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
2019-07-10 07:53:54 C 16 52 46.309 +46 53 10.71 – U F52
2019-07-10 07:54:53 C 16 52 45.62 +46 53 07.3 – V 703
2019-07-10 08:02:35 C 16 52 45.90 +46 53 02.4 – V 703
2019-07-10 08:11:27 C 16 52 46.834 +46 53 01.18 – U F52
2019-07-10 08:29:03 C 16 52 47.364 +46 52 51.54 – U F52
2019-07-10 08:46:43 C 16 52 47.893 +46 52 41.85 – U F52
2019-07-11 05:21:11 C 16 53 30.74 +46 41 19.7 – V I52
2019-07-11 05:26:45 C 16 53 30.91 +46 41 16.6 – V I52
2019-07-11 05:57:54 C 16 53 31.90 +46 40 59.2 – V I52
2019-07-13 04:26:54 C 16 55 11.46 +46 14 20.7 – u H21
2019-07-13 04:30:39 C 16 55 11.58 +46 14 18.4 – u H21
2019-07-13 04:34:59 C 16 55 11.73 +46 14 15.9 – u H21
2019-07-13 04:39:18 C 16 55 11.86 +46 14 13.4 – u H21
2019-07-13 04:43:38 C 16 55 12.01 +46 14 10.8 – u H21
2019-07-13 04:48:50 C 16 55 12.18 +46 14 07.7 – u H21
2019-07-14 03:56:38 C 16 56 03.45 +46 00 23.2 – u H21
2019-07-14 04:02:07 C 16 56 03.62 +46 00 19.7 – u H21
2019-07-14 04:08:00 C 16 56 03.85 +46 00 16.4 – u H21
2019-07-14 04:13:53 C 16 56 04.06 +46 00 12.8 – u H21
2019-07-14 04:19:46 C 16 56 04.26 +46 00 08.6 – u H21
2019-07-14 04:21:37 C 16 56 04.31 +46 00 07.5 – u H21
2019-07-14 08:41:18 C 16 56 13.92 +45 57 33.6 – V T08
2019-07-14 08:46:36 C 16 56 14.12 +45 57 32.0 – V T08
2019-07-14 08:54:37 C 16 56 14.42 +45 57 27.1 – V T08
2019-07-14 09:09:15 C 16 56 14.89 +45 57 18.1 – V T08
2019-07-15 09:04:37 C 16 57 09.085 +45 42 40.45 – U F51
2019-07-15 09:26:21 C 16 57 09.829 +45 42 26.79 – U F51
2019-07-15 09:48:04 C 16 57 10.573 +45 42 13.09 – U F51
2019-07-15 10:09:48 C 16 57 11.337 +45 41 59.26 – U F51
2019-07-17 11:27:11 C 16 59 06.116 +45 10 47.72 – U F51
2019-07-17 11:44:34 C 16 59 06.775 +45 10 35.84 – U F51
2019-07-17 12:01:58 C 16 59 07.431 +45 10 24.41 – U F51
2019-07-17 12:19:22 C 16 59 08.102 +45 10 12.45 – U F51
2019-07-19 04:06:41 C 17 00 44.89 +44 44 05.9 – u H21
2019-07-19 04:11:26 C 17 00 45.07 +44 44 02.7 – u H21
2019-07-19 04:15:19 C 17 00 45.23 +44 44 00.0 – u H21
2019-07-19 04:19:07 C 17 00 45.38 +44 43 57.5 – u H21
2019-07-19 04:23:16 C 17 00 45.53 +44 43 54.7 – u H21
2019-07-20 04:19:44 C 17 01 44.81 +44 27 48.1 – u H21
2019-07-20 04:22:35 C 17 01 44.92 +44 27 46.4 – u H21
2019-07-20 04:25:31 C 17 01 45.02 +44 27 44.4 – u H21
2019-07-20 04:28:28 C 17 01 45.13 +44 27 42.2 – u H21
2019-07-20 04:31:24 C 17 01 45.25 +44 27 40.2 – u H21
2019-07-20 04:35:19 C 17 01 45.40 +44 27 37.6 – u H21
2019-07-20 09:57:03 C 17 01 58.596 +44 24 00.82 – U F51
2019-07-20 10:18:26 C 17 01 59.426 +44 23 45.85 – U F51
2019-07-20 10:39:47 C 17 02 00.261 +44 23 30.85 – U F51
2019-07-20 11:01:13 C 17 02 01.110 +44 23 15.83 – U F51
2019-07-23 03:53:13 C 17 04 48.16 +43 38 00.3 19.4 V H21
2019-07-23 04:01:30 C 17 04 48.49 +43 37 54.3 19.2 V H21