2011 HO4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2665830035 ± 5.38e-07
Semi-major axis (a)1.7032828230 AU ± 2.79e-08
Inclination (i)29.31278202° ± 2.44e-05
Long. of Asc. Node (Ω)207.31930127° ± 1.71e-05
Arg. of Perihelion (ω)323.16343609° ± 1.64e-04
Mean Anomaly (M)220.58152118° ± 1.26e-04
Mean Motion (n)0.4433861531°/day ± 1.09e-08
Perihelion dist (q)1.24921657 AU ± 9.17e-07
Aphelion dist (Q)2.15734907 AU ± 9.17e-07
Orbital Period2.22295233 yr ± 5.46e-08
Physical Parameters
H (abs. magnitude)20.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.355″
Uncertainty0
Orbit TypeAmor
MOID0.290642 AU
Observations Used75
Oppositions5
Arc Total2011-2020
First Observation Used2011-04-26
Last Observation Used2020-06-24
Observations (81)
Date Type RA Dec Mag Band Observatory
2020-04-16 13:48:07 C 17 34 34.926 +01 02 12.56 V F52
2020-04-16 14:05:21 C 17 34 35.155 +01 02 51.01 V F52
2020-04-22 14:03:32 C 17 35 54.982 +06 20 31.95 U F51
2020-04-22 14:17:15 C 17 35 54.945 +06 21 01.89 U F51
2020-04-22 14:44:37 C 17 35 54.874 +06 22 01.57 U F51
2020-04-23 11:24:19 C 17 35 55.77 +07 06 51.1 V V06
2020-04-23 11:27:43 C 17 35 55.72 +07 06 58.4 V V06
2020-04-23 11:31:09 C 17 35 55.70 +07 07 05.8 V V06
2020-04-23 11:34:34 C 17 35 55.68 +07 07 13.0 V V06
2020-04-26 14:17:01 C 17 35 36.765 +09 46 59.69 U F51
2020-04-26 14:32:27 C 17 35 36.571 +09 47 32.13 U F51
2020-04-26 14:40:11 C 17 35 36.477 +09 47 48.42 U F51
2020-05-17 13:25:38 C 17 20 39.516 +24 29 56.22 U F52
2020-05-17 14:01:33 C 17 20 37.654 +24 30 42.67 U F52
2020-05-17 14:19:32 C 17 20 36.750 +24 31 05.83 U F52
2020-05-31 06:09:36 C 17 03 31.83 +29 50 28.9 u H21
2020-05-31 06:15:09 C 17 03 31.47 +29 50 32.3 u H21
2020-05-31 06:19:33 C 17 03 31.20 +29 50 35.0 u H21
2020-06-01 06:03:26 C 17 02 14.99 +30 05 22.9 u H21
2020-06-01 06:14:54 C 17 02 14.33 +30 05 30.2 u H21
2020-06-01 06:27:03 C 17 02 13.67 +30 05 37.3 u H21
2020-06-12 05:49:26 C 16 49 03.38 +31 42 35.7 u H21
2020-06-12 05:58:30 C 16 49 02.96 +31 42 37.0 u H21
2020-06-12 06:22:30 C 16 49 01.79 +31 42 40.5 u H21
2020-06-17 05:18:50 C 16 44 01.71 +31 50 29.4 u H21
2020-06-17 05:31:15 C 16 44 01.19 +31 50 29.2 u H21
2020-06-17 05:41:50 C 16 44 00.74 +31 50 29.1 u H21
2020-06-17 05:50:12 C 16 44 00.38 +31 50 29.1 u H21
2020-06-24 05:34:02 C 16 38 21.77 +31 30 16.9 u H21
2020-06-24 05:39:35 C 16 38 21.59 +31 30 15.7 u H21
2020-06-24 05:46:00 C 16 38 21.38 +31 30 14.0 u H21