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
2025-08-09 10:35:51 C 23 18 43.481 +15 52 30.22 X F51
2025-08-09 10:50:51 C 23 18 43.901 +15 52 21.60 X F51
2025-08-09 11:05:55 C 23 18 44.322 +15 52 12.77 X F51
2025-08-16 14:09:24 C 23 23 05.302 +13 58 11.31 X F51
2025-08-16 14:35:40 C 23 23 05.681 +13 57 51.55 X F51
2025-08-16 14:49:03 C 23 23 05.849 +13 57 41.33 X F51
2025-08-17 19:30:15 C 23 23 36.06 +13 35 47.7 V D29
2025-08-17 19:50:37 C 23 23 36.23 +13 35 32.3 V D29
2025-08-17 20:10:59 C 23 23 36.48 +13 35 16.2 V D29
2025-08-19 19:22:47 C 23 24 17.58 +12 57 51.2 V D29
2025-08-19 20:06:29 C 23 24 17.94 +12 57 15.7 V D29
2025-08-22 16:44:52 C 23 25 01.63 +11 59 52.2 V D29
2025-08-22 17:05:14 C 23 25 01.69 +11 59 34.8 V D29
2025-08-22 17:25:35 C 23 25 01.76 +11 59 17.2 V D29
2025-08-24 10:08:13 C 23 25 19.156 +11 23 51.64 X F52
2025-08-24 10:24:11 C 23 25 19.167 +11 23 37.56 X F52
2025-08-24 10:40:09 C 23 25 19.168 +11 23 23.58 X F52
2025-08-28 15:40:58 C 23 25 38.27 +09 51 44.0 V D29
2025-08-28 16:01:20 C 23 25 38.18 +09 51 25.2 V D29
2025-08-28 16:21:42 C 23 25 38.10 +09 51 06.5 V D29
2025-09-02 09:36:24 C 23 25 29.743 +08 04 54.84 X F51
2025-09-02 09:55:19 C 23 25 29.592 +08 04 37.08 X F51
2025-09-02 10:33:21 C 23 25 29.284 +08 04 01.18 X F51
2025-09-13 08:26:27 C 23 24 10.512 +04 01 24.17 V V00
2025-09-13 08:34:30 C 23 24 10.436 +04 01 17.00 V V00
2025-09-13 08:42:33 C 23 24 10.357 +04 01 09.95 V V00
2025-09-13 08:50:35 C 23 24 10.285 +04 01 02.71 V V00
2025-09-15 13:57:29 C 23 23 53.74 +03 14 45.2 V D29
2025-09-15 14:08:56 C 23 23 53.67 +03 14 35.5 V D29
2025-09-15 14:17:50 C 23 23 53.57 +03 14 27.5 V D29
2025-09-15 14:29:18 C 23 23 53.46 +03 14 17.6 V D29
2025-09-15 14:38:12 C 23 23 53.39 +03 14 10.3 V D29
2025-09-15 14:49:39 C 23 23 53.29 +03 14 00.4 V D29
2025-09-16 15:07:16 C 23 23 45.78 +02 53 21.0 V D29
2025-09-16 15:27:38 C 23 23 45.55 +02 53 04.6 V D29
2025-09-17 09:26:17 C 23 23 40.514 +02 38 03.61 X F51
2025-09-17 09:43:40 C 23 23 40.359 +02 37 49.13 X F51
2025-09-17 10:01:08 C 23 23 40.193 +02 37 34.57 X F51
2025-09-17 10:18:35 C 23 23 40.036 +02 37 20.09 X F51
2025-09-23 05:33:52 C 23 23 12.527 +00 47 57.59 V G96
2025-09-23 05:43:22 C 23 23 12.466 +00 47 50.64 V G96
2025-09-23 05:52:41 C 23 23 12.412 +00 47 44.27 V G96
2025-09-23 06:00:04 C 23 23 12.376 +00 47 38.36 V G96
2025-10-02 04:24:01 C 23 23 32.960 -01 31 19.70 V G96
2025-10-02 04:32:07 C 23 23 32.932 -01 31 25.79 V G96
2025-10-02 04:40:11 C 23 23 32.986 -01 31 29.46 V G96
2025-10-02 04:48:16 C 23 23 33.083 -01 31 33.71 V G96
2025-10-02 08:24:34 C 23 23 34.109 -01 33 32.25 X F51
2025-10-02 08:39:16 C 23 23 34.128 -01 33 40.45 X F51
2025-10-02 08:53:58 C 23 23 34.154 -01 33 48.55 X F51