2009 HM73

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5120220000
Semi-major axis (a)2.3969529000 AU
Inclination (i)6.41474000°
Long. of Asc. Node (Ω)72.85559000°
Arg. of Perihelion (ω)161.03685000°
Mean Anomaly (M)160.94231000°
Mean Motion (n)0.2655919000°/day
Perihelion dist (q)1.16966030 AU
Aphelion dist (Q)3.62424550 AU
Orbital Period3.71098540 yr
Physical Parameters
H (abs. magnitude)23.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.400″
Uncertainty6
Orbit TypeAmor
MOID0.161212 AU
Observations Used40
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-05-31
Observations (41)
Date Type RA Dec Mag Band Observatory
2009-04-28 08:58:18 C 14 14 56.76 +10 30 55.6 r G96
2009-04-28 09:06:12 C 14 14 57.15 +10 30 47.3 r G96
2009-04-28 09:14:01 C 14 14 57.55 +10 30 38.6 r G96
2009-04-28 09:21:35 C 14 14 57.87 +10 30 30.9 r G96
2009-04-28 09:42:14 C 14 14 58.92 +10 30 09.4 r G96
2009-04-28 09:45:38 C 14 14 59.10 +10 30 05.8 r G96
2009-04-28 09:49:07 C 14 14 59.28 +10 30 02.0 r G96
2009-04-28 09:52:36 C 14 14 59.42 +10 29 58.2 r G96
2009-04-28 10:29:17 C 14 15 01.30 +10 29 19.4 r G96
2009-04-28 10:32:17 C 14 15 01.43 +10 29 15.9 r G96
2009-04-29 07:09:59 C 14 16 16.40 +10 07 17.3 o 291
2009-04-29 07:15:35 C 14 16 16.68 +10 07 11.4 o 291
2009-04-29 07:21:11 C 14 16 16.94 +10 07 05.5 o 291
2009-04-29 07:29:02 C 14 16 17.29 +10 06 56.2 r G96
2009-04-29 07:40:05 C 14 16 17.86 +10 06 43.7 r G96
2009-04-29 07:51:10 C 14 16 18.37 +10 06 31.9 r G96
2009-04-29 08:02:11 C 14 16 18.94 +10 06 19.9 r G96
2009-04-30 04:59:34 C 14 17 36.77 +09 42 47.1 o 291
2009-04-30 05:05:02 C 14 17 37.06 +09 42 40.9 o 291
2009-04-30 05:10:31 C 14 17 37.34 +09 42 34.6 o 291
2009-05-01 04:06:38 C 14 19 03.04 +09 15 28.8 o 291
2009-05-01 04:12:03 C 14 19 03.32 +09 15 22.7 o 291
2009-05-01 04:17:43 C 14 19 03.63 +09 15 15.6 o 291
2009-05-05 08:59:09 C 14 25 40.80 +07 00 11.0 o 291
2009-05-05 09:04:35 C 14 25 41.00 +07 00 04.8 o 291
2009-05-05 09:09:54 C 14 25 41.42 +06 59 55.8 o 291
2009-05-15 05:39:00 C 14 44 18.27 +00 03 44.8 o H55
2009-05-15 05:48:53 C 14 44 19.05 +00 03 24.8 o H55
2009-05-15 06:08:36 C 14 44 20.55 +00 02 44.7 o H55
2009-05-15 09:07:23 C 14 44 35.18 -00 03 11.3 o 291
2009-05-15 09:12:39 C 14 44 35.81 -00 03 23.1 o 291
2009-05-15 09:18:01 C 14 44 36.03 -00 03 32.8 o 291
2009-05-29 07:40:52 C 15 17 31.81 -12 22 52.5 o 691
2009-05-29 08:02:53 C 15 17 33.88 -12 23 40.8 o 691
2009-05-29 08:24:52 C 15 17 36.09 -12 24 31.4 o 691
2009-05-30 06:26:41 C 15 20 01.02 -13 13 59.7 o 291
2009-05-30 06:39:58 C 15 20 02.32 -13 14 30.7 o 291
2009-05-30 06:46:22 C 15 20 02.94 -13 14 45.1 o 291
2009-05-31 08:17:35 C 15 22 49.91 -14 11 33.4 o 291
2009-05-31 08:23:14 C 15 22 50.43 -14 11 45.4 o 291
2009-05-31 08:28:41 C 15 22 50.98 -14 11 56.5 o 291