AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Estens ∴ Summary
Contact »
(4638) Estens  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.1937 5.212e-09 au
e 0.089564 3.149e-08
i 3.508 3.437e-06 deg
Ω 277.095 4.808e-05 deg
ω 260.284 5.253e-05 deg
M 274.773 2.273e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9972 au
Aphelion 2.3902 au
Asc. node-Earth separation 1.19312 au
Desc. node-Earth separation 1.16077 au
Earth MOID 1.00488 au
Orbital period 1186.76 days
Date of orbit computation  feb 22 01:50
Observational summary
Optical observations (Discarded) 3357 (15)
Radar observations (Discarded) 0 (0)
Arc length 24934.9 days
Unobserved 56 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 57.5362 deg
Declination 20.9161 deg
V Magnitude 18.64 mag
Solar Elongation -52.44 deg
Galactic Latitude -25.36 deg
Rate 0.445 deg/day
Direction 79.945 deg

More info »