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
2019-06-08 22:32:29 C 16 34 16.90 +49 07 40.3 – V A17
2019-06-08 22:43:49 C 16 34 17.06 +49 07 44.4 – V A17
2019-06-10 05:20:10 C 16 34 52.37 +49 17 22.7 – U I41
2019-06-10 06:30:24 C 16 34 53.31 +49 17 43.4 – U I41
2019-06-10 08:16:53 C 16 34 54.71 +49 18 12.8 – U I41
2019-06-10 10:20:40 C 16 34 57.226 +49 18 50.42 – U F52
2019-06-10 10:37:19 C 16 34 57.436 +49 18 54.82 – U F52
2019-06-10 11:11:04 C 16 34 57.860 +49 19 03.54 – U F52
2019-06-11 05:11:00 C 16 35 19.56 +49 23 35.4 – U I41
2019-06-11 05:47:40 C 16 35 20.08 +49 23 44.8 – U I41
2019-06-11 05:51:42 C 16 35 20.12 +49 23 45.8 – U I41
2019-06-11 07:09:40 C 16 35 21.16 +49 24 04.8 – U I41
2019-06-11 07:14:24 C 16 35 21.22 +49 24 05.9 – U I41
2019-06-11 10:26:13 C 16 35 23.91 +49 24 46.9 – U I41
2019-06-12 10:17:49 C 16 35 52.062 +49 29 50.69 – U F51
2019-06-12 10:38:39 C 16 35 52.331 +49 29 54.39 – U F51
2019-06-12 10:59:21 C 16 35 52.603 +49 29 57.97 – U F51
2019-06-12 11:20:02 C 16 35 52.882 +49 30 01.41 – U F51
2019-06-13 21:14:13 C 16 36 32.88 +49 35 14.0 – t L04
2019-06-13 21:44:21 C 16 36 33.34 +49 35 18.0 – t L04
2019-06-14 09:24:00 C 16 36 47.11 +49 36 47.2 – V T05
2019-06-14 09:28:10 C 16 36 47.22 +49 36 47.6 – V T05
2019-06-14 09:37:26 C 16 36 47.33 +49 36 48.4 – V T05
2019-06-14 09:55:13 C 16 36 47.54 +49 36 50.3 – V T05
2019-06-15 04:52:12 C 16 37 10.70 +49 38 31.7 – U I41
2019-06-15 05:54:36 C 16 37 11.61 +49 38 37.7 – U I41
2019-06-15 06:14:43 C 16 37 11.91 +49 38 39.3 – U I41
2019-06-15 06:55:21 C 16 37 12.49 +49 38 42.6 – U I41
2019-06-15 07:40:52 C 16 37 13.15 +49 38 45.8 – U I41
2019-06-15 08:22:41 C 16 37 13.75 +49 38 48.2 – U I41
2019-06-15 09:27:24 C 16 37 14.73 +49 38 51.7 – U I41
2019-06-16 04:42:10 C 16 37 39.19 +49 39 57.8 – U I41
2019-06-16 05:46:52 C 16 37 40.17 +49 40 01.7 – U I41
2019-06-16 06:47:40 C 16 37 41.08 +49 40 04.4 – U I41
2019-06-16 10:12:22 C 16 37 44.893 +49 40 14.69 – U F51
2019-06-16 10:34:13 C 16 37 45.204 +49 40 15.19 – U F51
2019-06-16 11:17:57 C 16 37 45.842 +49 40 15.90 – U F51
2019-06-17 10:18:58 C 16 38 14.163 +49 40 39.07 – U F51
2019-06-17 10:42:55 C 16 38 14.513 +49 40 38.76 – U F51
2019-06-17 11:06:53 C 16 38 14.872 +49 40 38.34 – U F51
2019-06-17 11:30:52 C 16 38 15.240 +49 40 37.78 – U F51
2019-06-20 09:18:10 C 16 39 43.65 +49 37 12.6 – V T08
2019-06-20 09:22:49 C 16 39 43.75 +49 37 12.8 – V T08
2019-06-20 09:30:48 C 16 39 43.88 +49 37 11.6 – V T08
2019-06-20 09:47:31 C 16 39 44.12 +49 37 10.0 – V T08
2019-06-20 22:39:49 C 16 40 00.83 +49 35 44.3 – V L01
2019-06-20 22:41:44 C 16 40 00.87 +49 35 44.1 – V L01
2019-06-20 22:43:38 C 16 40 00.90 +49 35 43.8 – V L01
2019-06-20 22:59:27 C 16 40 01.45 +49 35 40.8 – V J95
2019-06-20 23:16:56 C 16 40 01.51 +49 35 39.8 – V L01