AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998YP21 ∴ Summary
Contact »
(216933) 1998YP21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.77942 2.068e-08 au
e 0.136103 5.232e-08
i 12.856 3.809e-06 deg
Ω 297.32 2.972e-05 deg
ω 351.894 4.21e-05 deg
M 354.35 3.464e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4011 au
Aphelion 3.1577 au
Asc. node-Earth separation 1.38798 au
Desc. node-Earth separation 2.16948 au
Earth MOID 1.38535 au
Orbital period 1692.5 days
Date of orbit computation  apr 23 20:35
Observational summary
Optical observations (Discarded) 558 (2)
Radar observations (Discarded) 0 (0)
Arc length 8902.85 days
Unobserved 349 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 317.144 deg
Declination -18.3559 deg
V Magnitude 20.68 mag
Solar Elongation 82.78 deg
Galactic Latitude -38.27 deg
Rate 0.324 deg/day
Direction 63.262 deg

More info »