2013 HQ166

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1948603713 ± 5.20e-08
Semi-major axis (a)1.2974083372 AU ± 3.75e-08
Inclination (i)21.93684417° ± 5.05e-05
Long. of Asc. Node (Ω)26.20151170° ± 9.23e-06
Arg. of Perihelion (ω)353.44026527° ± 1.65e-04
Mean Anomaly (M)23.58206265° ± 1.10e-04
Mean Motion (n)0.6669561009°/day ± 2.89e-08
Perihelion dist (q)1.04459487 AU ± 7.39e-08
Aphelion dist (Q)1.55022181 AU ± 8.10e-08
Orbital Period1.47779784 yr ± 6.41e-08
Physical Parameters
H (abs. magnitude)22.59
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.256″
Uncertainty0
Orbit TypeAmor
MOID0.048073 AU
Observations Used57
Oppositions4
Arc Total2013-2025
First Observation Used2013-04-16
Last Observation Used2025-10-30
Observations (61)
Date Type RA Dec Mag Band Observatory
2025-10-27 03:58:45 C 22 21 47.254 +09 14 08.84 V 703
2025-10-28 02:13:42 C 22 18 57.258 +12 44 58.74 V G96
2025-10-28 02:21:58 C 22 18 56.023 +12 46 14.63 V G96
2025-10-28 02:28:14 C 22 18 55.127 +12 47 13.02 V 703
2025-10-28 02:30:13 C 22 18 54.824 +12 47 29.83 V G96
2025-10-28 02:34:53 C 22 18 53.993 +12 48 13.03 V 703
2025-10-28 02:38:12 C 22 18 53.543 +12 48 43.31 V 703
2025-10-28 02:38:29 C 22 18 53.586 +12 48 45.47 V G96
2025-10-30 21:57:41 C 22 11 25.178 +21 54 16.24 X B67
2025-10-30 22:03:27 C 22 11 24.535 +21 54 56.02 X B67
2025-10-30 22:09:03 C 22 11 23.926 +21 55 35.18 X B67