AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998QD28 ∴ Summary
Contact »
(159391) 1998QD28  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.95172 1.956e-08 au
e 0.070058 4.436e-08
i 12.227 5.032e-06 deg
Ω 167.748 2.157e-05 deg
ω 212.597 4.106e-05 deg
M 350.524 3.562e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7449 au
Aphelion 3.1585 au
Asc. node-Earth separation 2.12899 au
Desc. node-Earth separation 1.76717 au
Earth MOID 1.75258 au
Orbital period 1852.3 days
Date of orbit computation  apr 23 20:22
Observational summary
Optical observations (Discarded) 643 (8)
Radar observations (Discarded) 0 (0)
Arc length 9202.82 days
Unobserved 170 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 20.3829 deg
Declination 4.09994 deg
V Magnitude 21.14 mag
Solar Elongation 16.08 deg
Galactic Latitude -57.94 deg
Rate 0.421 deg/day
Direction 72.83 deg

More info »