409256 (2004 HO1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5214603114 ± 4.17e-08
Semi-major axis (a)2.2067319284 AU ± 1.44e-08
Inclination (i)25.74419126° ± 1.52e-05
Long. of Asc. Node (Ω)43.25378744° ± 9.98e-06
Arg. of Perihelion (ω)265.24629211° ± 2.14e-05
Mean Anomaly (M)177.96807260° ± 2.80e-05
Mean Motion (n)0.3006684842°/day ± 2.93e-09
Perihelion dist (q)1.05600881 AU ± 9.22e-08
Aphelion dist (Q)3.35745505 AU ± 9.45e-08
Orbital Period3.27811638 yr ± 3.20e-08
Physical Parameters
H (abs. magnitude)18.42
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.421″
Uncertainty0
Orbit TypeAmor
MOID0.331610 AU
Observations Used152
Oppositions9
Arc Total2004-2017
First Observation Used2004-04-19
Last Observation Used2017-05-22
Observations (175)
Date Type RA Dec Mag Band Observatory
2004-05-02 02:48:31 C 15 02 35.09 -18 06 53.0 r 859
2004-05-02 02:50:03 C 15 02 34.82 -18 06 55.5 r 859
2004-05-02 02:51:36 C 15 02 34.73 -18 06 58.5 r 859
2004-05-02 07:40:49 C 15 02 05.52 -18 13 49.0 c 926
2004-05-02 07:43:51 C 15 02 05.19 -18 13 54.7 c 926
2004-05-02 07:46:43 C 15 02 04.88 -18 13 59.4 c 926
2004-05-07 05:36:35 C 14 48 59.41 -21 07 23.5 r 649
2004-05-07 05:39:08 C 14 48 59.10 -21 07 27.4 r 649
2004-05-07 05:41:40 C 14 48 58.76 -21 07 31.6 r 649
2004-05-07 05:44:15 C 14 48 58.45 -21 07 35.7 r 649
2004-05-10 11:47:37 C 14 38 57.04 -23 12 09.6 r E14
2004-05-10 11:51:50 C 14 38 56.45 -23 12 16.6 r E14
2004-05-10 11:56:02 C 14 38 55.87 -23 12 23.6 r E14
2004-05-12 11:03:33 C 14 32 21.67 -24 30 59.7 r E14
2004-05-12 11:08:48 C 14 32 20.87 -24 31 08.6 r E14
2004-05-12 11:14:02 C 14 32 20.11 -24 31 17.4 r E14
2004-05-13 06:27:54 C 14 29 32.16 -25 04 17.4 17.3 c 644
2004-05-13 06:59:45 C 14 29 27.31 -25 05 11.8 17.2 c 644
2004-05-13 07:40:16 C 14 29 21.16 -25 06 20.6 17.7 c 644
2004-05-14 14:33:35 C 14 24 43.82 -25 59 03.7 r E14
2004-05-14 14:36:53 C 14 24 43.32 -25 59 09.2 r E14
2004-05-14 14:40:12 C 14 24 42.83 -25 59 14.5 r E14
2004-05-20 09:55:48 C 14 02 08.16 -30 03 34.6 r 428
2004-05-20 09:58:14 C 14 02 07.64 -30 03 39.0 r 428
2004-05-20 10:00:39 C 14 02 07.29 -30 03 43.1 r 428
2004-05-20 10:03:02 C 14 02 06.83 -30 03 46.8 r 428
2004-06-07 09:00:37 C 12 43 12.719 -41 34 34.78 r 413
2004-06-07 09:06:36 C 12 43 11.593 -41 34 42.87 r 413
2004-06-12 12:03:06 C 12 21 32.04 -44 11 53.4 r E17
2004-06-12 12:07:24 C 12 21 31.28 -44 12 00.0 r E17
2004-06-12 12:11:44 C 12 21 30.49 -44 12 05.0 r E17
2004-07-16 08:41:18 C 10 33 01.55 -57 19 21.0 r 413
2004-07-16 08:43:58 C 10 33 01.24 -57 19 23.5 r 413
2004-07-16 08:46:38 C 10 33 00.95 -57 19 25.9 r 413
2004-07-18 07:48:59 C 10 27 39.05 -58 00 45.1 r 474
2004-07-18 07:54:40 C 10 27 38.43 -58 00 49.4 r 474
2004-07-18 07:57:19 C 10 27 38.07 -58 00 52.0 r 474
2004-07-18 08:00:19 C 10 27 37.74 -58 00 54.2 r 474
2004-07-18 08:03:00 C 10 27 37.36 -58 00 56.5 r 474
2004-08-25 17:53:41 C 07 47 25.09 -70 43 06.3 c 474
2004-08-25 17:55:52 C 07 47 24.44 -70 43 07.6 c 474
2004-08-25 17:58:01 C 07 47 23.90 -70 43 09.3 c 474
2004-08-25 18:00:02 C 07 47 22.78 -70 43 11.7 c 474
2004-09-28 15:13:11 C 02 16 13.04 -61 17 03.5 c 474
2004-09-28 15:17:03 C 02 16 11.89 -61 16 54.3 c 474
2004-09-28 15:20:11 C 02 16 10.99 -61 16 46.6 c 474
2004-10-02 17:48:11 C 01 51 04.55 -56 47 55.5 r E17
2004-10-02 17:52:29 C 01 51 03.80 -56 47 45.1 r E17
2004-10-02 17:56:45 C 01 51 02.73 -56 47 31.7 r E17
2004-10-08 12:54:22 C 01 24 06.32 -49 41 29.7 r E17