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AstDyS ∴ Objects ∴ 1999XR18 ∴ Summary
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(25461) 1999XR18  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.57949 9.203e-09 au
e 0.101551 2.843e-08
i 16.33 3.713e-06 deg
Ω 36.695 1.119e-05 deg
ω 331.528 2.211e-05 deg
M 333.251 1.888e-05 deg

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Other useful info
Absolute Magnitude (H)    13.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3175 au
Aphelion 2.8414 au
Asc. node-Earth separation 1.35137 au
Desc. node-Earth separation 1.79658 au
Earth MOID 1.33013 au
Orbital period 1513.21 days
Date of orbit computation  feb 22 01:55
Observational summary
Optical observations (Discarded) 3111 (257)
Radar observations (Discarded) 0 (0)
Arc length 11693.5 days
Unobserved 162 days

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Ephemeris at epoch 60420 MJD
Right Ascension 0.8657 deg
Declination -10.6289 deg
V Magnitude 18.76 mag
Solar Elongation 34.87 deg
Galactic Latitude -70.01 deg
Rate 0.475 deg/day
Direction 64.323 deg

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