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
2017-03-25 05:40:12 C 11 07 07.88 +04 25 21.7 q G96
2017-03-25 05:46:22 C 11 07 07.49 +04 25 24.1 q G96
2017-03-25 05:52:32 C 11 07 07.11 +04 25 26.5 q G96
2017-03-25 05:58:43 C 11 07 06.73 +04 25 29.0 q G96
2017-03-25 13:55:50 C 11 06 38.38 +04 28 35.6 q D29
2017-03-25 14:18:44 C 11 06 36.90 +04 28 43.9 q D29
2017-03-25 14:41:39 C 11 06 35.49 +04 28 53.1 q D29
2017-03-26 07:03:00 C 11 05 36.92 +04 35 16.0 q 703
2017-03-26 07:11:02 C 11 05 36.41 +04 35 19.6 q 703
2017-03-26 07:19:03 C 11 05 35.96 +04 35 21.9 q 703
2017-03-26 07:27:04 C 11 05 35.42 +04 35 25.2 q 703
2017-03-28 10:46:00 C 11 02 33.168 +04 55 21.86 L F51
2017-03-28 11:20:07 C 11 02 31.097 +04 55 34.97 L F51
2017-03-28 11:37:14 C 11 02 30.049 +04 55 41.57 L F51
2017-03-29 07:03:10 C 11 01 21.90 +05 03 08.4 q 703
2017-03-29 07:10:53 C 11 01 21.47 +05 03 11.3 q 703
2017-03-29 07:18:33 C 11 01 21.03 +05 03 14.2 q 703
2017-03-29 07:26:15 C 11 01 20.51 +05 03 17.4 q 703
2017-04-03 00:47:34 C 10 54 54.09 +05 45 46.8 q W34
2017-04-03 01:13:28 C 10 54 52.60 +05 45 54.7 q W34
2017-04-03 01:38:25 C 10 54 51.22 +05 46 05.0 q W34
2017-04-03 02:02:51 C 10 54 49.82 +05 46 13.7 q W34
2017-04-15 04:41:57 C 10 40 49.36 +07 19 56.4 q G96
2017-04-15 04:48:06 C 10 40 49.11 +07 19 58.3 q G96
2017-04-15 04:54:14 C 10 40 48.84 +07 19 59.8 q G96
2017-04-15 05:00:22 C 10 40 48.57 +07 20 01.6 q G96
2017-04-19 20:17:06 C 10 36 47.59 +07 47 47.4 U 130
2017-04-19 20:20:46 C 10 36 47.52 +07 47 48.1 U 130
2017-04-19 20:24:47 C 10 36 47.36 +07 47 49.2 U 130
2017-04-23 03:03:30 C 10 34 29.44 +08 04 17.7 q G96
2017-04-23 03:09:38 C 10 34 29.27 +08 04 18.8 q G96
2017-04-23 03:15:52 C 10 34 29.08 +08 04 19.9 q G96
2017-04-23 03:22:01 C 10 34 28.91 +08 04 21.2 q G96
2017-05-20 12:16:48 C 10 34 15.93 +08 30 24.8 q D29
2017-05-20 12:38:26 C 10 34 16.43 +08 30 23.2 q D29
2017-05-20 13:00:04 C 10 34 16.98 +08 30 20.1 q D29
2017-05-28 04:14:51 C 10 40 04.95 +08 02 48.1 q 703
2017-05-28 04:23:19 C 10 40 05.15 +08 02 45.8 q 703
2017-05-28 04:30:42 C 10 40 05.47 +08 02 45.2 q G96
2017-05-28 04:31:46 C 10 40 05.50 +08 02 44.8 q 703
2017-05-28 04:36:40 C 10 40 05.69 +08 02 43.9 q G96
2017-05-28 04:42:36 C 10 40 05.91 +08 02 42.6 q G96
2017-05-28 04:47:31 C 10 40 06.03 +08 02 40.5 q 703
2017-05-28 04:48:36 C 10 40 06.14 +08 02 40.5 q G96
2017-05-28 12:33:49 C 10 40 24.17 +08 01 12.3 q D29
2017-05-28 12:54:11 C 10 40 24.83 +08 01 09.2 q D29
2017-05-28 13:14:32 C 10 40 25.63 +08 01 04.3 q D29
2017-09-15 05:28:40 C 16 31 29.05 -20 28 23.9 L T08
2017-09-15 05:37:18 C 16 31 31.24 -20 28 28.8 L T08
2017-09-15 05:37:58 C 16 31 31.50 -20 28 29.3 L T08