AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998QW28 ∴ Summary
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(312967) 1998QW28  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.07079 6.223e-08 au
e 0.15612 9.441e-08
i 5.003 7.87e-06 deg
Ω 236.158 0.0001168 deg
ω 63.749 0.0001202 deg
M 292.032 2.843e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5914 au
Aphelion 3.5502 au
Asc. node-Earth separation 1.78932 au
Desc. node-Earth separation 2.22976 au
Earth MOID 1.57965 au
Orbital period 1965.5 days
Date of orbit computation  Dec 20 14:48
Observational summary
Optical observations (Discarded) 184 (0)
Radar observations (Discarded) 0 (0)
Arc length 7174.62 days
Unobserved 372 days

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Ephemeris at epoch 58580 MJD
Right Ascension 274.167 deg
Declination -21.7021 deg
V Magnitude 21.13 mag
Solar Elongation 102.76 deg
Galactic Latitude -2.5 deg
Rate 0.18 deg/day
Direction 77.998 deg

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