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
2019-05-20 23:16:09 C 16 23 42.45 +41 28 26.8 – V Z80
2019-05-20 23:21:09 C 16 23 42.57 +41 28 36.4 – V Z80
2019-05-21 07:50:38 C 16 23 59.99 +41 45 11.1 – V T08
2019-05-21 07:51:31 C 16 24 00.02 +41 45 12.3 – V T05
2019-05-21 07:52:25 C 16 24 00.06 +41 45 14.6 – V T08
2019-05-21 07:53:27 C 16 24 00.07 +41 45 16.1 – V T05
2019-05-21 07:55:44 C 16 24 00.10 +41 45 20.9 – V T08
2019-05-21 07:56:48 C 16 24 00.16 +41 45 22.6 – V T05
2019-05-21 08:10:33 C 16 24 00.50 +41 45 49.9 – V T08
2019-05-21 08:12:34 C 16 24 00.55 +41 45 53.6 – V T08
2019-05-21 22:36:47 C 16 24 27.06 +42 12 36.2 – V J69
2019-05-21 22:50:27 C 16 24 27.43 +42 13 01.3 – V J69
2019-05-22 11:36:17 C 16 24 49.947 +42 36 03.65 – U F51
2019-05-22 11:49:04 C 16 24 50.226 +42 36 25.86 – U F51
2019-05-22 12:00:19 C 16 24 50.473 +42 36 45.39 – U F51
2019-05-22 23:06:00 C 16 25 11.19 +42 55 43.0 – V K63
2019-05-22 23:10:58 C 16 25 11.32 +42 55 51.2 – V K63
2019-05-22 23:16:30 C 16 25 11.45 +42 56 00.9 – V K63
2019-05-23 10:48:11 C 16 25 31.53 +43 15 19.5 – V T08
2019-05-23 10:52:10 C 16 25 31.62 +43 15 26.2 – V T08
2019-05-23 10:59:33 C 16 25 31.76 +43 15 38.2 – V T08
2019-05-23 11:14:58 C 16 25 32.09 +43 16 03.3 – V T08
2019-05-24 10:39:16 C 16 26 10.91 +43 52 42.1 – V I52
2019-05-24 10:46:14 C 16 26 11.06 +43 52 52.4 – V I52
2019-05-24 10:49:43 C 16 26 11.14 +43 52 57.5 – V I52
2019-05-24 11:01:34 C 16 26 11.41 +43 53 15.0 – V I52
2019-05-24 11:21:40 C 16 26 12.979 +43 53 54.03 – U F52
2019-05-24 11:38:25 C 16 26 13.305 +43 54 19.18 – U F52
2019-05-24 11:55:15 C 16 26 13.636 +43 54 44.34 – U F52
2019-05-25 07:58:34 C 16 26 46.77 +44 23 59.9 – V G96
2019-05-25 08:06:21 C 16 26 46.92 +44 24 10.9 – V G96
2019-05-25 08:14:02 C 16 26 47.07 +44 24 21.7 – V G96
2019-05-25 08:21:38 C 16 26 47.21 +44 24 32.4 – V G96
2019-05-25 13:07:07 C 16 26 53.983 +44 31 14.83 – U F51
2019-05-25 13:17:23 C 16 26 54.188 +44 31 28.70 – U F51
2019-05-25 13:37:54 C 16 26 54.606 +44 31 56.45 – U F51
2019-05-25 23:19:41 C 16 27 11.65 +44 45 09.4 – v I76
2019-05-25 23:25:22 C 16 27 11.75 +44 45 17.3 – v I76
2019-05-25 23:31:03 C 16 27 11.84 +44 45 25.0 – v I76
2019-05-25 23:38:06 C 16 27 11.99 +44 45 34.8 – v I76
2019-05-25 23:43:47 C 16 27 12.08 +44 45 42.1 – v I76
2019-05-25 23:49:26 C 16 27 12.23 +44 45 49.8 – v I76
2019-05-27 01:13:38 C 16 27 50.35 +45 18 39.4 – V J27
2019-05-27 01:18:33 C 16 27 50.43 +45 18 45.3 – V J27
2019-05-27 01:21:18 C 16 27 50.48 +45 18 48.7 – V J27
2019-05-27 12:20:40 C 16 28 06.268 +45 32 17.11 – U F51
2019-05-27 12:22:32 C 16 28 06.299 +45 32 19.27 – U F51
2019-05-27 12:37:36 C 16 28 06.560 +45 32 36.86 – U F51
2019-05-27 12:54:32 C 16 28 06.859 +45 32 56.48 – U F51
2019-05-27 12:56:24 C 16 28 06.893 +45 32 58.61 – U F51