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
2019-07-23 04:09:47 C 17 04 48.82 +43 37 48.3 19.1 V H21
2019-07-23 04:18:04 C 17 04 49.17 +43 37 42.3 19.4 V H21
2019-07-23 04:26:21 C 17 04 49.52 +43 37 36.3 19.4 V H21
2019-07-24 10:57:33 C 17 06 10.137 +43 15 40.04 – U F51
2019-07-24 11:15:08 C 17 06 10.886 +43 15 26.83 – U F51
2019-07-25 04:00:44 C 17 06 56.56 +43 03 12.7 19.3 V H21
2019-07-25 04:05:58 C 17 06 56.78 +43 03 08.9 19.1 V H21
2019-07-25 04:11:12 C 17 06 57.00 +43 03 04.9 19.4 V H21
2019-07-25 04:16:26 C 17 06 57.21 +43 03 01.0 19.4 V H21
2019-07-25 04:21:40 C 17 06 57.44 +43 02 57.2 19.4 V H21
2019-07-26 03:22:08 C 17 08 00.49 +42 45 58.7 – V H21
2019-07-26 03:30:23 C 17 08 00.84 +42 45 52.4 – V H21
2019-07-26 03:38:25 C 17 08 01.19 +42 45 46.4 – V H21
2019-07-26 03:46:28 C 17 08 01.53 +42 45 40.4 – V H21
2019-07-26 03:54:41 C 17 08 01.87 +42 45 34.4 – V H21
2019-07-29 04:54:43 C 17 11 27.45 +41 50 17.2 – V H21
2019-07-29 05:04:52 C 17 11 27.91 +41 50 09.2 – V H21
2019-07-29 05:15:00 C 17 11 28.37 +41 50 01.3 – V H21
2019-07-29 05:25:05 C 17 11 28.84 +41 49 53.5 – V H21
2019-07-29 05:35:11 C 17 11 29.31 +41 49 45.4 – V H21
2019-08-01 04:02:47 C 17 14 57.03 +40 54 35.9 – V H21
2019-08-01 04:25:14 C 17 14 58.09 +40 54 18.1 – V H21
2019-08-01 04:30:50 C 17 14 58.37 +40 54 13.4 – V H21
2019-08-01 04:36:27 C 17 14 58.66 +40 54 08.9 – V H21
2019-08-01 04:42:04 C 17 14 58.91 +40 54 04.5 – V H21
2019-08-01 04:47:41 C 17 14 59.19 +40 53 59.7 – V H21
2019-08-01 04:53:17 C 17 14 59.43 +40 53 55.4 – V H21
2019-08-03 05:38:10 C 17 17 28.01 +40 14 48.8 – u H21
2019-08-03 05:40:21 C 17 17 28.12 +40 14 46.9 – u H21
2019-08-03 05:47:02 C 17 17 28.47 +40 14 41.4 – u H21
2019-08-03 05:51:24 C 17 17 28.69 +40 14 37.8 – u H21
2019-08-05 09:38:10 C 17 20 11.03 +39 32 25.9 – V T05
2019-08-05 09:42:57 C 17 20 11.29 +39 32 21.4 – V T05
2019-08-05 09:51:14 C 17 20 11.71 +39 32 15.0 – V T05
2019-08-08 03:51:07 C 17 23 45.26 +38 37 27.1 – V H21
2019-08-08 04:00:16 C 17 23 45.75 +38 37 19.4 – V H21
2019-08-08 04:09:27 C 17 23 46.25 +38 37 11.8 – V H21
2019-08-08 04:18:36 C 17 23 46.72 +38 37 04.1 – V H21
2019-08-08 04:27:46 C 17 23 47.20 +38 36 56.2 – V H21
2019-08-09 09:01:51 C 17 25 21.607 +38 12 59.60 – U F52
2019-08-09 09:18:37 C 17 25 22.508 +38 12 44.95 – U F52
2019-08-09 09:35:24 C 17 25 23.412 +38 12 30.67 – U F52
2019-08-09 09:41:41 C 17 25 23.745 +38 12 25.49 – U F51
2019-08-09 09:52:12 C 17 25 24.312 +38 12 16.41 – U F52
2019-08-09 09:54:45 C 17 25 24.437 +38 12 14.27 – U F51
2019-08-10 03:21:22 C 17 26 23.07 +37 57 29.6 – u H21
2019-08-10 03:30:12 C 17 26 23.54 +37 57 22.2 – u H21
2019-08-10 03:41:05 C 17 26 24.11 +37 57 12.8 – u H21
2019-08-10 03:54:09 C 17 26 24.80 +37 57 01.8 – u H21
2019-08-10 04:06:30 C 17 26 25.50 +37 56 51.2 – u H21