AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998DH9 ∴ Summary
Contact »
(37847) 1998DH9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.64557 1.055e-08 au
e 0.089032 3.901e-08
i 15.104 3.913e-06 deg
Ω 141.679 1.528e-05 deg
ω 53.955 2.647e-05 deg
M 359.613 2.211e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.41 au
Aphelion 2.8811 au
Asc. node-Earth separation 1.50749 au
Desc. node-Earth separation 1.75706 au
Earth MOID 1.44332 au
Orbital period 1571.73 days
Date of orbit computation  apr 23 19:54
Observational summary
Optical observations (Discarded) 1778 (103)
Radar observations (Discarded) 0 (0)
Arc length 10468.2 days
Unobserved 48 days

More info »
Ephemeris at epoch 60440 MJD
Right Ascension 196.842 deg
Declination 15.5769 deg
V Magnitude 18.6 mag
Solar Elongation -135.42 deg
Galactic Latitude 77.87 deg
Rate 0.094 deg/day
Direction -99.493 deg

More info »