AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2009PP21 ∴ Summary
Contact »
(414481) 2009PP21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77253 2.767e-08 au
e 0.12774 6.359e-08
i 13.334 9.066e-06 deg
Ω 219.103 2.755e-05 deg
ω 115.474 4.44e-05 deg
M 64.643 3.586e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4184 au
Aphelion 3.1267 au
Asc. node-Earth separation 1.87854 au
Desc. node-Earth separation 1.59367 au
Earth MOID 1.44506 au
Orbital period 1686.22 days
Date of orbit computation  feb 22 03:18
Observational summary
Optical observations (Discarded) 249 (2)
Radar observations (Discarded) 0 (0)
Arc length 8920.09 days
Unobserved 137 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 38.7673 deg
Declination 12.6839 deg
V Magnitude 22.47 mag
Solar Elongation -33.03 deg
Galactic Latitude -42.91 deg
Rate 0.414 deg/day
Direction 76.79 deg

More info »