AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009HR87 ∴ Summary
Contact »
(516739) 2009HR87  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.72897 4.416e-08 au
e 0.132036 6.878e-08
i 6.377 7.791e-06 deg
Ω 105.155 0.0001199 deg
ω 176.511 0.0001309 deg
M 54.099 5.297e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3686 au
Aphelion 3.0893 au
Asc. node-Earth separation 2.10576 au
Desc. node-Earth separation 1.3525 au
Earth MOID 1.35201 au
Orbital period 1646.63 days
Date of orbit computation  apr 23 21:40
Observational summary
Optical observations (Discarded) 103 (0)
Radar observations (Discarded) 0 (0)
Arc length 5143.29 days
Unobserved 776 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 7.78032 deg
Declination -1.59291 deg
V Magnitude 22.65 mag
Solar Elongation 29.73 deg
Galactic Latitude -64 deg
Rate 0.428 deg/day
Direction 68.795 deg

More info »