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
2025-10-21 06:42:27 C 05 14 41.873 +09 25 00.44 V W68
2025-10-21 06:46:26 C 05 14 44.141 +09 24 30.85 V W68
2025-10-21 06:54:17 C 05 14 48.619 +09 23 32.68 V W68
2025-10-21 09:12:15 C 05 16 21.151 +09 00 19.80 V V00
2025-10-21 09:20:19 C 05 16 25.795 +08 59 19.64 V V00
2025-10-21 09:28:22 C 05 16 30.443 +08 58 19.31 V V00
2025-10-21 09:36:24 C 05 16 35.065 +08 57 19.15 V V00
2025-10-22 00:10:41 C 05 26 26.578 +07 09 53.32 V M22
2025-10-22 00:23:42 C 05 26 34.507 +07 08 09.85 V M22
2025-10-22 00:56:36 C 05 26 54.406 +07 03 46.73 V M22
2025-10-23 02:29:01 C 05 45 12.871 +03 21 19.33 V R17
2025-10-23 02:49:24 C 05 45 26.263 +03 18 19.19 V R17
2025-10-23 03:09:47 C 05 45 39.545 +03 15 19.12 V R17
2025-10-23 03:30:09 C 05 45 52.764 +03 12 18.36 V R17
2025-10-24 02:32:37 C 06 03 27.595 -00 19 13.76 V R17
2025-10-24 02:52:18 C 06 03 41.323 -00 22 20.28 V R17
2025-10-24 03:12:07 C 06 03 55.066 -00 25 28.02 V R17
2025-10-24 03:32:29 C 06 04 09.065 -00 28 40.48 V R17
2025-10-25 00:20:55 C 06 20 46.078 -03 42 36.86 V M22
2025-10-25 00:24:50 C 06 20 48.941 -03 43 14.05 V M22
2025-10-25 00:55:57 C 06 21 11.582 -03 48 20.84 V M22
2025-10-25 01:03:47 C 06 21 17.131 -03 49 37.88 V M22
2025-10-30 08:11:22 C 08 08 26.780 -23 01 41.71 W W74
2025-10-30 08:15:02 C 08 08 29.467 -23 02 09.27 W W74
2025-10-30 08:20:09 C 08 08 33.222 -23 02 47.61 W W74
2025-10-30 08:47:07 C 08 08 52.848 -23 06 08.29 W W74
2025-10-30 08:47:46 C 08 08 53.313 -23 06 13.10 W W74
2025-10-30 08:48:25 C 08 08 53.791 -23 06 17.84 W W74
2025-10-31 07:17:52 C 08 27 07.026 -25 37 23.05 W W74
2025-10-31 07:19:11 C 08 27 07.971 -25 37 31.89 W W74
2025-10-31 07:25:43 C 08 27 12.687 -25 38 15.87 W W74
2025-10-31 07:27:03 C 08 27 13.631 -25 38 24.71 W W74
2025-10-31 07:28:21 C 08 27 14.574 -25 38 33.53 W W74
2025-10-31 07:44:38 C 08 27 26.225 -25 40 22.38 W W74
2025-10-31 07:45:17 C 08 27 26.683 -25 40 26.66 W W74
2025-10-31 07:45:56 C 08 27 27.152 -25 40 31.00 W W74
2025-10-31 07:53:07 C 08 27 32.273 -25 41 18.95 W W74
2025-10-31 08:03:36 C 08 27 39.702 -25 42 28.34 W W74
2025-10-31 08:04:14 C 08 27 40.158 -25 42 32.68 W W74
2025-10-31 08:05:32 C 08 27 41.074 -25 42 41.20 W W74