2018 HQ1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4614957000
Semi-major axis (a)1.9704764000 AU
Inclination (i)5.47904000°
Long. of Asc. Node (Ω)53.22232000°
Arg. of Perihelion (ω)199.93668000°
Mean Anomaly (M)253.90857000°
Mean Motion (n)0.3563257600°/day
Perihelion dist (q)1.06111000 AU
Aphelion dist (Q)2.87984280 AU
Orbital Period2.76602980 yr
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.340″
Uncertainty6
Orbit TypeAmor
MOID0.054174 AU
Observations Used57
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-05-23
Observations (57)
Date Type RA Dec Mag Band Observatory
2018-05-12 06:41:11 C 16 40 35.62 -21 11 27.3 U I52
2018-05-12 06:44:06 C 16 40 36.98 -21 11 41.2 U I52
2018-05-23 13:31:18 C 19 23 10.633 -39 02 43.55 V T12
2018-05-23 13:32:08 C 19 23 11.166 -39 02 45.27 V T12
2018-05-23 13:34:58 C 19 23 12.919 -39 02 51.32 V T12
2018-05-23 13:35:48 C 19 23 13.457 -39 02 53.30 V T12
2018-05-23 13:38:48 C 19 23 15.319 -39 02 59.74 V T12