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
2008-03-08 06:01:32 C 09 57 45.00 +11 09 47.9 c 711
2008-03-08 06:18:02 C 09 57 44.24 +11 09 52.6 c 711
2008-04-12 03:35:29 C 09 29 05.89 +13 50 03.8 r G96
2008-04-12 03:43:30 C 09 29 05.82 +13 50 05.3 r G96
2008-04-12 03:51:31 C 09 29 05.74 +13 50 06.0 r G96
2008-04-12 03:59:29 C 09 29 05.53 +13 50 06.0 r G96
2013-09-29 10:22:35 C 04 09 37.52 +20 57 17.1 q G96
2013-09-29 10:37:55 C 04 09 37.23 +20 57 18.1 q G96
2013-09-29 10:53:15 C 04 09 36.89 +20 57 17.2 q G96
2013-09-29 11:08:32 C 04 09 36.53 +20 57 16.4 q G96
2013-10-09 09:41:03 C 04 03 03.91 +20 36 34.5 q G96
2013-10-09 09:50:35 C 04 03 03.56 +20 36 33.2 q G96
2013-10-09 10:00:08 C 04 03 03.21 +20 36 32.6 q G96
2013-10-09 10:09:42 C 04 03 02.89 +20 36 31.6 q G96
2013-10-16 10:46:51 C 03 56 30.71 +20 15 42.6 q G96
2013-10-16 10:54:21 C 03 56 30.37 +20 15 41.4 q G96
2013-10-16 11:01:53 C 03 56 30.11 +20 15 40.3 q G96
2013-10-16 11:09:24 C 03 56 29.66 +20 15 39.2 q G96
2013-10-25 05:48:14 C 03 46 34.82 +19 42 45.8 o 691
2013-10-25 06:13:45 C 03 46 33.50 +19 42 41.6 o 691
2013-10-25 06:39:16 C 03 46 32.15 +19 42 37.6 o 691
2013-10-25 11:51:50 C 03 46 15.89 +19 41 43.0 q G96
2013-10-25 11:57:52 C 03 46 15.56 +19 41 42.0 q G96
2013-10-25 12:03:52 C 03 46 15.29 +19 41 40.5 q G96
2013-10-25 12:09:52 C 03 46 14.98 +19 41 40.1 q G96
2013-11-01 13:21:44 C 03 37 18.173 +19 10 23.81 L F51
2013-11-01 13:39:26 C 03 37 17.189 +19 10 20.26 L F51
2013-11-01 13:55:59 C 03 37 16.262 +19 10 17.08 L F51
2013-11-02 05:05:57 C 03 36 27.18 +19 07 18.1 o 691
2013-11-02 05:31:32 C 03 36 25.72 +19 07 13.0 o 691
2013-11-02 05:57:05 C 03 36 24.31 +19 07 08.3 o 691
2013-11-09 05:03:52 C 03 27 14.12 +18 33 14.9 o 691
2013-11-09 05:30:08 C 03 27 12.65 +18 33 09.6 o 691
2013-11-09 05:55:38 C 03 27 11.25 +18 33 04.4 o 691
2013-11-09 08:43:38 C 03 27 01.84 +18 32 29.4 q G96
2013-11-09 08:54:06 C 03 27 01.27 +18 32 27.4 q G96
2013-11-09 09:04:33 C 03 27 00.68 +18 32 25.4 q G96
2013-11-09 09:15:02 C 03 27 00.08 +18 32 22.9 q G96
2013-11-10 06:18:44 C 03 25 51.35 +18 28 00.4 q G96
2013-11-10 06:22:33 C 03 25 51.15 +18 27 59.6 q G96
2013-11-10 06:26:25 C 03 25 50.93 +18 27 58.8 q G96
2013-11-10 06:32:35 C 03 25 50.58 +18 27 57.3 q G96
2013-11-29 03:59:49 C 03 03 29.79 +16 57 30.3 q G96
2013-11-29 04:09:36 C 03 03 29.37 +16 57 28.9 q G96
2013-11-29 04:22:36 C 03 03 28.86 +16 57 27.0 q G96
2013-11-29 04:37:16 C 03 03 28.23 +16 57 24.2 q G96
2017-01-02 14:01:34 C 11 47 45.487 +00 20 57.50 L F51
2017-01-02 14:18:29 C 11 47 45.846 +00 20 54.72 L F51
2017-01-02 14:52:26 C 11 47 46.597 +00 20 49.35 L F51
2017-02-21 04:47:46 C 11 45 53.61 +00 16 31.8 V G45