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
2019-06-03 08:53:45 C 11 17 24.66 -28 33 16.6 V 474
2019-06-03 08:58:28 C 11 17 22.78 -28 33 30.8 V 474
2019-06-03 09:03:13 C 11 17 20.98 -28 33 48.2 V 474
2019-06-08 23:31:42 C 10 30 01.67 -34 16 18.8 u 807
2019-06-08 23:37:10 C 10 29 59.90 -34 16 29.3 u 807
2019-06-08 23:42:38 C 10 29 58.16 -34 16 40.1 u 807
2019-10-29 15:18:33 C 07 54 31.521 +21 39 27.01 V T12
2019-11-01 15:35:22 C 07 56 14.662 +25 59 28.04 V T12
2019-11-04 12:38:14 C 07 57 30.07 +30 19 29.2 V G96
2019-11-04 12:39:19 C 07 57 30.07 +30 19 33.2 V G96
2019-11-04 12:40:25 C 07 57 30.07 +30 19 37.1 V G96
2019-11-04 12:41:30 C 07 57 30.08 +30 19 41.9 V G96