AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2004RW257 ∴ Summary
Contact »
(198039) 2004RW257  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.3615 1.071e-08 au
e 0.081053 4.086e-08
i 3.765 4.874e-06 deg
Ω 165.15 6.248e-05 deg
ω 254.061 6.984e-05 deg
M 81.746 3.186e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1701 au
Aphelion 2.5529 au
Asc. node-Earth separation 1.40757 au
Desc. node-Earth separation 1.28787 au
Earth MOID 1.18601 au
Orbital period 1325.51 days
Date of orbit computation  feb 22 02:32
Observational summary
Optical observations (Discarded) 489 (9)
Radar observations (Discarded) 0 (0)
Arc length 10559.3 days
Unobserved 90 days

More info »
Ephemeris at epoch 60420 MJD
Right Ascension 133.313 deg
Declination 16.7295 deg
V Magnitude 21.74 mag
Solar Elongation -101 deg
Galactic Latitude 34.28 deg
Rate 0.205 deg/day
Direction 98.623 deg

More info »