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AstDyS ∴ Objects ∴ 1998DR1 ∴ Summary
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(55904) 1998DR1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.86461 1.191e-08 au
e 0.067311 4.072e-08
i 2.569 5.131e-06 deg
Ω 150.262 9.313e-05 deg
ω 264.198 0.0001042 deg
M 217.854 4.41e-05 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6718 au
Aphelion 3.0574 au
Asc. node-Earth separation 1.88283 au
Desc. node-Earth separation 1.8217 au
Earth MOID 1.68478 au
Orbital period 1770.91 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 997 (8)
Radar observations (Discarded) 0 (0)
Arc length 11565 days
Unobserved 295 days

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Ephemeris at epoch 60398 MJD
Right Ascension 287.741 deg
Declination -20.1185 deg
V Magnitude 21.11 mag
Solar Elongation 81.83 deg
Galactic Latitude -13.18 deg
Rate 0.228 deg/day
Direction 81.319 deg

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