2009 HK73

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2826643740 ± 2.00e+00
Semi-major axis (a)1.2454005685 AU ± 3.00e+00
Inclination (i)5.62823434° ± 4.00e+00
Long. of Asc. Node (Ω)215.86001285° ± 5.00e+00
Arg. of Perihelion (ω)300.51208508° ± 6.00e+00
Mean Anomaly (M)6.17217614° ± 2.17e-02
Mean Motion (n)0.7091536500°/day ± 2.56e+00
Perihelion dist (q)0.89337060 AU ± 3.29e+00
Aphelion dist (Q)1.59743100 AU ± 4.58e+00
Orbital Period1.38983650 yr ± 5.02e+00
Physical Parameters
H (abs. magnitude)26.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.462″
Uncertainty2
Orbit TypeApollo
MOID0.002038 AU
Observations Used45
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-05-21
Observations (45)
Date Type RA Dec Mag Band Observatory
2009-04-29 08:11:12 C 14 47 00.16 +21 41 32.4 r 703
2009-04-29 08:20:43 C 14 47 10.86 +21 38 21.9 r 703
2009-04-29 08:30:18 C 14 47 21.58 +21 35 10.3 r 703
2009-04-29 08:39:45 C 14 47 32.17 +21 32 01.4 r 703
2009-04-29 08:55:02 C 14 47 49.12 +21 26 58.0 r 703
2009-04-29 08:55:38 C 14 47 49.74 +21 26 46.8 r 703
2009-04-29 08:56:11 C 14 47 50.38 +21 26 35.4 r 703
2009-04-29 08:56:39 C 14 47 50.89 +21 26 26.0 r 703
2009-04-29 09:14:23 C 14 48 10.59 +21 20 38.4 c 854
2009-04-29 09:14:53 C 14 48 11.14 +21 20 28.4 c 854
2009-04-29 09:15:52 C 14 48 12.22 +21 20 09.1 c 854
2009-04-29 10:39:44 C 14 49 43.42 +20 53 03.5 r 703
2009-04-29 10:40:18 C 14 49 44.07 +20 52 53.6 r 703
2009-04-29 10:40:53 C 14 49 44.68 +20 52 41.3 r 703
2009-04-29 10:41:27 C 14 49 45.33 +20 52 31.0 r 703
2009-04-29 13:48:28 C 14 54 28.93 +19 59 18.7 r 900
2009-04-29 13:52:04 C 14 54 32.11 +19 58 21.6 r 900
2009-04-29 13:55:39 C 14 54 35.19 +19 57 24.8 r 900
2009-04-29 14:01:17 C 14 54 40.12 +19 55 55.9 r 900
2009-04-29 14:04:53 C 14 54 43.23 +19 54 59.3 r 900
2009-04-29 14:08:30 C 14 54 46.37 +19 54 02.3 r 900
2009-04-29 14:32:14 C 14 55 08.88 +19 47 55.0 o 300
2009-04-29 14:33:42 C 14 55 10.10 +19 47 31.4 o 300
2009-04-29 14:36:44 C 14 55 12.68 +19 46 44.4 o 300
2009-04-29 14:38:14 C 14 55 13.97 +19 46 21.1 o 300
2009-04-29 14:47:16 C 14 55 06.76 +19 59 56.8 r E12
2009-04-29 14:49:49 C 14 55 08.86 +19 59 15.9 r E12
2009-04-29 14:52:21 C 14 55 10.96 +19 58 35.4 r E12
2009-04-29 14:54:55 C 14 55 13.07 +19 57 53.8 r E12
2009-04-30 21:02:06 C 15 15 42.37 +14 30 42.4 r A81
2009-04-30 21:09:20 C 15 15 44.60 +14 29 57.4 r A81
2009-05-01 00:51:28 C 15 16 47.84 +14 06 01.4 v 204
2009-05-01 00:55:08 C 15 16 48.81 +14 05 38.2 v 204
2009-05-01 22:21:27 C 15 23 33.61 +12 19 07.0 c 587
2009-05-01 22:39:56 C 15 23 36.43 +12 17 55.9 c 587
2009-05-01 22:42:04 C 15 23 36.80 +12 17 47.7 c 587
2009-05-01 22:46:24 C 15 23 37.39 +12 17 31.0 c 587
2009-05-02 21:45:38 C 15 28 11.04 +11 01 05.7 r A13
2009-05-02 22:27:46 C 15 28 15.02 +10 59 14.8 r A13
2009-05-15 04:48:13 C 15 41 27.51 +06 11 36.5 o H55
2009-05-15 05:06:41 C 15 41 27.23 +06 11 27.8 o H55
2009-05-15 05:25:43 C 15 41 26.96 +06 11 18.4 o H55
2009-05-21 05:03:12 C 15 42 22.49 +05 05 38.8 o H55
2009-05-21 05:38:36 C 15 42 21.97 +05 05 21.9 o H55
2009-05-21 06:25:23 C 15 42 21.28 +05 05 00.8 o H55