AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001QR251 ∴ Summary
Contact »
(109539) 2001QR251  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.03334 2.053e-08 au
e 0.071356 4.785e-08
i 9.185 4.855e-06 deg
Ω 178.073 2.578e-05 deg
ω 139.643 3.874e-05 deg
M 99.502 2.914e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.8169 au
Aphelion 3.2498 au
Asc. node-Earth separation 2.19609 au
Desc. node-Earth separation 1.85882 au
Earth MOID 1.81179 au
Orbital period 1929.66 days
Date of orbit computation  apr 23 20:11
Observational summary
Optical observations (Discarded) 824 (7)
Radar observations (Discarded) 0 (0)
Arc length 11776.8 days
Unobserved 132 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 60.3765 deg
Declination 13.712 deg
V Magnitude 21.21 mag
Solar Elongation -26.94 deg
Galactic Latitude -28.41 deg
Rate 0.359 deg/day
Direction 78.027 deg

More info »