2020 HB9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2911899012 ± 4.31e-04
Semi-major axis (a)1.4331009265 AU ± 9.39e-04
Inclination (i)9.85633597° ± 1.21e-02
Long. of Asc. Node (Ω)51.26712008° ± 2.87e-03
Arg. of Perihelion (ω)120.78095460° ± 1.20e-02
Mean Anomaly (M)112.27623648° ± 1.18e+00
Mean Motion (n)0.5745093631°/day ± 5.65e-04
Perihelion dist (q)1.01579641 AU ± 9.08e-04
Aphelion dist (Q)1.85040544 AU ± 1.36e-03
Orbital Period1.71559655 yr ± 1.69e-03
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.426″
Uncertainty4
Orbit TypeApollo
MOID0.088738 AU
Observations Used32
Oppositions1
Arc Total2020-2020
First Observation Used2020-04-28
Last Observation Used2020-05-12
Observations (32)
Date Type RA Dec Mag Band Observatory
2020-04-28 07:04:29 C 13 57 14.04 +20 05 10.0 V G96
2020-04-28 07:11:55 C 13 57 13.91 +20 04 21.2 V G96
2020-04-28 07:19:20 C 13 57 13.74 +20 03 32.0 V G96
2020-04-28 07:26:47 C 13 57 13.60 +20 02 43.0 V G96
2020-04-28 09:33:37 C 13 57 11.32 +19 48 46.2 V I52
2020-04-28 09:35:40 C 13 57 11.40 +19 48 33.2 V I52
2020-04-28 09:37:44 C 13 57 11.42 +19 48 18.8 V I52
2020-04-28 09:39:47 C 13 57 11.32 +19 48 03.8 V I52
2020-04-29 04:43:52 C 13 57 23.62 +17 44 13.6 V I52
2020-04-29 04:46:25 C 13 57 23.62 +17 43 57.6 V I52
2020-04-29 04:48:58 C 13 57 23.55 +17 43 42.1 V I52
2020-04-30 01:40:33 C 13 57 24.56 +15 30 05.5 V L01
2020-04-30 01:42:27 C 13 57 24.50 +15 29 53.6 V L01
2020-04-30 01:44:19 C 13 57 24.50 +15 29 41.5 V L01
2020-04-30 01:47:09 C 13 57 24.51 +15 29 22.9 V L01
2020-04-30 01:49:03 C 13 57 24.48 +15 29 11.3 V L01
2020-04-30 04:05:39 C 13 57 32.05 +15 15 08.2 V I52
2020-04-30 04:06:52 C 13 57 32.02 +15 15 00.0 V I52
2020-04-30 04:09:16 C 13 57 31.97 +15 14 45.4 V I52
2020-04-30 04:27:19 C 13 57 31.39 +15 12 49.8 V 858
2020-04-30 04:56:15 C 13 57 30.96 +15 09 48.8 V 858
2020-04-30 06:35:39 C 13 57 28.34 +14 59 17.7 q H36
2020-04-30 06:49:52 C 13 57 28.28 +14 57 49.2 q H36
2020-04-30 07:04:05 C 13 57 28.15 +14 56 18.9 q H36
2020-04-30 07:18:16 C 13 57 27.89 +14 54 48.7 q H36
2020-05-02 06:49:50 C 13 57 48.88 +10 04 16.3 V I52
2020-05-02 06:51:40 C 13 57 48.92 +10 04 05.9 V I52
2020-05-02 06:53:29 C 13 57 48.77 +10 03 55.3 V I52
2020-05-12 05:59:37 C 14 00 39.80 -09 15 14.8 V I52
2020-05-12 06:04:30 C 14 00 39.79 -09 15 32.3 V I52
2020-05-12 06:09:22 C 14 00 39.74 -09 15 51.8 V I52
2020-05-12 06:14:14 C 14 00 39.81 -09 16 09.5 V I52