AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1981ED16 ∴ Summary
Contact »
(20980) 1981ED16  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.25753 6.953e-09 au
e 0.143495 3.622e-08
i 3.588 3.98e-06 deg
Ω 267.827 6.041e-05 deg
ω 291.597 6.221e-05 deg
M 238.644 1.647e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9336 au
Aphelion 2.5815 au
Asc. node-Earth separation 1.08429 au
Desc. node-Earth separation 1.35082 au
Earth MOID 0.93461 au
Orbital period 1238.94 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 1398 (13)
Radar observations (Discarded) 0 (0)
Arc length 15700.5 days
Unobserved 79 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 59.172 deg
Declination 21.1671 deg
V Magnitude 20.78 mag
Solar Elongation -25.54 deg
Galactic Latitude -24.12 deg
Rate 0.443 deg/day
Direction 79.848 deg

More info »