2004 HA1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7193046000
Semi-major axis (a)2.7069923000 AU
Inclination (i)19.07857000°
Long. of Asc. Node (Ω)28.70577000°
Arg. of Perihelion (ω)259.26943000°
Mean Anomaly (M)291.29394000°
Mean Motion (n)0.2212959900°/day
Perihelion dist (q)0.75984030 AU
Aphelion dist (Q)4.65414430 AU
Orbital Period4.45379820 yr
Physical Parameters
H (abs. magnitude)21.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.620″
Uncertainty8
Orbit TypeApollo
MOID0.067314 AU
Observations Used65
Oppositions1
Arc Total
First Observation Used
Last Observation Used2004-04-25
Observations (66)
Date Type RA Dec Mag Band Observatory
2004-04-19 06:24:13 C 12 50 57.43 +00 30 49.8 19.6 c 704
2004-04-19 06:40:14 C 12 50 52.56 +00 30 15.9 19.4 c 704
2004-04-19 06:56:22 C 12 50 47.72 +00 29 40.5 19.4 c 704
2004-04-19 07:12:28 C 12 50 43.06 +00 29 05.5 20.6 c 704
2004-04-19 21:13:43 C 12 46 34.51 -00 02 40.3 r 620
2004-04-19 21:31:56 C 12 46 28.68 -00 03 23.3 r 620
2004-04-19 23:59:02 C 12 45 41.97 -00 09 16.8 r J95
2004-04-20 00:07:18 C 12 45 39.36 -00 09 37.0 r J95
2004-04-20 00:15:34 C 12 45 36.71 -00 09 56.4 r J95
2004-04-20 05:51:55 C 12 43 51.73 -00 23 13.9 18.6 c 704
2004-04-20 05:52:10 C 12 43 51.67 -00 23 14.5 18.7 c 704
2004-04-20 05:53:06 C 12 43 51.32 -00 23 16.6 18.9 c 704
2004-04-20 06:06:41 C 12 43 47.02 -00 23 48.9 c 854
2004-04-20 06:07:35 C 12 43 46.59 -00 23 51.2 19.1 c 704
2004-04-20 06:07:50 C 12 43 46.48 -00 23 53.0 19.2 c 704
2004-04-20 06:09:15 C 12 43 45.96 -00 23 56.2 19.1 c 704
2004-04-20 06:16:14 C 12 43 43.87 -00 24 12.2 c 854
2004-04-20 06:23:07 C 12 43 41.41 -00 24 30.0 19.2 c 704
2004-04-20 06:23:23 C 12 43 41.32 -00 24 30.9 19.3 c 704
2004-04-20 06:25:25 C 12 43 40.68 -00 24 36.8 19.5 c 704
2004-04-20 06:25:49 C 12 43 40.72 -00 24 36.4 c 854
2004-04-20 06:38:38 C 12 43 36.28 -00 25 07.2 19.7 c 704
2004-04-20 06:38:54 C 12 43 36.17 -00 25 08.8 19.4 c 704
2004-04-20 06:41:23 C 12 43 35.39 -00 25 14.6 18.8 c 704
2004-04-20 06:54:58 C 12 43 30.85 -00 25 47.2 19.3 c 704
2004-04-20 06:55:14 C 12 43 30.75 -00 25 48.8 19.5 c 704
2004-04-20 06:55:33 C 12 43 30.46 -00 25 47.1 c 711
2004-04-20 06:57:21 C 12 43 30.05 -00 25 54.2 18.8 c 704
2004-04-20 07:01:45 C 12 43 28.68 -00 26 01.5 c 711
2004-04-20 07:07:58 C 12 43 26.36 -00 26 14.9 c 711
2004-04-21 06:01:05 C 12 35 44.45 -01 25 47.4 18.9 c 704
2004-04-21 06:18:19 C 12 35 38.17 -01 26 35.0 19.1 c 704
2004-04-21 06:34:21 C 12 35 32.23 -01 27 19.0 18.9 c 704
2004-04-21 06:50:24 C 12 35 26.29 -01 28 03.5 18.7 c 704
2004-04-21 07:06:34 C 12 35 20.36 -01 28 48.1 18.6 c 704
2004-04-21 07:32:13 C 12 35 10.90 -01 29 58.6 18.7 c 704
2004-04-21 07:49:02 C 12 35 04.70 -01 30 45.5 18.8 c 704
2004-04-21 08:06:04 C 12 34 58.42 -01 31 33.4 19.0 c 704
2004-04-21 08:22:30 C 12 34 52.33 -01 32 18.6 19.3 c 704
2004-04-21 08:38:48 C 12 34 46.31 -01 33 03.1 19.0 c 704
2004-04-22 04:31:24 C 12 27 21.27 -02 31 08.6 18.8 c 704
2004-04-22 04:46:54 C 12 27 14.97 -02 31 56.6 18.8 c 704
2004-04-22 05:02:31 C 12 27 08.61 -02 32 44.7 18.8 c 704
2004-04-22 05:18:10 C 12 27 02.20 -02 33 32.8 19.0 c 704
2004-04-22 05:33:41 C 12 26 55.89 -02 34 19.6 19.6 c 704
2004-04-22 12:10:55 C 12 24 16.75 -02 54 00.6 r E14
2004-04-22 12:26:35 C 12 24 10.14 -02 54 50.0 r E14
2004-04-22 12:42:19 C 12 24 03.50 -02 55 40.4 r E14
2004-04-23 03:55:05 C 12 17 38.93 -03 47 07.5 c 691
2004-04-23 04:43:05 C 12 17 17.15 -03 49 52.9 c 691