2018 HL1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3627556000
Semi-major axis (a)1.0958500000 AU
Inclination (i)19.30488000°
Long. of Asc. Node (Ω)32.59762000°
Arg. of Perihelion (ω)78.95456000°
Mean Anomaly (M)277.58413000°
Mean Motion (n)0.8591665900°/day
Perihelion dist (q)0.69832430 AU
Aphelion dist (Q)1.49337570 AU
Orbital Period1.14716710 yr
Physical Parameters
H (abs. magnitude)23.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.550″
Uncertainty4
Orbit TypeApollo
MOID0.011317 AU
Observations Used53
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-05-09
Observations (59)
Date Type RA Dec Mag Band Observatory
2018-04-26 04:14:32 C 12 42 42.79 -30 46 04.9 U I52
2018-04-26 04:14:43 C 12 42 42.72 -30 46 05.0 U I52
2018-04-27 12:31:19 C 12 31 43.77 -33 39 22.5 q E08
2018-04-27 12:43:43 C 12 31 39.77 -33 40 14.5 q E08
2018-04-27 12:57:27 C 12 31 35.29 -33 41 10.2 q E08
2018-05-09 09:38:21 C 12 06 47.91 -39 58 38.9 U 474
2018-05-09 09:43:25 C 12 06 47.73 -39 58 40.3 U 474
2018-05-09 09:48:29 C 12 06 47.56 -39 58 42.3 U 474
2018-05-09 09:53:34 C 12 06 47.45 -39 58 44.0 U 474