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
2019-04-27 10:23:38 C 16 25 46.26 +23 05 28.2 – V G96
2019-04-27 10:31:03 C 16 25 45.29 +23 05 23.4 – V G96
2019-04-27 10:38:29 C 16 25 44.35 +23 05 18.5 – V G96
2019-04-27 10:45:55 C 16 25 43.39 +23 05 14.0 – V G96
2019-04-27 23:32:10 C 16 24 09.30 +22 56 38.5 – V L01
2019-04-27 23:34:26 C 16 24 09.01 +22 56 37.0 – V L01
2019-04-27 23:41:15 C 16 24 08.07 +22 56 29.6 – V L01
2019-04-28 04:49:28 C 16 23 29.81 +22 52 57.1 – V H01
2019-04-28 04:55:51 C 16 23 28.97 +22 52 52.7 – V H01
2019-04-28 05:08:46 C 16 23 27.27 +22 52 44.1 – V H01
2019-04-28 05:24:46 C 16 23 25.15 +22 52 33.1 – V H01
2019-04-28 09:26:16 C 16 22 52.65 +22 49 44.6 – V I52
2019-04-28 09:28:41 C 16 22 52.31 +22 49 42.9 – V I52
2019-04-28 09:31:05 C 16 22 51.98 +22 49 40.9 – V I52
2019-04-28 09:33:29 C 16 22 51.66 +22 49 39.4 – V I52
2019-04-29 05:09:39 C 16 20 15.10 +22 34 42.2 – V H01
2019-04-29 05:16:38 C 16 20 14.12 +22 34 36.8 – V H01
2019-04-29 05:31:01 C 16 20 12.06 +22 34 25.8 – V H01
2019-04-29 05:40:38 C 16 20 10.70 +22 34 18.3 – V H01
2019-04-29 06:30:23 C 16 20 03.74 +22 33 40.3 – V I52
2019-04-29 06:32:11 C 16 20 03.37 +22 33 39.1 – V I52
2019-04-29 06:35:06 C 16 20 02.96 +22 33 36.1 – V I52
2019-04-29 06:36:53 C 16 20 02.71 +22 33 35.1 – V I52
2019-04-29 06:40:25 C 16 20 02.19 +22 33 25.5 – L 658
2019-04-29 06:41:49 C 16 20 01.99 +22 33 24.4 – L 658
2019-04-29 06:43:12 C 16 20 01.80 +22 33 23.2 – L 658
2019-04-29 06:44:35 C 16 20 01.60 +22 33 22.1 – L 658
2019-04-29 06:46:02 C 16 20 01.41 +22 33 21.0 – L 658
2019-04-29 06:47:26 C 16 20 01.21 +22 33 19.9 – L 658
2019-04-29 06:48:49 C 16 20 01.02 +22 33 18.7 – L 658
2019-04-29 20:45:46 C 16 18 02.59 +22 21 41.8 – V 587
2019-04-29 20:53:20 C 16 18 01.46 +22 21 35.6 – V 587
2019-04-29 20:56:23 C 16 18 00.99 +22 21 33.0 – V 587
2019-04-29 22:15:19 C 16 17 49.38 +22 20 27.7 – q I93
2019-04-29 22:31:26 C 16 17 46.97 +22 20 13.1 – q I93
2019-04-29 22:31:41 C 16 17 46.51 +22 20 14.2 – o K88
2019-04-29 22:42:20 C 16 17 45.37 +22 20 02.1 – q I93
2019-04-29 22:47:07 C 16 17 44.23 +22 20 01.5 – o K88
2019-04-29 22:59:19 C 16 17 42.55 +22 19 48.7 – V 033
2019-04-29 23:04:26 C 16 17 41.71 +22 19 44.2 – V 033
2019-04-29 23:09:47 C 16 17 40.89 +22 19 39.5 – V 033
2019-04-29 23:14:55 C 16 17 40.16 +22 19 35.3 – V 033
2019-04-30 00:57:31 C 16 17 24.60 +22 18 06.3 – V 033
2019-04-30 01:02:36 C 16 17 23.86 +22 18 02.0 – V 033
2019-04-30 01:07:40 C 16 17 23.10 +22 17 57.6 – V 033
2019-04-30 01:49:16 C 16 17 17.06 +22 17 20.7 – V J95
2019-04-30 02:06:21 C 16 17 14.40 +22 17 05.4 – V J95
2019-04-30 02:23:43 C 16 17 11.79 +22 16 50.8 – V J95
2019-04-30 06:46:30 C 16 16 33.87 +22 12 56.1 – L 658
2019-04-30 06:49:09 C 16 16 33.46 +22 12 53.8 – L 658