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
2019-05-05 07:19:24 C 15 55 01.93 +19 47 24.2 V I52
2019-05-05 07:21:25 C 15 55 01.48 +19 47 21.5 V I52
2019-05-05 07:23:25 C 15 55 01.02 +19 47 18.7 V I52
2019-05-05 07:27:24 C 15 55 00.17 +19 47 11.9 V I52
2019-05-06 09:45:39 C 15 49 13.91 +19 03 21.7 V I52
2019-05-06 09:49:51 C 15 49 12.95 +19 03 14.9 V I52
2019-05-06 09:50:27 C 15 49 12.83 +19 03 13.3 V I52
2019-05-06 09:53:45 C 15 49 12.06 +19 03 07.7 V I52
2019-05-07 08:26:41 C 15 43 58.105 +18 21 21.95 U F51
2019-05-07 08:45:11 C 15 43 53.514 +18 20 46.43 U F51
2019-05-07 09:03:40 C 15 43 48.911 +18 20 10.80 U F51
2019-05-07 09:22:01 C 15 43 44.328 +18 19 35.29 U F51
2019-05-08 11:15:38 C 15 37 13.57 +17 25 52.6 V I52
2019-05-08 11:20:15 C 15 37 12.32 +17 25 43.0 V I52
2019-05-08 11:20:36 C 15 37 12.29 +17 25 42.0 V I52
2019-05-08 11:20:56 C 15 37 12.17 +17 25 40.3 V I52
2019-05-09 08:31:04 C 15 31 35.87 +16 37 19.7 V G96
2019-05-09 08:39:14 C 15 31 33.56 +16 37 00.3 V G96
2019-05-09 08:47:24 C 15 31 31.25 +16 36 40.5 V G96
2019-05-09 08:55:34 C 15 31 28.95 +16 36 20.9 V G96
2019-05-12 22:04:15 C 15 05 36.53 +12 33 07.1 q A17
2019-05-12 22:21:10 C 15 05 30.72 +12 32 10.5 q A17
2019-05-12 22:38:07 C 15 05 24.92 +12 31 13.9 q A17
2019-05-13 21:14:03 C 14 57 38.07 +11 12 09.6 V C95
2019-05-13 21:25:09 C 14 57 33.97 +11 11 29.9 V C95
2019-05-13 21:36:15 C 14 57 30.00 +11 10 49.1 V C95
2019-05-14 06:18:48 C 14 54 23.03 +10 38 39.6 V 703
2019-05-14 06:26:28 C 14 54 20.03 +10 38 11.9 V 703
2019-05-14 06:34:11 C 14 54 17.23 +10 37 43.1 V 703
2019-05-14 06:39:35 C 14 54 15.23 +10 37 23.4 o 691
2019-05-14 06:41:56 C 14 54 14.35 +10 37 14.5 V 703
2019-05-14 06:53:32 C 14 54 10.00 +10 36 30.4 o 691
2019-05-14 07:07:29 C 14 54 04.89 +10 35 38.3 o 691
2019-05-15 04:35:38 C 14 46 10.69 +09 11 38.5 o 291
2019-05-15 04:39:44 C 14 46 09.11 +09 11 22.0 o 291
2019-05-21 06:22:45 C 13 43 47.556 -02 46 29.98 U F51
2019-05-21 06:55:04 C 13 43 31.929 -02 49 32.24 U F51
2019-05-21 07:12:19 C 13 43 23.586 -02 51 09.23 U F51
2019-05-23 03:33:45 C 13 22 07.23 -07 05 14.4 u H21
2019-05-23 03:33:48 C 13 22 06.34 -07 04 18.3 u 807
2019-05-23 03:36:21 C 13 22 05.07 -07 04 33.3 u 807
2019-05-23 03:38:55 C 13 22 03.77 -07 04 47.9 u 807
2019-05-23 03:41:29 C 13 22 02.52 -07 05 03.2 u 807
2019-05-23 03:42:20 C 13 22 02.96 -07 06 03.9 u H21
2019-05-23 03:51:39 C 13 21 58.36 -07 06 58.1 u H21
2019-05-24 03:48:35 C 13 10 17.60 -09 25 11.5 o 691
2019-05-24 04:00:46 C 13 10 11.48 -09 26 21.7 o 691
2019-05-26 04:40:14 C 12 46 16.61 -14 01 56.5 o 691
2019-05-26 05:13:40 C 12 45 59.83 -14 05 00.7 o 691
2019-05-26 05:47:02 C 12 45 43.06 -14 08 04.4 o 691