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
2004-04-18 18:17:15 C 20 27 01.49 -18 36 48.3 r E12
2004-04-18 18:30:16 C 20 27 05.04 -18 36 34.9 r E12
2004-04-18 18:43:19 C 20 27 08.60 -18 36 21.4 r E12
2004-04-18 18:56:31 C 20 27 12.20 -18 36 08.2 r E12
2004-04-18 19:21:05 C 20 27 18.88 -18 35 42.8 r E12
2004-04-18 19:22:42 C 20 27 19.34 -18 35 41.1 r E12
2004-04-18 19:24:21 C 20 27 19.79 -18 35 39.5 r E12
2004-04-18 19:25:59 C 20 27 20.26 -18 35 37.8 r E12
2004-04-18 19:33:25 C 20 27 22.28 -18 35 30.0 r E12
2004-04-19 16:11:53 C 20 33 04.71 -18 13 45.6 r E12
2004-04-19 16:14:38 C 20 33 05.46 -18 13 42.9 r E12
2004-04-19 16:17:18 C 20 33 06.17 -18 13 39.8 r E12
2004-04-19 16:20:01 C 20 33 06.93 -18 13 36.8 r E12
2004-04-19 19:18:53 C 20 33 55.66 -18 10 28.2 r E12
2004-04-19 19:23:57 C 20 33 57.03 -18 10 22.9 r E12
2004-04-19 19:28:58 C 20 33 58.40 -18 10 17.3 r E12
2004-04-19 19:34:01 C 20 33 59.76 -18 10 12.1 r E12
2004-04-20 18:01:17 C 20 40 10.01 -17 45 45.4 r E12
2004-04-20 18:16:03 C 20 40 13.99 -17 45 29.3 r E12
2004-04-20 18:30:54 C 20 40 18.02 -17 45 13.0 r E12
2004-04-20 18:45:45 C 20 40 22.04 -17 44 56.9 r E12
2004-04-20 19:09:10 C 20 40 28.35 -17 44 30.9 r E12
2004-04-20 19:15:49 C 20 40 30.11 -17 44 23.9 r E12
2004-04-20 19:22:25 C 20 40 31.93 -17 44 16.8 r E12
2004-04-20 19:33:57 C 20 40 35.02 -17 44 04.0 r E12
2004-04-20 19:35:36 C 20 40 35.49 -17 44 02.3 r E12
2004-04-23 11:42:42 C 20 57 59.25 -16 30 41.5 d 291
2004-04-23 11:48:26 C 20 58 00.81 -16 30 34.3 d 291
2004-04-23 11:53:54 C 20 58 02.21 -16 30 28.2 d 291
2004-04-24 19:23:55 C 21 06 26.62 -15 52 17.5 r E12
2004-04-24 19:28:52 C 21 06 27.89 -15 52 11.7 r E12
2004-04-25 15:29:05 C 21 11 45.50 -15 27 30.8 r 474
2004-04-25 15:31:06 C 21 11 46.07 -15 27 28.3 r 474
2004-04-25 15:32:24 C 21 11 46.43 -15 27 26.6 r 474
2004-04-25 15:33:34 C 21 11 46.70 -15 27 25.4 r 474
2004-04-25 15:40:15 C 21 11 48.44 -15 27 17.3 r 474
2004-04-30 18:15:12 C 21 43 11.342 -12 49 53.13 r 413
2004-04-30 18:21:11 C 21 43 12.808 -12 49 45.28 r 413
2004-05-05 19:21:44 C 22 12 14.518 -10 08 19.81 r 413
2004-05-05 19:32:33 C 22 12 16.988 -10 08 05.32 r 413
2004-05-20 19:30:09 C 23 26 33.96 -02 26 07.4 r E12
2004-05-30 19:43:06 C 00 07 16.261 +01 59 50.79 r 413
2004-05-30 19:48:31 C 00 07 17.089 +01 59 56.22 r 413
2004-05-31 18:58:56 C 00 10 54.268 +02 23 28.75 r 413
2004-05-31 19:05:25 C 00 10 55.263 +02 23 35.43 r 413
2004-06-07 19:09:13 C 00 35 45.084 +05 03 25.50 r 413
2004-06-07 19:15:42 C 00 35 45.986 +05 03 31.37 r 413
2004-06-22 18:21:22 C 01 21 39.52 +09 44 34.3 r E12
2004-06-22 18:31:16 C 01 21 40.62 +09 44 41.0 r E12
2004-06-22 18:41:13 C 01 21 41.86 +09 44 47.0 r E12