AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2003ER31 ∴ Summary
Contact »
(506475) 2003ER31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.05273 3.721e-08 au
e 0.129098 1.818e-07
i 9.573 1.507e-05 deg
Ω 7.073 6.092e-05 deg
ω 129.254 0.0001077 deg
M 2.461 7.706e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6586 au
Aphelion 3.4468 au
Asc. node-Earth separation 2.26811 au
Desc. node-Earth separation 1.77717 au
Earth MOID 1.68433 au
Orbital period 1948.18 days
Date of orbit computation  apr 23 21:38
Observational summary
Optical observations (Discarded) 89 (0)
Radar observations (Discarded) 0 (0)
Arc length 7643.11 days
Unobserved 75 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 127.7 deg
Declination 25.9156 deg
V Magnitude 22.34 mag
Solar Elongation -88.7 deg
Galactic Latitude 32.38 deg
Rate 0.252 deg/day
Direction 119.674 deg

More info »