2020 HS9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7087853331 ± 4.67e-04
Semi-major axis (a)2.5852083077 AU ± 3.66e-03
Inclination (i)5.50730567° ± 5.75e-03
Long. of Asc. Node (Ω)221.79669416° ± 3.10e-04
Arg. of Perihelion (ω)70.53168970° ± 4.09e-03
Mean Anomaly (M)111.84045538° ± 1.04e+00
Mean Motion (n)0.2371204234°/day ± 5.03e-04
Perihelion dist (q)0.75285058 AU ± 1.61e-03
Aphelion dist (Q)4.41756604 AU ± 6.37e-03
Orbital Period4.15664863 yr ± 8.82e-03
Physical Parameters
H (abs. magnitude)25.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.297″
Uncertainty4
Orbit TypeApollo
MOID0.005535 AU
Observations Used32
Oppositions1
Arc Total2020-2020
First Observation Used2020-04-20
Last Observation Used2020-05-01
Observations (32)
Date Type RA Dec Mag Band Observatory
2020-04-20 10:26:44 C 13 32 58.857 -18 52 45.12 V F52
2020-04-20 10:40:52 C 13 32 58.012 -18 52 39.11 V F52
2020-04-30 03:09:28 C 13 06 45.55 -13 43 00.6 V G96
2020-04-30 03:17:49 C 13 06 42.81 -13 42 29.6 V G96
2020-04-30 03:26:12 C 13 06 40.02 -13 41 57.6 V G96
2020-04-30 03:34:33 C 13 06 37.24 -13 41 25.9 V G96
2020-04-30 04:13:32 C 13 06 24.14 -13 38 56.3 V I52
2020-04-30 04:14:23 C 13 06 23.90 -13 38 53.3 V I52
2020-04-30 04:15:14 C 13 06 23.58 -13 38 50.2 V I52
2020-04-30 04:16:05 C 13 06 23.31 -13 38 46.4 V I52
2020-04-30 05:15:57 C 13 06 02.65 -13 34 51.8 V I52
2020-04-30 05:16:47 C 13 06 02.42 -13 34 48.3 V I52
2020-04-30 05:18:30 C 13 06 01.80 -13 34 41.7 V I52
2020-04-30 05:31:58 C 13 05 54.74 -13 33 59.1 q H36
2020-04-30 05:53:04 C 13 05 47.43 -13 32 33.8 q H36
2020-04-30 06:07:09 C 13 05 42.56 -13 31 36.1 q H36
2020-04-30 08:10:20 C 13 05 00.94 -13 22 53.5 V I52
2020-04-30 08:11:33 C 13 05 00.48 -13 22 48.2 V I52
2020-04-30 08:12:45 C 13 05 00.01 -13 22 43.6 V I52
2020-04-30 09:25:03 C 13 04 45.61 -13 14 17.5 V 474
2020-04-30 09:27:40 C 13 04 44.67 -13 14 05.8 V 474
2020-04-30 09:34:04 C 13 04 42.36 -13 13 39.4 V 474
2020-04-30 09:36:41 C 13 04 41.38 -13 13 28.0 V 474
2020-04-30 09:39:34 C 13 04 40.36 -13 13 15.8 V 474
2020-05-01 02:58:11 C 12 58 08.60 -11 50 19.7 q H36
2020-05-01 03:05:36 C 12 58 05.00 -11 49 36.6 q H36
2020-05-01 03:13:57 C 12 58 01.00 -11 48 48.2 q H36
2020-05-01 03:21:52 C 12 57 57.22 -11 48 01.9 q H36
2020-05-01 04:17:11 C 12 57 33.27 -11 42 20.3 V G96
2020-05-01 04:17:46 C 12 57 32.99 -11 42 16.2 V G96
2020-05-01 04:18:21 C 12 57 32.73 -11 42 13.0 V G96
2020-05-01 04:18:56 C 12 57 32.43 -11 42 09.9 V G96