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AstDyS ∴ Objects ∴ 1998QB4 ∴ Summary
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(178404) 1998QB4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.36068 8.488e-09 au
e 0.225836 5.243e-08
i 5.573 4.82e-06 deg
Ω 79.927 5.909e-05 deg
ω 251.438 6.085e-05 deg
M 17.784 1.395e-05 deg

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Other useful info
Absolute Magnitude (H)    17.1 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8276 au
Aphelion 2.8938 au
Asc. node-Earth separation 1.42954 au
Desc. node-Earth separation 1.07494 au
Earth MOID 0.82594 au
Orbital period 1324.81 days
Date of orbit computation  apr 23 20:27
Observational summary
Optical observations (Discarded) 449 (2)
Radar observations (Discarded) 0 (0)
Arc length 9089.81 days
Unobserved 291 days

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Ephemeris at epoch 60425 MJD
Right Ascension 18.6535 deg
Declination 4.12139 deg
V Magnitude 21.32 mag
Solar Elongation 16.53 deg
Galactic Latitude -58.25 deg
Rate 0.596 deg/day
Direction 67.328 deg

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