2011 HO

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6174375910 ± 2.75e-08
Semi-major axis (a)3.2985113148 AU ± 8.65e-08
Inclination (i)13.16520220° ± 6.05e-06
Long. of Asc. Node (Ω)88.28610246° ± 1.10e-05
Arg. of Perihelion (ω)178.05273015° ± 2.97e-05
Mean Anomaly (M)158.92557939° ± 2.30e-05
Mean Motion (n)0.1645262916°/day ± 6.47e-09
Perihelion dist (q)1.26188643 AU ± 9.65e-08
Aphelion dist (Q)5.33513619 AU ± 1.67e-07
Orbital Period5.99069166 yr ± 2.36e-07
Physical Parameters
H (abs. magnitude)19.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.369″
Uncertainty0
Orbit TypeAmor
MOID0.244716 AU
Observations Used163
Oppositions10
Arc Total2011-2023
First Observation Used2011-04-24
Last Observation Used2023-08-19
Observations (168)
Date Type RA Dec Mag Band Observatory
2011-07-10 01:39:50 C 17 49 41.17 -43 19 18.7 o 844
2011-07-18 03:59:33 C 18 26 14.06 -48 54 40.6 o 807
2011-07-18 04:05:32 C 18 26 15.09 -48 54 48.1 o 807
2011-07-18 04:11:32 C 18 26 16.14 -48 54 55.6 o 807
2011-07-18 04:17:32 C 18 26 17.17 -48 55 02.9 o 807
2011-07-20 13:47:44 C 18 36 53.21 -49 59 56.8 u E12
2011-07-20 14:01:29 C 18 36 55.56 -50 00 10.5 u E12
2011-07-26 05:26:55 C 19 00 42.21 -51 42 13.9 o 807
2011-07-26 05:58:38 C 19 00 47.21 -51 42 29.2 o 807
2017-05-01 09:31:01 C 21 15 06.83 -13 37 26.3 u 807
2017-05-01 09:44:24 C 21 15 09.07 -13 37 26.5 u 807
2017-05-01 09:57:21 C 21 15 11.26 -13 37 27.6 u 807
2017-05-24 10:58:31 C 22 42 40.40 -13 42 45.2 o 291
2017-05-24 11:06:04 C 22 42 41.42 -13 42 45.6 o 291
2017-05-24 11:14:09 C 22 42 42.61 -13 42 45.4 o 291
2023-08-19 14:33:07 C 01 44 56.831 -12 05 54.66 X F51
2023-08-19 14:46:16 C 01 44 56.688 -12 05 59.19 X F51
2023-08-19 14:55:31 C 01 44 56.607 -12 06 02.63 X F51