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
2019-05-11 00:16:10 C 16 13 49.20 +30 05 52.3 – q G40
2019-05-11 00:20:13 C 16 13 49.36 +30 06 08.5 – q G40
2019-05-11 21:18:23 n 16 14 53.73 +31 26 36.6 – V Z43
2019-05-11 21:34:30 n 16 14 54.47 +31 27 37.2 – V Z43
2019-05-11 21:46:25 n 16 14 55.00 +31 28 22.2 – V Z43
2019-05-11 21:55:36 n 16 14 55.42 +31 28 56.8 – V Z43
2019-05-11 22:04:54 n 16 14 55.83 +31 29 31.8 – V Z43
2019-05-12 12:29:15 C 16 15 36.39 +32 22 24.5 – V T05
2019-05-12 12:45:43 C 16 15 37.04 +32 23 23.1 – V T05
2019-05-12 13:02:32 C 16 15 37.70 +32 24 22.7 – V T05
2019-05-12 13:07:02 C 16 15 37.87 +32 24 38.6 – V T05
2019-05-12 21:06:55 C 16 16 01.55 +32 52 43.6 – V 186
2019-05-12 21:10:02 C 16 16 01.67 +32 52 54.3 – V 186
2019-05-12 21:14:10 C 16 16 01.82 +32 53 08.8 – V 186
2019-05-12 21:15:12 C 16 16 01.86 +32 53 12.2 – V 186
2019-05-12 21:48:46 C 16 16 04.28 +32 55 05.2 – V 089
2019-05-12 21:52:10 C 16 16 04.39 +32 55 17.4 – V 089
2019-05-12 21:55:33 C 16 16 04.54 +32 55 29.3 – V 089
2019-05-12 21:58:56 C 16 16 04.66 +32 55 40.6 – V 089
2019-05-12 22:05:42 C 16 16 04.95 +32 56 04.3 – V 089
2019-05-12 22:09:05 C 16 16 05.12 +32 56 15.9 – V 089
2019-05-12 22:12:28 C 16 16 05.23 +32 56 27.5 – V 089
2019-05-12 22:30:45 C 16 16 06.71 +32 57 27.3 – V Z80
2019-05-12 22:36:14 C 16 16 06.97 +32 57 46.8 – V J69
2019-05-12 22:39:45 C 16 16 07.09 +32 57 58.8 – V Z80
2019-05-12 22:43:15 C 16 16 07.26 +32 58 11.2 – V J69
2019-05-12 22:48:45 C 16 16 07.47 +32 58 30.1 – V Z80
2019-05-12 22:50:15 C 16 16 07.57 +32 58 35.7 – V J69
2019-05-12 22:57:15 C 16 16 07.86 +32 59 00.0 – V J69
2019-05-12 22:57:45 C 16 16 07.84 +32 59 01.5 – V Z80
2019-05-12 23:06:45 C 16 16 08.23 +32 59 33.0 – V Z80
2019-05-12 23:15:45 C 16 16 08.59 +33 00 04.4 – V Z80
2019-05-12 23:24:56 C 16 16 08.97 +33 00 36.4 – V Z80
2019-05-12 23:34:16 C 16 16 09.35 +33 01 09.0 – V Z80
2019-05-12 23:43:16 C 16 16 09.74 +33 01 40.1 – V Z80
2019-05-12 23:52:16 C 16 16 10.11 +33 02 11.3 – V Z80
2019-05-13 08:29:54 C 16 16 33.84 +33 31 50.4 – V G96
2019-05-13 08:38:04 C 16 16 34.15 +33 32 18.0 – V G96
2019-05-13 08:46:14 C 16 16 34.49 +33 32 45.2 – V G96
2019-05-13 08:54:23 C 16 16 34.77 +33 33 12.8 – V G96
2019-05-13 10:40:25 C 16 16 38.83 +33 39 06.9 – V I52
2019-05-13 10:41:38 C 16 16 38.88 +33 39 10.9 – V I52
2019-05-13 10:42:53 C 16 16 38.92 +33 39 15.2 – V I52
2019-05-13 11:02:46 C 16 16 39.71 +33 40 20.9 – V I52
2019-05-13 17:03:36 C 16 16 59.02 +34 00 14.4 – V 186
2019-05-13 17:05:40 C 16 16 59.11 +34 00 21.3 – V 186
2019-05-13 17:09:48 C 16 16 59.29 +34 00 35.3 – V 186
2019-05-13 17:12:54 C 16 16 59.39 +34 00 45.4 – V 186
2019-05-13 23:47:44 C 16 17 16.17 +34 22 13.0 – V K38
2019-05-13 23:55:22 C 16 17 16.46 +34 22 37.8 – V K38