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AstDyS ∴ Objects ∴ 1998XD4 ∴ Summary
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(439853) 1998XD4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.2806 9.67e-09 au
e 0.193416 7.162e-08
i 4.301 6.675e-06 deg
Ω 226.301 7.342e-05 deg
ω 170.743 7.717e-05 deg
M 144.757 1.948e-05 deg

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Other useful info
Absolute Magnitude (H)    18.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8395 au
Aphelion 2.7217 au
Asc. node-Earth separation 1.70405 au
Desc. node-Earth separation 0.85358 au
Earth MOID 0.84712 au
Orbital period 1257.97 days
Date of orbit computation  feb 22 03:23
Observational summary
Optical observations (Discarded) 241 (2)
Radar observations (Discarded) 0 (0)
Arc length 9826.85 days
Unobserved 462 days

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Ephemeris at epoch 60420 MJD
Right Ascension 186.694 deg
Declination -6.51723 deg
V Magnitude 22.21 mag
Solar Elongation -158.4 deg
Galactic Latitude 55.83 deg
Rate 0.219 deg/day
Direction -58.793 deg

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