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
2019-05-06 10:09:25 C 16 07 24.91 +21 36 19.9 – V I52
2019-05-06 10:11:01 C 16 07 25.00 +21 36 28.4 – V I52
2019-05-06 10:13:13 C 16 07 25.11 +21 36 40.1 – V I52
2019-05-06 11:24:57 C 16 07 30.73 +21 43 10.6 – V T08
2019-05-06 11:40:20 C 16 07 31.55 +21 44 32.2 – V T08
2019-05-06 12:00:03 C 16 07 32.61 +21 46 16.9 – V T08
2019-05-06 12:11:02 C 16 07 33.19 +21 47 15.0 – V T08
2019-05-06 21:23:09 C 16 08 09.96 +22 35 10.9 – V L39
2019-05-06 21:24:46 C 16 08 10.03 +22 35 19.5 – V L39
2019-05-06 21:26:13 C 16 08 10.12 +22 35 26.7 – V L39
2019-05-06 21:27:52 C 16 08 10.23 +22 35 35.7 – V L39
2019-05-06 22:16:21 C 16 08 12.94 +22 39 47.1 – V L19
2019-05-06 22:17:54 C 16 08 13.03 +22 39 55.1 – V L19
2019-05-06 22:19:25 C 16 08 13.11 +22 40 02.9 – V L19
2019-05-06 22:21:04 C 16 08 13.21 +22 40 11.7 – V L19
2019-05-06 22:22:36 C 16 08 13.28 +22 40 19.5 – V L19
2019-05-07 01:26:46 C 16 08 23.43 +22 56 09.0 – q 160
2019-05-07 01:29:40 C 16 08 23.55 +22 56 23.8 – q 160
2019-05-07 01:32:40 C 16 08 23.71 +22 56 38.9 – q 160
2019-05-07 03:03:05 C 16 08 31.19 +23 04 20.2 – q I15
2019-05-07 03:05:17 C 16 08 31.31 +23 04 31.5 – q I15
2019-05-07 03:07:28 C 16 08 31.42 +23 04 42.5 – q I15
2019-05-07 03:25:56 C 16 08 30.64 +23 06 27.4 – V G40
2019-05-07 03:41:11 C 16 08 31.48 +23 07 44.4 – V G40
2019-05-07 11:05:52 C 16 08 58.37 +23 45 05.4 – V 703
2019-05-07 11:09:45 C 16 08 58.57 +23 45 24.6 – V 703
2019-05-07 11:13:37 C 16 08 58.78 +23 45 43.8 – V 703
2019-05-07 11:17:30 C 16 08 59.00 +23 46 02.7 – V 703
2019-05-08 10:04:13 C 16 10 21.44 +25 36 35.8 – V I52
2019-05-08 10:05:48 C 16 10 21.51 +25 36 43.2 – V I52
2019-05-08 10:05:58 C 16 10 21.53 +25 36 44.0 – V I52
2019-05-08 10:07:33 C 16 10 21.60 +25 36 51.4 – V I52
2019-05-08 22:07:38 C 16 11 05.27 +26 32 14.1 – V Z80
2019-05-08 22:08:03 C 16 11 05.29 +26 32 15.5 – V Z80
2019-05-08 22:08:28 C 16 11 05.31 +26 32 17.4 – V Z80
2019-05-08 22:08:53 C 16 11 05.37 +26 32 19.6 – V Z80
2019-05-08 22:09:18 C 16 11 05.35 +26 32 21.8 – V Z80
2019-05-08 22:09:43 C 16 11 05.38 +26 32 23.6 – V Z80
2019-05-08 22:10:08 C 16 11 05.43 +26 32 25.5 – V Z80
2019-05-08 22:10:33 C 16 11 05.42 +26 32 27.3 – V Z80
2019-05-08 22:10:58 C 16 11 05.44 +26 32 28.8 – V Z80
2019-05-08 22:11:23 C 16 11 05.49 +26 32 31.0 – V Z80
2019-05-08 22:11:48 C 16 11 05.50 +26 32 33.4 – V Z80
2019-05-10 11:13:45 C 16 13 07.19 +29 13 18.6 – V T08
2019-05-10 11:18:28 C 16 13 07.39 +29 13 38.0 – V T08
2019-05-10 11:52:57 C 16 13 08.87 +29 15 59.7 – V T08
2019-05-10 12:17:36 C 16 13 09.94 +29 17 40.5 – V T08
2019-05-10 22:55:43 C 16 13 45.61 +30 00 29.7 – q G40
2019-05-10 23:16:47 C 16 13 46.55 +30 01 54.4 – q G40
2019-05-10 23:20:57 C 16 13 46.76 +30 02 11.3 – q G40