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
2017-04-29 14:36:39 C 13 12 47.81 +09 35 14.8 q D29
2017-04-29 14:59:34 C 13 12 45.74 +09 35 06.2 q D29
2017-04-30 07:52:53 C 13 11 16.70 +09 28 30.8 q G96
2017-04-30 08:00:46 C 13 11 16.00 +09 28 27.6 q G96
2017-04-30 08:08:36 C 13 11 15.32 +09 28 24.5 q G96
2017-04-30 08:14:42 C 13 11 14.77 +09 28 22.2 q G96
2017-05-15 04:19:53 C 12 42 33.04 +06 16 09.0 q G96
2017-05-15 04:26:03 C 12 42 32.63 +06 16 04.7 q G96
2017-05-15 04:32:13 C 12 42 32.16 +06 16 00.5 q G96
2017-05-15 04:38:21 C 12 42 31.72 +06 15 56.3 q G96
2017-05-22 05:32:34 C 12 31 42.67 +04 14 13.4 q G96
2017-05-22 05:38:36 C 12 31 42.31 +04 14 09.5 q G96
2017-05-22 05:44:38 C 12 31 41.98 +04 14 03.6 q G96
2017-05-22 05:50:37 C 12 31 41.60 +04 14 00.1 q G96
2017-06-07 16:09:56 S 12 15 58.80 -01 21 53.4 L C51
2017-06-07 19:18:26 S 12 15 54.53 -01 24 46.9 L C51
2017-06-07 22:26:55 S 12 15 50.38 -01 27 40.0 L C51
2017-06-08 01:35:36 S 12 15 46.19 -01 30 35.6 L C51
2017-06-08 03:09:51 S 12 15 44.10 -01 32 02.8 L C51
2017-06-08 04:44:07 S 12 15 42.10 -01 33 29.2 L C51
2017-06-08 06:18:22 S 12 15 40.04 -01 34 57.2 L C51
2017-06-08 07:52:37 S 12 15 37.93 -01 36 24.2 L C51
2017-06-08 09:26:52 S 12 15 36.05 -01 37 50.9 L C51
2017-06-08 12:35:21 S 12 15 32.09 -01 40 45.1 L C51
2017-06-08 15:44:02 S 12 15 28.07 -01 43 40.2 L C51