IAA RAS IAA Minor Planet Database

2019 HC

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5504564908 ± 1.30e-08
Semi-major axis (a)2.6699623904 AU ± 6.13e-08
Inclination (i)35.31792683° ± 2.13e-06
Long. of Asc. Node (Ω)215.54969331° ± 8.88e-07
Arg. of Perihelion (ω)6.32728387° ± 5.40e-06
Mean Anomaly (M)182.12465088° ± 1.87e-05
Mean Motion (n)0.2259199381°/day ± 7.78e-09
Perihelion dist (q)1.20026426 AU ± 4.43e-08
Aphelion dist (Q)4.13966052 AU ± 1.01e-07
Orbital Period4.36272377 yr ± 1.50e-07
Physical Parameters
H (abs. magnitude)17.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.163″
Uncertainty0
Orbit TypeAmor
MOID0.195516 AU
Observations Used942
Oppositions7
Arc Total2015-2024
First Observation Used2015-06-05
Last Observation Used2024-09-26
Observations (988)
Date Type RA Dec Mag Band Observatory
2019-05-14 00:04:11 C 16 17 16.80 +34 23 06.3 – V K38
2019-05-14 00:05:11 C 16 17 16.93 +34 23 02.8 16.3 r 238
2019-05-14 00:11:57 C 16 17 17.04 +34 23 24.6 16.4 r 238
2019-05-14 00:18:37 C 16 17 17.35 +34 23 52.8 – V 204
2019-05-14 00:19:47 C 16 17 17.39 +34 23 56.6 – V 204
2019-05-14 00:20:57 C 16 17 17.43 +34 24 00.3 – V 204
2019-05-14 00:22:07 C 16 17 17.48 +34 24 04.0 – V 204
2019-05-14 00:23:51 C 16 17 17.55 +34 24 09.7 – V 204
2019-05-14 00:55:39 C 16 17 19.61 +34 26 00.9 – d 954
2019-05-14 00:57:15 C 16 17 19.68 +34 26 06.0 – d 954
2019-05-14 00:58:50 C 16 17 19.70 +34 26 11.3 – d 954
2019-05-14 01:00:26 C 16 17 19.78 +34 26 16.5 – d 954
2019-05-14 01:02:02 C 16 17 19.83 +34 26 21.6 – d 954
2019-05-14 06:53:04 C 16 17 34.94 +34 44 55.2 – u H21
2019-05-14 06:55:26 C 16 17 35.03 +34 45 02.7 – u H21
2019-05-14 06:57:31 C 16 17 35.10 +34 45 09.4 – u H21
2019-05-14 06:59:35 C 16 17 35.17 +34 45 15.8 – u H21
2019-05-14 07:01:39 C 16 17 35.24 +34 45 22.4 – u H21
2019-05-14 07:05:47 C 16 17 35.40 +34 45 35.3 – u H21
2019-05-14 07:07:51 C 16 17 35.49 +34 45 41.9 – u H21
2019-05-14 07:09:55 C 16 17 35.55 +34 45 48.4 – u H21
2019-05-14 07:12:00 C 16 17 35.63 +34 45 54.9 – u H21
2019-05-14 07:14:04 C 16 17 35.71 +34 46 01.5 – u H21
2019-05-14 07:16:08 C 16 17 35.78 +34 46 07.9 – u H21
2019-05-14 07:18:12 C 16 17 35.86 +34 46 14.5 – u H21
2019-05-14 07:20:16 C 16 17 35.94 +34 46 20.9 – u H21
2019-05-14 07:22:20 C 16 17 36.01 +34 46 27.5 – u H21
2019-05-14 07:24:24 C 16 17 36.08 +34 46 34.0 – u H21
2019-05-14 07:26:28 C 16 17 36.16 +34 46 40.5 – u H21
2019-05-14 07:28:45 C 16 17 36.24 +34 46 47.6 – u H21
2019-05-14 07:49:22 C 16 17 37.69 +34 47 56.1 – V 703
2019-05-14 07:57:08 C 16 17 38.00 +34 48 21.0 – V 703
2019-05-14 08:04:56 C 16 17 38.28 +34 48 45.6 – V 703
2019-05-14 08:12:48 C 16 17 38.59 +34 49 10.5 – V 703
2019-05-14 10:44:52 C 16 17 45.56 +34 57 13.5 – V T08
2019-05-14 10:46:11 C 16 17 45.61 +34 57 17.5 – V T08
2019-05-14 10:48:51 C 16 17 45.69 +34 57 25.9 – V T08
2019-05-14 10:58:52 C 16 17 46.03 +34 57 57.2 – V T08
2019-05-14 11:05:34 C 16 17 46.28 +34 58 18.2 – V T08
2019-05-14 11:13:42 C 16 17 46.55 +34 58 43.6 – V T08
2019-05-14 11:21:23 C 16 17 46.82 +34 59 07.5 – V T08
2019-05-14 11:27:25 C 16 17 47.01 +34 59 26.3 – V T08
2019-05-14 21:19:05 C 16 18 12.54 +35 29 35.8 – V 186
2019-05-14 21:21:42 C 16 18 12.63 +35 29 43.6 – V 186
2019-05-14 21:22:43 C 16 18 12.68 +35 29 47.1 – V 186
2019-05-14 21:23:44 C 16 18 12.70 +35 29 49.9 – V 186
2019-05-14 21:52:46 C 16 18 15.18 +35 31 10.8 – V G34
2019-05-14 21:55:00 C 16 18 15.27 +35 31 17.5 – V G34
2019-05-14 21:57:11 C 16 18 15.37 +35 31 24.1 – V G34
2019-05-14 21:59:22 C 16 18 15.44 +35 31 30.8 – V G34