2017-04-25 07:19:11 C 14 41 37.19 +39 25 35.9 U H21
2017-04-25 07:25:29 C 14 41 35.17 +39 25 58.1 20.0 U H21
2017-04-25 07:32:00 C 14 41 33.13 +39 26 21.4 20.3 U H21
2017-04-26 03:19:40 C 14 35 07.89 +40 40 47.7 q W25
2017-04-26 03:49:32 C 14 34 57.21 +40 42 45.1 q W25
2017-04-28 03:50:48 C 14 14 55.95 +44 04 48.4 q W25