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
2019-05-27 13:11:22 C 16 28 07.164 +45 33 15.96 – U F51
2019-05-27 13:13:15 C 16 28 07.195 +45 33 18.09 – U F51
2019-05-29 01:44:32 C 16 29 00.02 +46 14 16.7 – V G40
2019-05-29 01:59:27 C 16 29 00.28 +46 14 32.4 – V G40
2019-05-29 02:24:33 C 16 29 00.67 +46 14 58.3 – V G40
2019-05-29 22:46:39 C 16 29 29.14 +46 35 32.8 – V K87
2019-05-29 22:56:59 C 16 29 29.31 +46 35 43.1 – V K87
2019-05-29 23:08:46 C 16 29 29.51 +46 35 54.3 – V K87
2019-05-30 08:39:21 C 16 29 41.55 +46 45 08.4 – V 703
2019-05-30 08:47:12 C 16 29 41.70 +46 45 16.0 – V 703
2019-05-30 08:55:05 C 16 29 41.83 +46 45 23.3 – V 703
2019-05-30 09:02:57 C 16 29 41.94 +46 45 30.8 – V 703
2019-05-31 07:39:13 C 16 30 12.16 +47 06 02.8 – V 654
2019-05-31 10:17:18 C 16 30 14.55 +47 08 17.6 – V 654
2019-05-31 10:25:51 C 16 30 15.61 +47 08 32.0 – V T08
2019-05-31 10:48:53 C 16 30 15.95 +47 08 51.6 – V T08
2019-05-31 10:52:51 C 16 30 16.00 +47 08 55.1 – V T08
2019-05-31 11:02:29 C 16 30 16.14 +47 09 03.3 – V T08
2019-05-31 23:06:44 n 16 30 32.12 +47 19 03.5 – V Z43
2019-05-31 23:27:36 n 16 30 32.45 +47 19 21.0 – V Z43
2019-05-31 23:33:06 n 16 30 32.54 +47 19 26.0 – V Z43
2019-06-01 02:36:55 C 16 30 35.53 +47 22 01.5 – o Z22
2019-06-01 02:44:18 C 16 30 35.61 +47 22 07.2 – o Z22
2019-06-01 03:42:52 C 16 30 36.50 +47 22 53.2 – o Z22
2019-06-01 03:46:28 C 16 30 36.56 +47 22 56.0 – o Z22
2019-06-01 03:50:05 C 16 30 36.62 +47 22 58.7 – o Z22
2019-06-01 04:56:40 C 16 30 37.73 +47 23 49.9 – o Z22
2019-06-01 06:14:55 C 16 30 40.59 +47 24 54.8 – u H21
2019-06-01 06:18:08 C 16 30 40.65 +47 24 57.3 – u H21
2019-06-01 06:26:54 C 16 30 40.77 +47 25 04.3 – u H21
2019-06-01 06:35:06 C 16 30 40.89 +47 25 10.8 – u H21
2019-06-01 08:33:54 C 16 30 43.35 +47 26 47.3 – V 654
2019-06-01 09:33:16 C 16 30 44.22 +47 27 33.4 – V 654
2019-06-01 10:08:53 C 16 30 44.75 +47 28 00.7 – V 654
2019-06-01 20:44:08 C 16 30 59.57 +47 36 10.0 – U 108
2019-06-01 20:48:36 C 16 30 59.62 +47 36 13.3 – U 108
2019-06-01 20:52:30 C 16 30 59.69 +47 36 16.7 – U 108
2019-06-02 00:08:44 C 16 31 02.64 +47 38 43.2 – V G34
2019-06-02 00:12:47 C 16 31 02.70 +47 38 46.1 – V G34
2019-06-02 00:16:08 C 16 31 02.78 +47 38 48.9 – V G34
2019-06-02 07:35:24 C 16 31 11.95 +47 44 19.2 – V I52
2019-06-02 07:42:40 C 16 31 12.04 +47 44 24.4 – V I52
2019-06-02 07:50:03 C 16 31 12.15 +47 44 29.7 – V I52
2019-06-02 07:55:57 C 16 31 12.23 +47 44 34.0 – V I52
2019-06-02 10:03:22 C 16 31 15.19 +47 46 09.7 – V T05
2019-06-02 10:07:23 C 16 31 15.23 +47 46 12.8 – V T05
2019-06-02 10:17:01 C 16 31 15.36 +47 46 19.6 – V T05
2019-06-02 10:36:33 C 16 31 15.61 +47 46 33.5 – V T05
2019-06-03 05:56:36 C 16 31 39.73 +47 59 51.7 – U I41
2019-06-03 06:02:10 C 16 31 39.07 +47 59 54.2 – u H21