AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998QW44 ∴ Summary
Contact »
(173198) 1998QW44  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58325 6.841e-09 au
e 0.279322 3.996e-08
i 3.265 3.229e-06 deg
Ω 298.889 8.378e-05 deg
ω 69.945 8.408e-05 deg
M 43.542 6.915e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8617 au
Aphelion 3.3048 au
Asc. node-Earth separation 1.15705 au
Desc. node-Earth separation 1.65145 au
Earth MOID 0.86397 au
Orbital period 1516.52 days
Date of orbit computation  apr 23 20:25
Observational summary
Optical observations (Discarded) 1140 (106)
Radar observations (Discarded) 0 (0)
Arc length 9357.76 days
Unobserved 71 days

More info »
Ephemeris at epoch 60459 MJD
Right Ascension 88.8848 deg
Declination 24.2793 deg
V Magnitude 21.15 mag
Solar Elongation -21.21 deg
Galactic Latitude -0.48 deg
Rate 0.476 deg/day
Direction 90.909 deg

More info »