2004 HC39

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5011788000
Semi-major axis (a)1.8126316000 AU
Inclination (i)14.63866000°
Long. of Asc. Node (Ω)55.99067000°
Arg. of Perihelion (ω)224.40212000°
Mean Anomaly (M)280.17020000°
Mean Motion (n)0.4038682800°/day
Perihelion dist (q)0.90417910 AU
Aphelion dist (Q)2.72108410 AU
Orbital Period2.44041860 yr
Physical Parameters
H (abs. magnitude)21.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.420″
Uncertainty2
Orbit TypeApollo
MOID0.008469 AU
Observations Used125
Oppositions1
Arc Total
First Observation Used
Last Observation Used2004-05-12
Observations (133)
Date Type RA Dec Mag Band Observatory
2004-04-22 09:44:44 C 15 46 47.258 +21 55 29.42 645
2004-04-22 09:45:55 C 15 46 47.400 +21 55 29.86 645
2004-04-22 09:48:19 C 15 46 47.659 +21 55 30.58 645
2004-04-22 09:49:30 C 15 46 47.765 +21 55 30.83 645
2004-04-25 09:16:56 C 15 56 20.48 +22 12 03.1 d 703
2004-04-25 09:30:06 C 15 56 22.29 +22 12 05.4 d 703
2004-04-25 09:43:17 C 15 56 24.04 +22 12 07.6 d 703
2004-04-25 09:56:26 C 15 56 25.85 +22 12 09.8 d 703
2004-04-25 11:32:29 C 15 56 39.23 +22 12 24.5 d 703
2004-04-25 11:35:47 C 15 56 39.64 +22 12 24.2 d 703
2004-04-25 11:39:07 C 15 56 40.08 +22 12 25.0 d 703
2004-04-25 11:42:24 C 15 56 40.58 +22 12 24.7 d 703
2004-04-25 20:50:09 C 15 58 11.716 +22 13 40.29 o 611
2004-04-25 20:55:26 C 15 58 12.515 +22 13 40.90 o 611
2004-04-25 20:59:52 C 15 58 13.153 +22 13 42.82 o 611
2004-04-25 21:32:24 C 15 58 18.43 +22 13 53.3 c 587
2004-04-25 21:36:00 C 15 58 18.94 +22 13 54.9 c 587
2004-04-25 21:39:37 C 15 58 19.47 +22 13 55.6 c 587
2004-04-25 22:04:23 C 15 58 23.40 +22 13 58.8 18.5 o 026
2004-04-25 22:14:24 C 15 58 24.80 +22 14 01.2 18.6 o 026
2004-04-25 22:16:59 C 15 58 24.93 +22 14 03.3 r 106
2004-04-25 22:27:12 C 15 58 26.50 +22 14 05.9 r 106
2004-04-25 22:52:04 C 15 58 30.18 +22 14 10.6 r 106
2004-04-25 23:02:24 C 15 58 31.71 +22 14 12.8 r 106
2004-04-26 06:17:20 C 15 59 44.71 +22 15 29.8 c 673
2004-04-26 06:19:29 C 15 59 45.06 +22 15 30.2 c 673
2004-04-26 06:22:20 C 15 59 45.51 +22 15 30.8 c 673
2004-04-26 06:27:59 C 15 59 46.37 +22 15 31.9 c 673
2004-04-26 08:19:24 C 16 00 03.54 +22 15 54.2 c G70
2004-04-26 08:34:29 C 16 00 05.86 +22 15 56.1 c G70
2004-04-26 08:49:20 C 16 00 08.10 +22 15 59.2 c G70
2004-04-26 08:54:33 C 16 00 08.07 +22 16 01.1 o H06
2004-04-26 08:58:47 C 16 00 08.73 +22 16 01.9 o H06
2004-04-27 06:06:42 C 16 03 55.53 +22 18 39.0 r 649
2004-04-27 06:09:17 C 16 03 55.96 +22 18 39.4 r 649
2004-04-27 06:11:51 C 16 03 56.40 +22 18 40.1 r 649
2004-04-27 06:14:24 C 16 03 56.83 +22 18 40.2 r 649
2004-04-28 08:13:54 C 16 09 05.39 +22 20 55.7 d 703
2004-04-28 08:27:17 C 16 09 08.00 +22 20 57.0 d 703
2004-04-28 08:40:39 C 16 09 10.58 +22 20 57.6 d 703
2004-04-28 08:53:57 C 16 09 13.14 +22 20 58.0 d 703
2004-04-30 16:30:31 C 16 22 56.910 +22 20 09.13 r 413
2004-04-30 16:32:31 C 16 22 57.444 +22 20 08.93 r 413
2004-04-30 16:34:31 C 16 22 57.974 +22 20 08.53 r 413
2004-05-01 07:04:10 C 16 27 24.14 +22 16 03.6 c 926
2004-05-01 07:05:36 C 16 27 24.58 +22 16 03.3 c 926
2004-05-01 07:07:03 C 16 27 25.03 +22 16 03.1 c 926
2004-05-01 08:47:18 C 16 27 54.81 +22 15 39.6 d 703
2004-05-01 09:00:38 C 16 27 58.64 +22 15 37.1 d 703
2004-05-01 09:13:57 C 16 28 02.61 +22 15 34.6 d 703