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
2025-08-20 13:36:21 C 01 01 13.332 +24 22 32.06 V T14
2025-08-20 13:48:44 C 01 01 14.102 +24 22 40.29 V T14
2025-08-21 13:03:23 C 01 03 00.561 +24 38 02.29 V T14
2025-08-21 13:16:57 C 01 03 01.398 +24 38 11.23 V T14
2025-08-25 14:09:30 C 01 10 21.767 +25 40 04.13 V T12
2025-08-25 14:17:25 C 01 10 22.254 +25 40 08.84 V T12
2025-09-15 09:18:31 C 01 51 02.675 +29 43 56.57 V G96
2025-09-15 09:25:58 C 01 51 03.193 +29 43 58.37 V G96
2025-09-15 09:33:25 C 01 51 03.726 +29 44 01.10 V G96
2025-09-21 14:22:31 C 02 05 39.495 +30 17 41.88 X F51
2025-09-21 14:34:53 C 02 05 40.512 +30 17 42.15 X F51
2025-09-21 14:46:41 C 02 05 41.455 +30 17 42.26 X F51
2025-09-30 09:37:17 C 02 32 06.098 +30 01 48.21 X F52
2025-09-30 10:06:57 C 02 32 09.589 +30 01 43.05 X F52
2025-09-30 10:21:40 C 02 32 11.288 +30 01 40.23 X F52
2025-10-03 08:05:02 C 02 43 23.549 +29 30 09.72 V G96
2025-10-03 08:12:28 C 02 43 24.564 +29 30 06.01 V G96
2025-10-03 08:19:52 C 02 43 25.576 +29 30 02.34 V G96
2025-10-03 08:27:16 C 02 43 26.576 +29 29 58.38 V G96
2025-10-13 12:55:07 C 03 43 55.399 +23 55 33.02 V T05
2025-10-13 13:44:03 C 03 44 09.374 +23 53 21.88 V T05
2025-10-13 13:48:22 C 03 44 10.555 +23 53 09.71 V T05
2025-10-13 14:17:25 C 03 44 18.962 +23 51 49.57 V T05
2025-10-16 11:35:29 C 04 12 00.766 +20 05 48.52 V T08
2025-10-16 11:39:27 C 04 12 02.251 +20 05 33.61 V T08
2025-10-16 11:55:09 C 04 12 08.074 +20 04 31.69 V T08
2025-10-16 12:40:22 C 04 12 24.804 +20 01 33.67 V T08
2025-10-17 02:44:12 B 04 18 48.250 +19 00 54.07 X K19
2025-10-17 02:49:23 B 04 18 50.350 +19 00 31.10 X K19
2025-10-17 02:54:35 B 04 18 52.483 +19 00 08.03 X K19
2025-10-17 14:21:54 C 04 24 17.863 +18 10 16.72 V T05
2025-10-17 14:26:34 C 04 24 19.745 +18 09 54.43 V T05
2025-10-17 14:34:16 C 04 24 22.925 +18 09 17.17 V T05
2025-10-17 14:53:19 C 04 24 30.799 +18 07 45.55 V T05
2025-10-18 09:21:58 C 04 34 02.672 +16 35 49.27 V 703
2025-10-18 09:25:10 C 04 34 04.163 +16 35 32.17 V 703
2025-10-18 09:28:22 C 04 34 05.560 +16 35 15.97 V 703
2025-10-18 09:31:34 C 04 34 07.036 +16 34 59.34 V 703
2025-10-19 09:56:14 C 04 47 21.710 +14 18 59.62 V 703
2025-10-19 09:59:32 C 04 47 23.312 +14 18 39.31 V 703
2025-10-19 10:02:50 C 04 47 24.943 +14 18 20.09 V 703
2025-10-19 10:06:08 C 04 47 26.502 +14 18 00.83 V 703
2025-10-20 01:17:23 C 04 56 27.895 +12 43 49.76 V R17
2025-10-20 01:36:53 C 04 56 38.213 +12 41 47.36 V R17
2025-10-20 01:56:39 C 04 56 48.646 +12 39 42.30 V R17
2025-10-20 02:17:01 C 04 56 59.294 +12 37 33.10 V R17
2025-10-20 08:40:05 C 05 00 49.690 +11 55 04.80 V 703
2025-10-20 08:46:30 C 05 00 53.260 +11 54 21.20 V 703
2025-10-20 08:49:42 C 05 00 54.910 +11 54 01.00 V 703
2025-10-21 06:39:49 C 05 14 40.361 +09 25 19.34 V W68