2009 HC

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1256759477 ± 8.58e-08
Semi-major axis (a)1.0354251982 AU ± 3.98e-09
Inclination (i)3.73449877° ± 4.33e-06
Long. of Asc. Node (Ω)203.49298698° ± 1.18e-05
Arg. of Perihelion (ω)271.79962600° ± 1.63e-05
Mean Anomaly (M)316.56462045° ± 7.60e-06
Mean Motion (n)0.9354792988°/day ± 5.39e-09
Perihelion dist (q)0.90529716 AU ± 8.89e-08
Aphelion dist (Q)1.16555324 AU ± 8.89e-08
Orbital Period1.05360566 yr ± 6.07e-09
Physical Parameters
H (abs. magnitude)24.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.681″
Uncertainty0
Orbit TypeApollo
MOID0.006197 AU
Observations Used238
Oppositions1
Arc Total2009-2025
First Observation Used2009-04-17
Last Observation Used2025-10-31
Observations (240)
Date Type RA Dec Mag Band Observatory
2009-04-21 23:43:47 C 14 14 52.07 +02 04 34.0 v 204
2009-04-21 23:49:29 C 14 14 51.56 +02 04 49.5 v 204
2009-04-21 23:55:32 C 14 14 50.98 +02 05 06.2 v 204
2009-04-22 07:31:15 C 14 14 26.46 +02 25 42.1 o H55
2009-04-22 07:35:16 C 14 14 26.08 +02 25 52.8 o H55
2009-04-22 07:39:18 C 14 14 25.69 +02 26 03.3 o H55
2009-04-22 09:51:01 C 14 14 17.36 +02 32 10.3 o 291
2009-04-22 09:56:32 C 14 14 16.87 +02 32 24.2 o 291
2009-04-22 10:02:00 C 14 14 16.36 +02 32 38.4 o 291
2009-04-23 06:01:01 C 14 13 37.05 +03 21 45.6 r G96
2009-04-23 06:02:30 C 14 13 36.94 +03 21 48.9 r G96
2009-04-23 06:45:26 C 14 13 32.91 +03 23 30.1 r G96
2009-04-23 06:46:56 C 14 13 32.77 +03 23 33.6 r G96
2009-04-23 06:48:25 C 14 13 32.62 +03 23 37.1 r G96
2009-04-23 06:49:44 C 14 13 32.48 +03 23 40.2 r G96
2009-04-23 07:31:36 C 14 13 24.14 +03 24 54.0 o H55
2009-04-23 07:35:13 C 14 13 23.85 +03 25 02.8 o H55
2009-04-23 07:39:22 C 14 13 23.51 +03 25 12.4 o H55
2009-04-24 04:53:23 C 14 12 45.27 +04 12 17.4 o 291
2009-04-24 04:59:07 C 14 12 44.82 +04 12 29.6 o 291
2009-04-24 05:04:26 C 14 12 44.40 +04 12 40.7 o 291
2009-04-24 07:16:26 C 14 12 32.86 +04 17 15.3 r G96
2009-04-24 07:19:17 C 14 12 32.61 +04 17 21.2 r G96
2009-04-24 07:20:47 C 14 12 32.47 +04 17 24.3 r G96
2009-04-24 21:34:17 C 14 12 04.52 +04 44 54.1 o 046
2009-04-24 21:36:39 C 14 12 04.26 +04 44 59.8 o 046
2009-04-24 21:38:40 C 14 12 04.00 +04 45 04.9 o 046
2009-04-24 21:40:57 C 14 12 03.86 +04 45 09.0 o 046
2009-04-24 21:43:03 C 14 12 03.66 +04 45 12.1 o 046
2009-04-24 21:45:06 C 14 12 03.60 +04 45 17.0 o 046
2009-04-24 21:47:11 C 14 12 03.40 +04 45 20.4 o 046
2009-04-24 21:49:20 C 14 12 03.15 +04 45 24.1 o 046
2009-04-24 21:51:25 C 14 12 03.07 +04 45 29.6 o 046
2009-04-24 21:53:28 C 14 12 03.02 +04 45 33.3 o 046
2009-04-25 21:16:12 C 14 11 17.36 +05 27 58.0 r A13
2009-04-25 21:43:21 C 14 11 15.43 +05 28 43.6 r A13
2009-04-26 10:16:07 C 14 10 40.59 +05 50 06.3 o 291
2009-04-26 10:21:22 C 14 10 40.26 +05 50 14.3 o 291
2009-04-26 10:26:35 C 14 10 39.93 +05 50 22.5 o 291
2009-04-27 08:01:06 C 14 10 07.60 +06 23 09.8 r 703
2009-04-27 08:12:35 C 14 10 06.81 +06 23 25.8 r 703
2009-04-27 08:22:14 C 14 10 06.25 +06 23 41.0 o 291
2009-04-27 08:24:19 C 14 10 05.95 +06 23 42.2 r 703
2009-04-27 08:27:45 C 14 10 05.87 +06 23 48.8 o 291
2009-04-27 08:33:09 C 14 10 05.48 +06 23 56.5 o 291
2009-04-27 08:35:57 C 14 10 05.19 +06 23 58.6 r 703
2009-04-28 10:12:01 C 14 09 21.38 +06 58 22.1 o 291
2009-04-28 10:17:23 C 14 09 21.10 +06 58 28.6 o 291
2009-04-28 10:22:46 C 14 09 20.81 +06 58 34.9 o 291
2009-04-29 06:33:33 C 14 09 00.82 +07 22 49.1 o 291