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
2019-06-03 06:08:18 C 16 31 39.15 +47 59 58.2 – u H21
2019-06-03 06:14:49 C 16 31 39.24 +48 00 02.5 – u H21
2019-06-03 06:14:49 C 16 31 39.99 +48 00 04.1 – U I41
2019-06-03 06:44:11 C 16 31 40.38 +48 00 24.1 – U I41
2019-06-03 07:20:11 C 16 31 40.87 +48 00 48.1 – U I41
2019-06-03 07:48:57 C 16 31 41.26 +48 01 07.1 – U I41
2019-06-03 08:09:59 C 16 31 41.54 +48 01 20.9 – U I41
2019-06-03 08:31:31 C 16 31 41.64 +48 01 34.4 – V 703
2019-06-03 08:39:13 C 16 31 41.78 +48 01 39.5 – V 703
2019-06-03 08:46:54 C 16 31 41.87 +48 01 44.6 – V 703
2019-06-03 08:54:35 C 16 31 42.00 +48 01 49.5 – V 703
2019-06-03 23:15:10 C 16 32 00.31 +48 11 00.5 – o Z22
2019-06-03 23:22:30 C 16 32 00.42 +48 11 05.5 – o Z22
2019-06-04 00:27:46 C 16 32 01.19 +48 11 45.5 – o Z22
2019-06-04 00:31:22 C 16 32 01.27 +48 11 48.0 – o Z22
2019-06-04 00:34:55 C 16 32 01.35 +48 11 50.1 – o Z22
2019-06-04 01:34:12 C 16 32 02.11 +48 12 26.5 – o Z22
2019-06-05 07:46:31 C 16 32 37.60 +48 29 46.4 – V 654
2019-06-05 09:15:11 C 16 32 38.78 +48 30 32.8 – V 654
2019-06-05 10:07:18 C 16 32 39.51 +48 30 59.2 – V 654
2019-06-06 06:48:19 C 16 33 04.47 +48 41 30.4 – V 654
2019-06-06 06:54:38 C 16 33 04.55 +48 41 33.9 – U I41
2019-06-06 08:16:08 C 16 33 05.61 +48 42 12.5 – V 654
2019-06-06 08:19:15 C 16 33 05.64 +48 42 14.3 – U I41
2019-06-06 08:43:16 C 16 33 05.95 +48 42 25.5 – U I41
2019-06-06 08:45:16 C 16 33 05.98 +48 42 26.5 – U I41
2019-06-06 09:19:51 C 16 33 06.46 +48 42 41.9 – V 654
2019-06-07 00:08:42 C 16 33 24.28 +48 49 33.2 – o Z22
2019-06-07 00:13:00 C 16 33 24.34 +48 49 35.2 – o Z22
2019-06-07 00:17:11 C 16 33 24.35 +48 49 36.5 – o Z22
2019-06-07 00:59:37 C 16 33 24.89 +48 49 56.2 – o Z22
2019-06-07 01:03:50 C 16 33 24.98 +48 49 57.8 – o Z22
2019-06-07 01:08:04 C 16 33 25.01 +48 49 59.2 – o Z22
2019-06-07 07:31:24 C 16 33 32.43 +48 52 44.1 – V 654
2019-06-07 07:37:11 C 16 33 32.50 +48 52 46.6 – V 654
2019-06-08 02:09:17 C 16 33 53.05 +49 00 19.0 – o Z22
2019-06-08 02:13:10 C 16 33 53.08 +49 00 20.0 – o Z22
2019-06-08 02:21:42 C 16 33 53.21 +49 00 23.8 – o Z22
2019-06-08 03:08:53 C 16 33 53.84 +49 00 41.7 – o Z22
2019-06-08 03:13:13 C 16 33 53.86 +49 00 42.3 – o Z22
2019-06-08 03:17:53 C 16 33 54.00 +49 00 44.5 – o Z22
2019-06-08 03:35:03 C 16 33 54.20 +49 00 50.1 – q G40
2019-06-08 03:38:38 C 16 33 54.27 +49 00 51.1 – q G40
2019-06-08 03:44:27 C 16 33 54.36 +49 00 53.0 – q G40
2019-06-08 03:52:37 C 16 33 54.50 +49 00 56.3 – q G40
2019-06-08 09:56:56 C 16 34 02.49 +49 03 19.1 – V T08
2019-06-08 10:01:37 C 16 34 02.52 +49 03 21.0 – V T08
2019-06-08 10:09:47 C 16 34 02.63 +49 03 23.6 – V T08
2019-06-08 10:30:04 C 16 34 02.85 +49 03 31.0 – V T08
2019-06-08 22:21:09 C 16 34 16.73 +49 07 36.3 – V A17