AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999AD21 ∴ Summary
Contact »
(101565) 1999AD21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.44433 7.023e-09 au
e 0.086404 2.921e-08
i 4.981 4.348e-06 deg
Ω 354.741 3.68e-05 deg
ω 85.941 4.568e-05 deg
M 242.91 2.733e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2331 au
Aphelion 2.6555 au
Asc. node-Earth separation 1.40693 au
Desc. node-Earth separation 1.44662 au
Earth MOID 1.25579 au
Orbital period 1395.85 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 1999 (180)
Radar observations (Discarded) 0 (0)
Arc length 8955.02 days
Unobserved 301 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 340.393 deg
Declination -10.8492 deg
V Magnitude 20.45 mag
Solar Elongation 51.32 deg
Galactic Latitude -55.42 deg
Rate 0.399 deg/day
Direction 67.04 deg

More info »