NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998US18 ∴ Summary
Contact »
1998US18  ▹ 
SUMMARY
Keplerian elements at epoch
58600.0 MJD
Value 1-σ variation Units
a 2.62718 0.02455 au
e 0.680486 0.004625
i 9.687 0.04468 deg
Ω 207.306 0.08449 deg
ω 115.412 0.1156 deg
M 302.513 29.23 deg

More info »
Other useful info
Absolute Magnitude (H)    20.7 mag
Slope parameter (G)    0.15 mag
Perihelion 0.8394 au
Aphelion 4.4149 au
Asc. node-Earth separation 0.98846 au
Desc. node-Earth separation 0.09622 au
Earth MOID 0.03215 au
Orbital period 1555.37 days
Date of orbit computation   May 25 10:42
Observational summary
Optical observations (Discarded) 23 (0)
Radar observations (Discarded) 0 (0)
Arc length 14 days
Unobserved 7527 days

More info »
Ephemeris at epoch 58653 MJD
Right Ascension 170.069 deg
Declination 1.84018 deg
V Magnitude 25.61 mag
Solar Elongation -82.96 deg
Galactic Latitude 56.59 deg
Rate 0.162 deg/day
Direction 96.307 deg

More info »





This Web Site has been visited 840313 times since

and this Page has been visited 4020 times since 2011/06/24