374038 (2004 HW)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6359217378 ± 2.56e-08
Semi-major axis (a)2.6898972361 AU ± 7.14e-09
Inclination (i)0.83213350° ± 5.46e-06
Long. of Asc. Node (Ω)219.83512468° ± 2.76e-04
Arg. of Perihelion (ω)62.84450960° ± 2.76e-04
Mean Anomaly (M)312.74394055° ± 6.22e-06
Mean Motion (n)0.2234131558°/day ± 8.90e-10
Perihelion dist (q)0.97933311 AU ± 6.88e-08
Aphelion dist (Q)4.40046136 AU ± 6.97e-08
Orbital Period4.41167522 yr ± 1.76e-08
Physical Parameters
H (abs. magnitude)17.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.335″
Uncertainty0
Orbit TypeApollo
MOID0.009034 AU
Observations Used329
Oppositions16
Arc Total2004-2025
First Observation Used2004-04-18
Last Observation Used2025-12-27
Observations (349)
Date Type RA Dec Mag Band Observatory
2004-06-22 18:51:13 C 01 21 42.92 +09 44 53.9 r E12
2004-06-24 18:40:14 C 01 27 10.18 +10 16 31.9 r E12
2004-06-24 18:56:34 C 01 27 11.97 +10 16 42.7 r E12
2004-06-24 19:12:52 C 01 27 13.78 +10 16 53.7 r E12
2004-06-24 19:29:17 C 01 27 15.58 +10 17 04.3 r E12
2004-07-12 19:36:40 C 02 10 12.318 +14 09 06.17 r 413
2004-07-12 19:44:40 C 02 10 12.980 +14 09 09.55 r 413
2004-07-15 19:28:05 C 02 16 15.239 +14 39 03.92 r 413
2004-07-16 19:34:52 C 02 18 12.718 +14 48 35.99 r 413
2004-07-16 19:40:10 C 02 18 13.129 +14 48 38.18 r 413
2004-07-16 19:42:50 C 02 18 13.332 +14 48 39.25 r 413
2004-07-18 19:29:52 C 02 21 59.73 +15 06 49.4 r E12
2004-07-18 19:38:01 C 02 22 00.35 +15 06 51.6 r E12
2004-07-18 19:46:17 C 02 22 00.92 +15 06 54.0 r E12
2004-07-18 19:54:28 C 02 22 01.57 +15 06 57.3 r E12
2004-07-20 18:58:51 C 02 25 36.171 +15 23 52.48 r 413
2004-07-20 19:06:49 C 02 25 36.745 +15 23 55.37 r 413
2004-08-20 09:31:10 C 03 01 45.49 +17 56 27.1 c 711
2004-08-20 09:42:09 C 03 01 45.74 +17 56 28.6 c 711
2004-08-22 09:59:11 C 03 02 42.10 +17 59 36.3 r 715
2004-08-22 10:05:01 C 03 02 42.16 +17 59 37.2 r 715
2004-08-22 10:13:41 C 03 02 42.40 +17 59 37.7 r 715
2004-08-23 10:02:10 C 03 03 05.90 +18 00 51.7 o 699
2004-08-23 10:26:43 C 03 03 06.26 +18 00 53.8 o 699
2004-08-23 10:51:17 C 03 03 06.55 +18 00 54.6 o 699
2004-08-23 11:15:51 C 03 03 06.84 +18 00 55.6 o 699
2004-09-09 08:15:00 C 03 02 16.30 +17 50 31.9 19.2 c 704
2004-09-09 08:31:18 C 03 02 15.92 +17 50 30.6 20.2 c 704
2004-09-09 08:47:35 C 03 02 15.62 +17 50 29.2 19.7 c 704
2004-09-09 09:03:52 C 03 02 15.24 +17 50 27.3 19.5 c 704
2004-09-09 09:20:22 C 03 02 14.86 +17 50 26.3 19.7 c 704
2004-09-16 08:10:44 C 02 57 43.88 +17 28 15.2 o 699
2004-09-16 08:38:56 C 02 57 42.84 +17 28 11.0 o 699
2004-09-16 09:07:07 C 02 57 41.81 +17 28 06.6 o 699
2004-09-16 09:35:18 C 02 57 40.85 +17 28 02.2 o 699
2004-09-17 08:01:52 C 02 56 53.77 +17 24 13.8 19.1 c 704
2004-09-17 08:18:48 C 02 56 53.09 +17 24 09.6 19.5 c 704
2004-09-17 08:35:45 C 02 56 52.41 +17 24 07.2 19.5 c 704
2004-09-17 08:52:38 C 02 56 51.77 +17 24 04.3 19.6 c 704
2004-09-17 09:09:32 C 02 56 51.13 +17 24 02.4 19.5 c 704
2004-09-19 02:32:34 C 02 55 17.46 +17 16 28.4 r 941
2004-09-19 02:33:43 C 02 55 17.42 +17 16 28.3 r 941
2004-09-19 02:34:51 C 02 55 17.37 +17 16 28.3 r 941
2004-09-19 02:36:00 C 02 55 17.31 +17 16 28.2 r 941
2004-09-19 02:37:09 C 02 55 17.26 +17 16 28.1 r 941
2004-10-09 06:03:51 C 02 29 18.34 +15 06 38.2 19.4 c 704
2004-10-09 06:19:36 C 02 29 17.27 +15 06 33.8 19.6 c 704
2004-10-09 06:35:21 C 02 29 16.22 +15 06 28.3 19.7 c 704
2004-10-09 06:51:07 C 02 29 15.21 +15 06 23.5 19.7 c 704
2004-10-09 07:06:53 C 02 29 14.20 +15 06 18.0 19.4 c 704