2020 HK4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5588914665 ± 1.55e-07
Semi-major axis (a)2.8445977811 AU ± 1.59e-07
Inclination (i)8.56618105° ± 9.14e-06
Long. of Asc. Node (Ω)187.74621680° ± 1.90e-05
Arg. of Perihelion (ω)105.55535916° ± 4.62e-05
Mean Anomaly (M)29.57045981° ± 3.49e-06
Mean Motion (n)0.2054380933°/day ± 1.73e-08
Perihelion dist (q)1.25477636 AU ± 4.47e-07
Aphelion dist (Q)4.43441921 AU ± 5.07e-07
Orbital Period4.79768025 yr ± 4.03e-07
Physical Parameters
H (abs. magnitude)20.24
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.131″
Uncertainty0
Orbit TypeAmor
MOID0.286346 AU
Observations Used95
Oppositions4
Arc Total2020-2025
First Observation Used2020-04-19
Last Observation Used2025-10-02
Observations (101)
Date Type RA Dec Mag Band Observatory
2020-04-19 08:30:09 C 12 57 16.338 -01 38 29.52 U F51
2020-04-19 09:09:09 C 12 57 14.573 -01 38 07.63 U F51
2020-04-19 09:28:40 C 12 57 13.696 -01 37 57.21 U F51
2020-04-19 10:38:28 C 12 57 10.523 -01 37 18.71 V F52
2020-04-19 10:54:28 C 12 57 09.736 -01 37 09.47 V F52
2020-04-19 11:10:28 C 12 57 09.069 -01 37 00.88 V F52
2020-04-19 11:26:25 C 12 57 08.358 -01 36 52.06 V F52
2020-04-20 07:34:36 C 12 56 16.895 -01 25 46.43 V F51
2020-04-20 07:51:38 C 12 56 16.123 -01 25 36.99 V F51
2020-04-20 08:08:38 C 12 56 15.358 -01 25 27.63 V F51
2020-04-22 03:57:39 C 12 54 23.20 -01 01 29.6 u H21
2020-04-22 04:13:25 C 12 54 22.51 -01 01 21.1 u H21
2020-04-22 04:31:14 C 12 54 21.72 -01 01 11.5 u H21
2020-04-22 04:35:36 C 12 54 21.49 -01 01 09.0 u H21
2020-04-22 07:06:40 C 12 54 15.403 -00 59 44.30 U F51
2020-04-22 07:24:46 C 12 54 14.613 -00 59 34.57 U F51
2020-04-22 07:42:47 C 12 54 13.800 -00 59 24.64 U F51
2025-05-30 00:42:23 B 20 28 36.024 +04 24 31.18 W 204
2025-06-30 11:15:04 C 22 05 19.463 +15 47 26.46 X F52
2025-06-30 11:30:55 C 22 05 21.204 +15 47 36.11 X F52
2025-06-30 12:02:39 C 22 05 24.670 +15 47 55.17 X F52
2025-07-05 11:35:57 C 22 18 38.795 +16 50 15.14 X F52
2025-07-05 11:55:25 C 22 18 40.774 +16 50 24.11 X F52
2025-07-05 12:14:53 C 22 18 42.750 +16 50 33.01 X F52
2025-07-05 12:34:25 C 22 18 44.730 +16 50 42.22 X F52
2025-07-09 11:35:01 C 22 28 35.352 +17 28 09.18 X F51
2025-07-09 11:48:21 C 22 28 36.598 +17 28 13.63 X F51
2025-07-09 12:01:45 C 22 28 37.877 +17 28 18.44 X F51
2025-07-09 12:15:17 C 22 28 39.182 +17 28 22.94 X F51
2025-07-24 11:05:23 C 22 59 14.905 +18 08 38.97 X F52
2025-07-24 11:22:43 C 22 59 16.015 +18 08 37.36 X F52
2025-07-24 11:40:03 C 22 59 17.106 +18 08 35.49 X F52
2025-07-24 11:57:22 C 22 59 18.197 +18 08 33.61 X F52
2025-07-31 10:51:59 C 23 09 28.992 +17 31 06.11 X F52
2025-07-31 11:10:20 C 23 09 29.874 +17 31 00.26 X F52
2025-07-31 11:12:10 C 23 09 29.947 +17 30 59.76 X F52
2025-07-31 11:28:34 C 23 09 30.725 +17 30 54.63 X F52
2025-07-31 11:30:23 C 23 09 30.815 +17 30 53.72 X F52
2025-07-31 11:46:53 C 23 09 31.589 +17 30 48.63 X F52
2025-07-31 11:48:44 C 23 09 31.678 +17 30 48.01 X F52
2025-08-05 09:33:59 C 23 15 06.517 +16 43 30.21 X F52
2025-08-05 09:45:58 C 23 15 06.935 +16 43 24.67 X F52
2025-08-05 09:58:01 C 23 15 07.397 +16 43 19.16 X F52
2025-08-06 10:28:21 C 23 16 06.945 +16 31 25.76 X F51
2025-08-06 10:38:52 C 23 16 07.298 +16 31 20.56 X F51
2025-08-06 10:49:23 C 23 16 07.661 +16 31 15.56 X F51
2025-08-06 10:59:55 C 23 16 08.021 +16 31 10.20 X F51
2025-08-08 22:07:45 B 23 18 18.37 +15 59 29.0 X M45
2025-08-08 22:16:24 B 23 18 18.58 +15 59 24.6 X M45
2025-08-09 10:20:50 C 23 18 43.068 +15 52 38.52 X F51