2004 HE

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6087821378
Semi-major axis (a)1.7730608682 AU
Inclination (i)9.48240067°
Long. of Asc. Node (Ω)208.00797361°
Arg. of Perihelion (ω)79.63313125° ± 6.00e+00
Mean Anomaly (M)29.90019385°
Mean Motion (n)0.4174645500°/day
Perihelion dist (q)0.69365900 AU
Aphelion dist (Q)2.85245740 AU
Orbital Period2.36093750 yr
Physical Parameters
H (abs. magnitude)26.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.939″
Uncertainty
Orbit TypeApollo
MOID0.000381 AU
Observations Used49
Oppositions1
Arc Total2004-2004
First Observation Used
Last Observation Used2004-04-17
Observations (50)
Date Type RA Dec Mag Band Observatory
2004-04-16 07:57:53 C 13 26 03.77 -26 39 34.6 o 699
2004-04-16 08:16:11 C 13 26 12.92 -26 40 28.1 o 699
2004-04-16 08:34:32 C 13 26 22.29 -26 41 20.7 o 699
2004-04-16 08:52:51 C 13 26 31.79 -26 42 12.4 o 699
2004-04-16 11:56:35 C 13 29 12.05 -26 43 52.3 r E12
2004-04-16 11:58:12 C 13 29 13.05 -26 43 58.3 r E12
2004-04-16 11:59:49 C 13 29 14.15 -26 44 05.2 r E12
2004-04-16 14:12:40 C 13 30 43.48 -26 52 38.1 r E12
2004-04-16 14:26:02 C 13 30 53.11 -26 53 29.2 r E12
2004-04-16 14:32:40 C 13 30 57.90 -26 53 54.2 r E12
2004-04-16 23:04:09 C 13 41 14.17 -27 50 55.3 c 246
2004-04-16 23:04:41 C 13 41 14.96 -27 50 59.5 c 246
2004-04-16 23:07:16 C 13 41 18.67 -27 51 17.8 c 246
2004-04-17 09:21:05 C 14 08 04.26 -29 37 09.3 o H06
2004-04-17 09:22:01 C 14 08 08.12 -29 37 22.6 o H06
2004-04-17 09:22:57 C 14 08 12.01 -29 37 36.0 o H06
2004-04-17 09:24:46 C 14 08 19.71 -29 38 03.4 o H06
2004-04-17 09:25:50 C 14 08 23.91 -29 38 18.9 o H06
2004-04-17 09:26:54 C 14 08 28.39 -29 38 34.0 o H06
2004-04-17 09:28:43 C 14 08 36.03 -29 39 00.3 o H06
2004-04-17 09:29:38 C 14 08 39.81 -29 39 12.6 o H06
2004-04-17 10:57:52 C 14 17 28.92 -29 36 55.4 r 474
2004-04-17 11:00:03 C 14 17 40.44 -29 37 32.7 r 474
2004-04-17 11:01:02 C 14 17 45.79 -29 37 49.8 r 474
2004-04-17 11:02:00 C 14 17 50.99 -29 38 07.0 r 474
2004-04-17 11:02:51 C 14 17 55.55 -29 38 21.0 r 474
2004-04-17 11:03:40 C 14 18 00.09 -29 38 35.0 r 474
2004-04-17 11:04:51 C 14 18 06.35 -29 38 55.4 r 474
2004-04-17 11:07:02 C 14 18 18.12 -29 39 33.6 r 474
2004-04-17 11:08:02 C 14 18 23.63 -29 39 51.7 r 474
2004-04-17 11:47:10 C 14 22 44.12 -29 54 42.0 r E12
2004-04-17 11:47:59 C 14 22 49.00 -29 54 57.5 r E12
2004-04-17 11:48:46 C 14 22 54.00 -29 55 13.8 r E12
2004-04-17 11:49:35 C 14 22 58.71 -29 55 28.7 r E12
2004-04-17 12:05:12 C 14 24 35.43 -30 00 33.3 r E12
2004-04-17 12:06:00 C 14 24 40.45 -30 00 49.7 r E12
2004-04-17 12:06:47 C 14 24 45.48 -30 01 03.9 r E12
2004-04-17 12:07:37 C 14 24 50.66 -30 01 20.8 r E12
2004-04-17 18:03:09 C 15 30 31.59 -31 46 24.5 r 474
2004-04-17 18:03:23 C 15 30 36.51 -31 46 26.5 r 474
2004-04-17 18:03:37 C 15 30 41.35 -31 46 29.4 r 474
2004-04-17 18:03:53 C 15 30 46.03 -31 46 31.5 r 474
2004-04-17 18:04:07 C 15 30 50.92 -31 46 33.8 r 474
2004-04-17 18:04:22 C 15 30 55.66 -31 46 36.7 r 474
2004-04-17 18:04:38 C 15 31 00.46 -31 46 39.1 r 474
2004-04-17 18:04:52 C 15 31 05.33 -31 46 41.1 r 474
2004-04-17 18:06:50 C 15 31 43.95 -31 46 59.1 r 474
2004-04-17 18:07:05 C 15 31 48.82 -31 47 01.0 r 474
2004-04-17 18:07:19 C 15 31 53.68 -31 47 03.4 r 474
2004-04-17 18:08:21 C 15 32 13.84 -31 47 12.9 r 474