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
2019-06-28 10:06:17 C 16 44 14.59 +48 57 17.7 – V T08
2019-06-28 10:10:58 C 16 44 14.73 +48 57 15.4 – V T08
2019-06-28 10:18:23 C 16 44 14.78 +48 57 13.7 – V T08
2019-06-28 10:33:43 C 16 44 15.15 +48 57 08.5 – V T08
2019-07-01 00:53:26 C 16 45 54.44 +48 35 55.2 – V G40
2019-07-01 01:03:00 C 16 45 54.66 +48 35 51.4 – V G40
2019-07-01 01:13:04 C 16 45 54.86 +48 35 47.7 – V G40
2019-07-01 01:33:02 C 16 45 55.36 +48 35 39.9 – V G40
2019-07-01 01:53:06 C 16 45 55.83 +48 35 32.1 – V G40
2019-07-01 04:21:37 C 16 46 00.96 +48 34 36.9 – U I41
2019-07-01 04:57:13 C 16 46 01.80 +48 34 24.1 – U I41
2019-07-01 05:21:53 C 16 46 02.38 +48 34 15.0 – U I41
2019-07-01 06:18:50 C 16 46 03.69 +48 33 53.7 – U I41
2019-07-02 09:09:50 C 16 46 47.92 +48 23 29.3 – V G96
2019-07-02 09:10:33 C 16 46 47.91 +48 23 29.1 – V G96
2019-07-02 09:16:49 C 16 46 48.11 +48 23 26.3 – V G96
2019-07-02 09:17:33 C 16 46 48.11 +48 23 26.1 – V G96
2019-07-02 09:20:10 C 16 46 48.18 +48 23 24.8 – V I52
2019-07-02 09:23:49 C 16 46 48.29 +48 23 23.3 – V G96
2019-07-02 09:24:33 C 16 46 48.28 +48 23 23.1 – V G96
2019-07-02 09:28:38 C 16 46 48.41 +48 23 21.2 – V I52
2019-07-02 09:30:48 C 16 46 48.46 +48 23 20.4 – V G96
2019-07-02 09:31:32 C 16 46 48.49 +48 23 20.1 – V G96
2019-07-02 09:36:10 C 16 46 48.60 +48 23 18.0 – V I52
2019-07-03 05:56:04 C 16 47 25.028 +48 15 06.02 – V T12
2019-07-03 05:56:47 C 16 47 25.047 +48 15 05.74 – V T12
2019-07-03 05:58:06 C 16 47 25.080 +48 15 05.23 – V T12
2019-07-03 06:01:37 C 16 47 25.167 +48 15 03.85 – V T12
2019-07-03 06:05:33 C 16 47 25.267 +48 15 02.29 – V T12
2019-07-04 11:17:47 C 16 48 15.38 +48 02 31.3 – V T05
2019-07-04 11:22:30 C 16 48 15.52 +48 02 29.4 – V T05
2019-07-04 11:31:39 C 16 48 15.74 +48 02 25.3 – V T05
2019-07-04 11:46:16 C 16 48 16.13 +48 02 18.3 – V T05
2019-07-05 07:31:49 C 16 48 52.20 +47 53 26.2 – V 703
2019-07-05 07:39:32 C 16 48 52.38 +47 53 22.6 – V 703
2019-07-05 07:47:15 C 16 48 52.69 +47 53 19.2 – V 703
2019-07-05 07:54:59 C 16 48 52.80 +47 53 15.6 – V 703
2019-07-05 08:01:35 C 16 48 52.89 +47 53 12.6 – V 703
2019-07-05 08:09:22 C 16 48 53.13 +47 53 09.0 – V 703
2019-07-05 08:17:08 C 16 48 53.41 +47 53 05.3 – V 703
2019-07-05 08:24:55 C 16 48 53.49 +47 53 02.0 – V 703
2019-07-10 03:44:45 C 16 52 37.68 +46 55 22.5 – u H21
2019-07-10 03:51:18 C 16 52 37.89 +46 55 18.8 – u H21
2019-07-10 03:57:50 C 16 52 38.09 +46 55 15.3 – u H21
2019-07-10 05:43:10 C 16 52 41.65 +46 54 19.5 – V I52
2019-07-10 05:52:17 C 16 52 41.83 +46 54 14.7 – V I52
2019-07-10 06:05:04 C 16 52 42.30 +46 54 07.5 – V I52
2019-07-10 06:18:50 C 16 52 42.71 +46 54 00.0 – V I52
2019-07-10 07:39:30 C 16 52 45.22 +46 53 15.3 – V 703
2019-07-10 07:47:12 C 16 52 45.39 +46 53 11.0 – V 703