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AstDyS ∴ Objects ∴ 1998DY4 ∴ Summary
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(11677) 1998DY4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.21679 5.261e-09 au
e 0.131121 2.823e-08
i 7.229 3.38e-06 deg
Ω 141.205 2.25e-05 deg
ω 137.499 2.586e-05 deg
M 206.604 1.274e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9261 au
Aphelion 2.5075 au
Asc. node-Earth separation 1.42552 au
Desc. node-Earth separation 0.97387 au
Earth MOID 0.91657 au
Orbital period 1205.55 days
Date of orbit computation  apr 23 19:48
Observational summary
Optical observations (Discarded) 2827 (8)
Radar observations (Discarded) 0 (0)
Arc length 16306 days
Unobserved 39 days

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Ephemeris at epoch 60425 MJD
Right Ascension 104.184 deg
Declination 20.9623 deg
V Magnitude 19.67 mag
Solar Elongation -68.3 deg
Galactic Latitude 10.51 deg
Rate 0.332 deg/day
Direction 89.492 deg

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