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
2004-05-07 05:59:02 C 17 46 47.75 +19 38 29.7 r 649
2004-05-07 06:01:56 C 17 46 50.42 +19 38 21.6 r 649
2004-05-07 06:03:23 C 17 46 51.76 +19 38 17.7 r 649
2004-05-07 06:04:50 C 17 46 53.09 +19 38 13.6 r 649
2004-05-07 06:57:59 C 17 47 42.09 +19 35 53.6 r H41
2004-05-07 06:59:56 C 17 47 43.79 +19 35 48.4 r H41
2004-05-07 07:01:37 C 17 47 45.33 +19 35 44.1 r H41
2004-05-07 07:03:04 C 17 47 46.66 +19 35 39.5 r H41
2004-05-07 07:04:35 C 17 47 48.07 +19 35 35.4 r H41
2004-05-07 22:47:58 C 18 03 55.95 +18 41 30.4 o 084
2004-05-08 02:21:43 C 18 07 53.77 +18 28 22.3 r 941
2004-05-08 02:22:40 C 18 07 54.79 +18 28 18.5 r 941
2004-05-08 02:25:48 C 18 07 58.26 +18 28 05.5 r 941
2004-05-08 02:31:10 C 18 08 04.14 +18 27 43.7 r 941
2004-05-08 02:32:07 C 18 08 05.17 +18 27 39.9 r 941
2004-05-08 09:10:45 C 18 15 52.59 +17 59 18.2 r H41
2004-05-08 09:12:16 C 18 15 54.20 +17 59 10.8 r H41
2004-05-08 09:14:32 C 18 15 56.96 +17 59 01.6 r H41
2004-05-08 09:15:57 C 18 15 58.56 +17 58 55.0 r H41
2004-05-08 09:17:13 C 18 16 00.05 +17 58 48.5 r H41
2004-05-08 09:18:34 C 18 16 01.63 +17 58 42.5 r H41
2004-05-08 23:28:29 C 18 34 22.19 +16 44 55.0 o 084
2004-05-08 23:34:10 C 18 34 29.83 +16 44 22.8 o 084
2004-05-09 06:22:58 C 18 44 13.98 +16 03 54.3 r 649
2004-05-09 06:24:04 C 18 44 15.55 +16 03 47.5 r 649
2004-05-09 06:25:10 C 18 44 17.10 +16 03 40.8 r 649
2004-05-09 06:26:15 C 18 44 18.67 +16 03 33.8 r 649
2004-05-10 10:27:28 C 19 29 53.78 +12 23 01.7 c 926
2004-05-10 10:27:55 C 19 29 54.59 +12 22 57.2 c 926
2004-05-10 10:28:23 C 19 29 55.40 +12 22 52.9 c 926
2004-05-12 10:43:07 C 21 06 35.89 +02 48 36.0 c 926
2004-05-12 10:43:26 C 21 06 36.59 +02 48 31.8 c 926
2004-05-12 10:43:47 C 21 06 37.27 +02 48 26.9 c 926