IAA RAS IAA Minor Planet Database

2019 HK4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3089248657 ± 3.08e-07
Semi-major axis (a)1.2603612496 AU ± 4.12e-07
Inclination (i)37.99828666° ± 4.18e-05
Long. of Asc. Node (Ω)56.17114121° ± 9.03e-06
Arg. of Perihelion (ω)271.54002933° ± 3.29e-05
Mean Anomaly (M)156.79160931° ± 7.63e-04
Mean Motion (n)0.6965779342°/day ± 3.41e-07
Perihelion dist (q)0.87100432 AU ± 4.81e-07
Aphelion dist (Q)1.64971818 AU ± 6.64e-07
Orbital Period1.41495479 yr ± 6.93e-07
Physical Parameters
H (abs. magnitude)21.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.355″
Uncertainty0
Orbit TypeApollo
MOID0.120708 AU
Observations Used156
Oppositions1
Arc Total2019-2019
First Observation Used2019-04-27
Last Observation Used2019-11-04
Observations (162)
Date Type RA Dec Mag Band Observatory
2019-04-30 06:51:50 C 16 16 33.05 +22 12 51.3 – L 658
2019-04-30 06:54:29 C 16 16 32.64 +22 12 48.9 – L 658
2019-04-30 06:57:08 C 16 16 32.23 +22 12 46.5 – L 658
2019-04-30 06:59:47 C 16 16 31.84 +22 12 44.0 – L 658
2019-04-30 07:02:26 C 16 16 31.44 +22 12 41.4 – L 658
2019-04-30 20:02:24 C 16 14 33.16 +22 00 33.7 – V K41
2019-04-30 20:13:42 C 16 14 31.38 +22 00 22.7 – V K41
2019-04-30 20:28:47 C 16 14 29.07 +22 00 08.9 – V K41
2019-04-30 22:28:51 C 16 14 09.78 +21 58 13.9 – V 033
2019-04-30 22:32:46 C 16 14 09.11 +21 58 10.0 – V 033
2019-04-30 22:36:40 C 16 14 08.49 +21 58 06.2 – V 033
2019-04-30 22:40:42 C 16 14 07.82 +21 58 02.1 – V 033
2019-04-30 22:44:37 C 16 14 07.21 +21 57 58.7 – V 033
2019-04-30 22:48:31 C 16 14 06.62 +21 57 55.1 – V 033
2019-05-01 01:17:21 C 16 13 42.47 +21 55 31.4 – V K87
2019-05-01 01:18:26 C 16 13 42.29 +21 55 30.3 – V K87
2019-05-01 01:19:31 C 16 13 42.11 +21 55 28.7 – V K87
2019-05-01 01:24:55 C 16 13 41.21 +21 55 22.7 – V 033
2019-05-01 01:28:36 C 16 13 40.61 +21 55 19.1 – V 033
2019-05-01 01:32:15 C 16 13 40.05 +21 55 15.8 – V 033
2019-05-01 01:36:07 C 16 13 39.43 +21 55 11.7 – V 033
2019-05-01 02:01:29 C 16 13 35.31 +21 54 49.0 – V 204
2019-05-01 02:17:38 C 16 13 32.63 +21 54 32.6 – V 204
2019-05-01 02:33:50 C 16 13 29.99 +21 54 16.9 – V 204
2019-05-01 06:08:34 C 16 12 57.44 +21 50 46.6 – V I52
2019-05-01 06:09:40 C 16 12 57.19 +21 50 45.6 – V I52
2019-05-01 06:10:46 C 16 12 57.04 +21 50 44.9 – V I52
2019-05-01 06:11:52 C 16 12 56.89 +21 50 44.0 – V I52
2019-05-01 06:50:34 C 16 12 50.55 +21 49 57.9 – L 658
2019-05-01 06:53:09 C 16 12 50.11 +21 49 55.3 – L 658
2019-05-01 06:54:30 C 16 12 49.90 +21 49 54.0 – L 658
2019-05-01 06:55:48 C 16 12 49.69 +21 49 52.7 – L 658
2019-05-01 06:57:05 C 16 12 49.48 +21 49 51.4 – L 658
2019-05-01 22:40:22 C 16 10 14.42 +21 33 23.6 – o K88
2019-05-01 22:48:35 C 16 10 13.00 +21 33 14.9 – o K88
2019-05-01 22:56:48 C 16 10 11.61 +21 33 05.9 – o K88
2019-05-01 23:20:17 C 16 10 07.92 +21 32 38.5 – V J95
2019-05-01 23:29:27 C 16 10 06.35 +21 32 27.9 – V J95
2019-05-01 23:38:32 C 16 10 04.75 +21 32 18.5 – V J95
2019-05-02 01:23:09 C 16 09 46.27 +21 30 24.7 – V K87
2019-05-02 01:23:41 C 16 09 46.19 +21 30 24.3 – V K87
2019-05-02 01:24:14 C 16 09 46.09 +21 30 23.7 – V K87
2019-05-02 07:16:35 C 16 08 46.93 +21 23 57.2 – V I52
2019-05-02 07:17:42 C 16 08 46.75 +21 23 56.7 – V I52
2019-05-02 07:21:46 C 16 08 46.07 +21 23 52.3 – V I52
2019-05-02 07:24:12 C 16 08 45.56 +21 23 49.2 – V I52
2019-05-03 07:11:08 C 16 04 31.65 +20 55 21.2 – V I52
2019-05-03 07:12:14 C 16 04 31.45 +20 55 20.9 – V I52
2019-05-03 07:14:39 C 16 04 31.03 +20 55 17.7 – V I52
2019-05-03 07:15:45 C 16 04 30.80 +20 55 16.5 – V I52