AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009BT171 ∴ Summary
Contact »
2009BT171  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.12099 6.15e-08 au
e 0.176421 1.099e-07
i 23.245 1.169e-05 deg
Ω 136.262 2.531e-05 deg
ω 63.486 4.288e-05 deg
M 239.035 3.748e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5704 au
Aphelion 3.6716 au
Asc. node-Earth separation 1.8176 au
Desc. node-Earth separation 2.2687 au
Earth MOID 1.65763 au
Orbital period 2013.9 days
Date of orbit computation  apr 24 01:35
Observational summary
Optical observations (Discarded) 118 (0)
Radar observations (Discarded) 0 (0)
Arc length 5390 days
Unobserved 185 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 62.1582 deg
Declination 3.34671 deg
V Magnitude 22.91 mag
Solar Elongation -30.75 deg
Galactic Latitude -33.56 deg
Rate 0.322 deg/day
Direction 70.758 deg

More info »