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
2004-10-12 01:46:06 C 02 24 58.40 +14 43 51.1 r 170
2004-10-12 01:50:34 C 02 24 58.03 +14 43 49.6 r 170
2004-10-12 01:52:48 C 02 24 57.88 +14 43 49.3 r 170
2004-10-12 08:03:33 C 02 24 34.25 +14 41 43.8 c 691
2004-10-12 08:42:18 C 02 24 31.67 +14 41 30.5 c 691
2004-10-12 09:21:14 C 02 24 29.07 +14 41 17.0 c 691
2004-10-14 05:56:08 C 02 21 37.40 +14 25 57.3 19.5 c 704
2004-10-14 06:09:38 C 02 21 36.48 +14 25 53.2 19.1 c 704
2004-10-14 06:23:13 C 02 21 35.59 +14 25 48.1 19.7 c 704
2004-10-14 06:36:45 C 02 21 34.65 +14 25 42.5 19.5 c 704
2004-10-15 09:38:26 C 02 19 50.19 +14 16 21.8 m 699
2004-10-15 10:20:30 C 02 19 47.31 +14 16 04.6 m 699
2004-10-20 04:52:49 C 02 12 31.36 +13 36 15.2 19.0 c 704
2004-10-20 05:06:21 C 02 12 30.42 +13 36 10.2 19.3 c 704
2004-10-20 05:19:54 C 02 12 29.55 +13 36 06.1 19.4 c 704
2004-10-20 05:46:59 C 02 12 27.89 +13 35 56.6 19.4 c 704
2004-10-23 05:35:21 C 02 08 02.99 +13 11 13.2 r G70
2004-10-23 06:05:02 C 02 08 01.14 +13 11 03.5 r G70
2004-10-23 06:34:34 C 02 07 59.21 +13 10 52.9 r G70
2004-11-01 14:53:53 C 01 55 27.315 +11 58 48.99 r 413
2004-11-01 15:01:58 C 01 55 26.894 +11 58 46.65 r 413
2004-11-04 05:29:12 C 01 52 23.97 +11 40 34.2 o 699
2004-11-04 05:57:13 C 01 52 22.68 +11 40 25.6 o 699
2004-11-04 06:25:16 C 01 52 21.22 +11 40 18.7 o 699
2004-11-04 06:53:17 C 01 52 19.93 +11 40 09.1 o 699
2004-12-10 02:46:58 C 01 34 09.73 +09 44 00.4 d 291
2004-12-10 03:20:36 C 01 34 09.84 +09 44 00.7 d 291
2004-12-10 04:03:07 C 01 34 09.89 +09 44 00.7 d 291
2005-09-04 13:22:45 C 06 13 24.17 +22 55 00.3 t 568
2005-09-04 13:30:55 C 06 13 24.39 +22 55 00.1 t 568
2005-09-04 13:39:04 C 06 13 24.60 +22 55 00.0 t 568
2005-11-04 12:04:40 C 06 22 19.96 +22 39 08.9 b 568
2005-11-04 12:08:39 C 06 22 19.88 +22 39 08.8 b 568
2005-11-04 12:12:34 C 06 22 19.81 +22 39 08.9 b 568
2005-11-05 12:55:35 C 06 21 52.13 +22 39 11.1 b 568
2005-11-05 12:59:33 C 06 21 52.05 +22 39 11.2 b 568
2005-11-05 13:03:24 C 06 21 51.98 +22 39 11.1 b 568
2008-02-01 06:33:40 C 10 37 11.31 +07 27 40.2 o 691
2008-02-08 05:44:45 C 10 31 05.40 +08 02 08.4 o 691
2008-02-08 06:10:04 C 10 31 04.32 +08 02 14.1 o 691
2008-02-08 06:35:25 C 10 31 03.35 +08 02 20.0 o 691
2008-03-07 05:45:48 C 09 58 57.50 +11 03 06.0 r G96
2008-03-07 05:46:34 C 09 58 57.43 +11 03 06.2 r G96
2008-03-07 05:55:26 C 09 58 57.00 +11 03 08.7 r G96
2008-03-07 05:56:13 C 09 58 56.96 +11 03 09.0 r G96
2008-03-07 06:05:04 C 09 58 56.49 +11 03 11.3 r G96
2008-03-07 06:05:50 C 09 58 56.46 +11 03 11.8 r G96
2008-03-07 06:14:40 C 09 58 55.99 +11 03 14.1 r G96
2008-03-07 06:15:27 C 09 58 55.95 +11 03 14.5 r G96
2008-03-08 05:45:00 C 09 57 45.83 +11 09 41.8 c 711