2018 HW1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1363020000
Semi-major axis (a)1.0978952000 AU
Inclination (i)6.87379000°
Long. of Asc. Node (Ω)32.04468000°
Arg. of Perihelion (ω)120.86153000°
Mean Anomaly (M)259.13928000°
Mean Motion (n)0.8567670500°/day
Perihelion dist (q)0.94824990 AU
Aphelion dist (Q)1.24754050 AU
Orbital Period1.15038000 yr
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.690″
Uncertainty4
Orbit TypeApollo
MOID0.001181 AU
Observations Used42
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-05-12
Observations (57)
Date Type RA Dec Mag Band Observatory
2018-04-27 19:25:14 C 14 14 45.01 -61 01 38.9 v Q62
2018-04-28 11:21:33 C 14 10 18.30 -61 28 52.5 q E08
2018-04-28 11:34:01 C 14 10 11.40 -61 29 20.5 q E08
2018-04-28 11:46:30 C 14 10 04.50 -61 29 48.7 q E08
2018-05-12 02:06:27 C 13 33 18.75 -62 16 17.2 U 807
2018-05-12 02:13:09 C 13 33 18.03 -62 16 16.5 U 807
2018-05-12 02:19:33 C 13 33 17.31 -62 16 15.6 U 807