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
2019-05-01 00:24:07 C 15 57 59.02 +08 14 17.2 – V K87
2019-05-01 00:29:56 C 15 57 59.45 +08 14 58.0 – V K87
2019-05-01 00:35:45 C 15 57 59.87 +08 15 38.3 – V K87
2019-05-01 00:41:34 C 15 58 00.31 +08 16 19.0 – V K87
2019-05-01 00:47:23 C 15 58 00.74 +08 16 59.7 – V K87
2019-05-01 00:49:58 C 15 58 01.05 +08 17 21.4 – d B66
2019-05-01 01:37:51 C 15 58 03.72 +08 22 54.0 – V 094
2019-05-01 01:38:34 C 15 58 03.78 +08 22 59.0 – V 094
2019-05-01 01:39:17 C 15 58 03.84 +08 23 04.0 – V 094
2019-05-01 01:39:58 C 15 58 03.88 +08 23 08.8 – V 094
2019-05-01 01:47:17 C 15 58 05.22 +08 24 00.9 – d B66
2019-05-01 02:33:44 C 15 58 08.62 +08 29 24.0 – d B66
2019-05-01 10:35:34 C 15 58 47.41 +09 25 02.8 – V I52
2019-05-01 10:36:25 C 15 58 47.47 +09 25 08.6 – V I52
2019-05-01 10:37:17 C 15 58 47.54 +09 25 14.5 – V I52
2019-05-01 10:39:19 C 15 58 47.68 +09 25 28.6 – V I52
2019-05-01 17:23:24 C 15 59 21.19 +10 12 12.8 – q 323
2019-05-01 17:28:22 C 15 59 21.55 +10 12 45.2 – q 323
2019-05-01 18:04:39 C 15 59 26.23 +10 16 12.5 – q C97
2019-05-01 18:06:50 C 15 59 26.37 +10 16 27.0 – q C97
2019-05-01 18:09:01 C 15 59 26.51 +10 16 40.9 – q C97
2019-05-01 18:15:33 C 15 59 27.01 +10 17 27.1 – q C97
2019-05-01 18:17:04 C 15 59 27.14 +10 17 36.3 – q C97
2019-05-01 18:18:36 C 15 59 27.22 +10 17 47.8 – q C97
2019-05-01 18:20:07 C 15 59 27.38 +10 17 57.4 – q C97
2019-05-01 18:21:23 C 15 59 25.23 +10 18 46.1 – q 323
2019-05-01 18:21:38 C 15 59 27.51 +10 18 09.0 – q C97
2019-05-01 18:28:09 C 15 59 25.68 +10 19 30.1 – q 323
2019-05-01 18:46:56 C 15 59 26.99 +10 21 39.2 – q 323
2019-05-01 18:53:59 C 15 59 27.50 +10 22 25.8 – q 323
2019-05-01 22:19:40 C 15 59 45.53 +10 44 44.5 – c A53
2019-05-01 22:25:45 C 15 59 45.97 +10 45 25.4 – c A53
2019-05-01 22:33:59 C 15 59 46.57 +10 46 20.9 – c A53
2019-05-01 22:34:35 C 15 59 46.62 +10 46 25.6 – q 160
2019-05-01 22:37:36 C 15 59 46.85 +10 46 45.9 – q 160
2019-05-01 22:40:33 C 15 59 47.05 +10 47 05.7 – q 160
2019-05-01 22:42:13 C 15 59 47.16 +10 47 16.2 – c A53
2019-05-01 22:49:03 C 15 59 46.90 +10 48 02.9 – V 094
2019-05-01 22:49:26 C 15 59 46.93 +10 48 05.4 – V 094
2019-05-01 22:49:47 C 15 59 46.95 +10 48 07.7 – V 094
2019-05-01 22:50:07 C 15 59 46.98 +10 48 10.3 – V 094
2019-05-01 22:50:27 C 15 59 47.75 +10 48 11.8 – c A53
2019-05-02 00:47:15 C 15 59 55.99 +11 01 13.7 – V K87
2019-05-02 00:55:46 C 15 59 56.59 +11 02 10.8 – V K87
2019-05-02 01:03:00 C 15 59 57.10 +11 02 59.1 – V K87
2019-05-02 11:46:35 C 16 00 47.13 +12 14 28.1 – V T08
2019-05-02 11:53:44 C 16 00 47.61 +12 15 15.1 – V T08
2019-05-02 12:14:07 C 16 00 48.94 +12 17 28.9 – V T08
2019-05-02 12:26:46 C 16 00 49.77 +12 18 51.9 – V T08
2019-05-02 14:51:57 C 16 01 02.88 +12 35 14.9 – q 323