2020 HF4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0242402251 ± 2.99e-06
Semi-major axis (a)1.0178097476 AU ± 1.73e-06
Inclination (i)4.82791114° ± 5.13e-03
Long. of Asc. Node (Ω)38.79451334° ± 4.49e-03
Arg. of Perihelion (ω)31.30419285° ± 1.00e-02
Mean Anomaly (M)300.78839324° ± 2.49e-02
Mean Motion (n)0.9598698875°/day ± 2.45e-06
Perihelion dist (q)0.99313781 AU ± 3.49e-06
Aphelion dist (Q)1.04248168 AU ± 3.53e-06
Orbital Period1.02683322 yr ± 2.62e-06
Physical Parameters
H (abs. magnitude)27.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.463″
Uncertainty2
Orbit TypeApollo
MOID0.002703 AU
Observations Used32
Oppositions1
Arc Total2020-2020
First Observation Used2020-04-18
Last Observation Used2020-04-30
Observations (32)
Date Type RA Dec Mag Band Observatory
2020-04-18 11:00:07 C 16 14 39.804 +11 03 03.04 U F52
2020-04-18 11:17:16 C 16 14 36.318 +11 01 47.99 U F52
2020-04-18 11:34:27 C 16 14 32.807 +11 00 32.14 U F52
2020-04-22 12:30:18 C 15 59 23.694 +02 36 30.75 U F51
2020-04-22 12:48:30 C 15 59 18.843 +02 34 43.44 V F51
2020-04-22 13:07:19 C 15 59 13.802 +02 32 51.88 U F51
2020-04-22 13:25:30 C 15 59 08.873 +02 31 02.10 V F51
2020-04-22 23:41:03 C 15 57 35.783 +01 28 18.44 V J04
2020-04-22 23:47:55 C 15 57 34.092 +01 27 36.44 V J04
2020-04-23 01:18:24 C 15 57 01.91 +01 16 41.5 V 033
2020-04-23 01:20:39 C 15 57 01.36 +01 16 27.6 V 033
2020-04-23 01:22:53 C 15 57 00.81 +01 16 14.2 V 033
2020-04-23 01:40:01 C 15 56 55.75 +01 14 51.0 V L01
2020-04-23 01:42:33 C 15 56 55.17 +01 14 36.4 V L01
2020-04-23 01:45:03 C 15 56 54.46 +01 14 20.5 V L01
2020-04-23 01:47:33 C 15 56 53.83 +01 14 04.4 V L01
2020-04-23 01:50:04 C 15 56 53.25 +01 13 49.8 V L01
2020-04-23 08:02:30 C 15 55 50.06 +00 36 01.2 V 858
2020-04-23 08:17:24 C 15 55 46.00 +00 34 28.1 V 858
2020-04-23 08:32:18 C 15 55 41.95 +00 32 53.9 V 858
2020-04-23 09:40:09 C 15 55 24.85 +00 26 01.6 V G96
2020-04-23 09:47:31 C 15 55 22.83 +00 25 15.3 V G96
2020-04-23 09:54:54 C 15 55 20.81 +00 24 29.2 V G96
2020-04-26 08:51:29 C 15 40 09.76 -07 39 50.8 V G96
2020-04-26 08:58:56 C 15 40 07.32 -07 40 45.7 V G96
2020-04-26 09:13:49 C 15 40 02.47 -07 42 34.6 V G96
2020-04-27 11:32:34 C 15 33 37.610 -10 58 36.34 U F51
2020-04-27 11:49:15 C 15 33 31.598 -11 00 44.64 U F51
2020-04-27 12:05:56 C 15 33 25.613 -11 02 52.31 U F51
2020-04-30 11:21:14 C 15 13 37.534 -20 25 35.19 U F51
2020-04-30 11:38:44 C 15 13 30.282 -20 27 55.61 U F51
2020-04-30 12:14:10 C 15 13 15.773 -20 32 35.43 U F51