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
2004-05-01 09:27:08 C 16 28 06.47 +22 15 31.1 d 703
2004-05-01 10:36:21 C 16 28 26.84 +22 15 15.7 d 703
2004-05-01 10:38:00 C 16 28 27.32 +22 15 15.0 d 703
2004-05-01 10:39:38 C 16 28 27.84 +22 15 14.6 d 703
2004-05-01 10:41:18 C 16 28 28.30 +22 15 14.2 d 703
2004-05-01 23:43:59 C 16 32 56.20 +22 11 20.2 r 176
2004-05-01 23:45:18 C 16 32 56.65 +22 11 19.8 r 176
2004-05-01 23:51:21 C 16 32 58.70 +22 11 18.1 r 176
2004-05-02 07:20:23 C 16 35 40.32 +22 08 52.4 r 448
2004-05-02 07:26:42 C 16 35 42.48 +22 08 50.2 r 448
2004-05-02 07:32:18 C 16 35 44.43 +22 08 48.3 r 448
2004-05-02 07:37:27 C 16 35 46.20 +22 08 47.0 r 448
2004-05-02 08:58:37 C 16 36 14.70 +22 08 19.3 c 926
2004-05-02 08:59:54 C 16 36 15.18 +22 08 18.4 c 926
2004-05-02 09:01:12 C 16 36 15.66 +22 08 17.8 c 926
2004-05-03 06:16:56 C 16 44 50.75 +21 57 50.9 c H41
2004-05-03 06:21:14 C 16 44 52.51 +21 57 48.1 c H41
2004-05-03 06:23:41 C 16 44 53.56 +21 57 46.1 c H41
2004-05-03 06:27:45 C 16 44 55.21 +21 57 46.0 c H41
2004-05-04 09:19:36 C 16 57 43.04 +21 37 44.7 r H41
2004-05-04 09:22:06 C 16 57 44.26 +21 37 42.0 r H41
2004-05-04 09:24:08 C 16 57 45.33 +21 37 39.5 r H41
2004-05-04 09:26:45 C 16 57 46.51 +21 37 35.9 r H41
2004-05-05 06:21:23 C 17 09 56.02 +21 14 13.8 r H41
2004-05-05 06:26:21 C 17 09 58.88 +21 14 08.8 r H41
2004-05-05 06:26:28 C 17 09 59.06 +21 13 59.9 r 649
2004-05-05 06:28:24 C 17 10 00.26 +21 13 57.2 r 649
2004-05-05 06:28:41 C 17 10 00.33 +21 14 04.8 r H41
2004-05-05 06:30:22 C 17 10 01.46 +21 13 55.1 r 649
2004-05-05 06:31:52 C 17 10 02.24 +21 14 00.8 r H41
2004-05-05 06:32:18 C 17 10 02.57 +21 13 52.5 r 649
2004-05-05 06:33:29 C 17 10 03.22 +21 13 59.9 r H41
2004-05-05 06:34:16 C 17 10 03.77 +21 13 50.2 r 649
2004-05-05 06:34:56 C 17 10 04.09 +21 13 57.1 r H41
2004-05-05 06:37:28 C 17 10 05.65 +21 13 53.9 r H41
2004-05-06 00:49:28 C 17 22 25.42 +20 45 12.0 r J95
2004-05-06 00:52:09 C 17 22 27.31 +20 45 07.1 r J95
2004-05-06 00:54:57 C 17 22 29.29 +20 45 02.6 r J95
2004-05-06 07:01:47 C 17 27 06.03 +20 34 07.2 r H41
2004-05-06 07:03:33 C 17 27 07.44 +20 34 03.4 r H41
2004-05-06 07:07:14 C 17 27 10.09 +20 33 56.2 r H41
2004-05-06 07:09:22 C 17 27 11.70 +20 33 53.0 r H41
2004-05-06 07:11:34 C 17 27 13.33 +20 33 48.1 r H41
2004-05-06 09:57:14 C 17 29 19.71 +20 28 24.4 c 926
2004-05-06 09:57:50 C 17 29 20.22 +20 28 23.7 c 926
2004-05-06 09:58:28 C 17 29 20.70 +20 28 21.6 c 926
2004-05-07 00:27:12 C 17 41 38.87 +19 53 24.0 r J95
2004-05-07 00:32:27 C 17 41 43.46 +19 53 10.6 r J95
2004-05-07 00:38:04 C 17 41 48.40 +19 52 56.0 r J95
2004-05-07 05:57:35 C 17 46 46.43 +19 38 33.6 r 649