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
2019-06-20 23:20:44 C 16 40 01.56 +49 35 39.2 – V L01
2019-06-20 23:39:25 C 16 40 02.18 +49 35 36.2 – V J95
2019-06-20 23:42:37 C 16 40 01.95 +49 35 36.4 – V L01
2019-06-20 23:48:22 C 16 40 02.33 +49 35 35.0 – V J95
2019-06-21 02:03:41 C 16 40 04.83 +49 35 23.8 – V G40
2019-06-21 02:13:12 C 16 40 05.00 +49 35 22.2 – V G40
2019-06-21 02:23:04 C 16 40 05.19 +49 35 20.9 – V G40
2019-06-21 02:33:06 C 16 40 05.33 +49 35 19.5 – V G40
2019-06-21 02:43:04 C 16 40 05.51 +49 35 18.2 – V G40
2019-06-21 06:43:25 C 16 40 11.05 +49 34 47.9 – u H21
2019-06-21 06:49:05 C 16 40 11.14 +49 34 47.3 – u H21
2019-06-21 06:55:12 C 16 40 11.25 +49 34 46.5 – u H21
2019-06-21 07:30:59 C 16 40 12.25 +49 34 44.5 – V I52
2019-06-21 07:47:26 C 16 40 12.52 +49 34 42.2 – V I52
2019-06-21 08:04:10 C 16 40 12.80 +49 34 40.0 – V I52
2019-06-21 08:21:30 C 16 40 13.11 +49 34 37.3 – V I52
2019-06-23 04:55:35 C 16 41 13.93 +49 27 55.5 – U I41
2019-06-23 05:56:24 C 16 41 15.04 +49 27 45.4 – U I41
2019-06-23 08:49:18 C 16 41 18.19 +49 27 12.7 – U I41
2019-06-23 09:18:29 C 16 41 18.73 +49 27 06.7 – U I41
2019-06-24 00:14:38 C 16 41 39.61 +49 24 14.7 – V 204
2019-06-24 00:25:26 C 16 41 39.85 +49 24 12.4 – V 204
2019-06-24 00:36:14 C 16 41 40.05 +49 24 10.1 – V 204
2019-06-24 08:03:40 C 16 41 50.44 +49 22 42.3 – V 703
2019-06-24 08:11:29 C 16 41 50.61 +49 22 40.8 – V 703
2019-06-24 08:19:19 C 16 41 50.81 +49 22 38.5 – V 703
2019-06-24 08:27:09 C 16 41 51.13 +49 22 35.0 – V 703
2019-06-24 09:19:36 C 16 41 52.64 +49 22 29.3 – V T08
2019-06-24 09:24:14 C 16 41 52.80 +49 22 29.7 – V T08
2019-06-24 09:32:54 C 16 41 52.98 +49 22 27.2 – V T08
2019-06-24 09:47:28 C 16 41 53.07 +49 22 24.3 – V T08
2019-06-24 21:13:51 C 16 42 10.27 +49 19 53.0 – V G40
2019-06-24 21:33:51 C 16 42 10.67 +49 19 49.0 – V G40
2019-06-24 21:53:50 C 16 42 11.04 +49 19 44.9 – V G40
2019-06-24 22:33:42 C 16 42 11.80 +49 19 36.7 – V G40
2019-06-24 23:02:51 C 16 42 12.37 +49 19 30.3 – V G40
2019-06-25 11:35:00 C 16 42 29.311 +49 16 36.27 – U F51
2019-06-25 11:55:36 C 16 42 29.724 +49 16 30.86 – U F51
2019-06-25 12:16:08 C 16 42 30.144 +49 16 25.36 – U F51
2019-06-25 21:05:39 C 16 42 44.02 +49 14 14.3 – V B67
2019-06-25 21:15:11 C 16 42 44.23 +49 14 11.9 – V B67
2019-06-25 21:24:44 C 16 42 44.43 +49 14 09.4 – V B67
2019-06-26 06:46:28 C 16 42 57.66 +49 11 50.5 – V I52
2019-06-26 06:57:17 C 16 42 57.88 +49 11 47.5 – V I52
2019-06-26 07:09:52 C 16 42 58.14 +49 11 44.2 – V I52
2019-06-26 07:35:48 C 16 42 58.66 +49 11 37.1 – V I52
2019-06-28 08:01:06 C 16 44 11.17 +48 57 53.4 – V 703
2019-06-28 08:08:48 C 16 44 11.41 +48 57 50.6 – V 703
2019-06-28 08:16:29 C 16 44 11.52 +48 57 47.7 – V 703
2019-06-28 08:24:12 C 16 44 11.71 +48 57 45.5 – V 703