AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009YJ21 ∴ Summary
Contact »
2009YJ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.925 4.37e-08 au
e 0.117744 8.55e-08
i 10.288 9.693e-06 deg
Ω 97.1 4.118e-05 deg
ω 49.566 6.756e-05 deg
M 279.436 4.972e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5806 au
Aphelion 3.2694 au
Asc. node-Earth separation 1.69718 au
Desc. node-Earth separation 2.1062 au
Earth MOID 1.6076 au
Orbital period 1827.2 days
Date of orbit computation  feb 22 07:42
Observational summary
Optical observations (Discarded) 134 (0)
Radar observations (Discarded) 0 (0)
Arc length 5055.03 days
Unobserved 179 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 48.6936 deg
Declination 12.7754 deg
V Magnitude 22.81 mag
Solar Elongation -21.23 deg
Galactic Latitude -37.07 deg
Rate 0.389 deg/day
Direction 70.587 deg

More info »