AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001QM257 ∴ Summary
Contact »
(109549) 2001QM257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 5.17693 1.121e-07 au
e 0.078627 7.43e-08
i 22.339 8.805e-06 deg
Ω 16.903 1.368e-05 deg
ω 319.088 4.981e-05 deg
M 350.386 5.389e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    12.2 mag
Slope parameter (G)    0.15 mag
Perihelion 4.7699 au
Aphelion 5.584 au
Asc. node-Earth separation 3.85847 au
Desc. node-Earth separation 4.46909 au
Earth MOID 3.79316 au
Orbital period 4302.36 days
Date of orbit computation  apr 23 20:11
Observational summary
Optical observations (Discarded) 743 (1)
Radar observations (Discarded) 0 (0)
Arc length 8351.96 days
Unobserved 256 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 347.485 deg
Declination -21.9872 deg
V Magnitude 19.88 mag
Solar Elongation 56.56 deg
Galactic Latitude -66.4 deg
Rate 0.193 deg/day
Direction 70.1 deg

More info »