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AstDyS ∴ Objects ∴ 1999XQ20 ∴ Summary
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(21988) 1999XQ20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.96725 1.656e-08 au
e 0.063868 5.051e-08
i 10.888 4.691e-06 deg
Ω 54.54 2.522e-05 deg
ω 355.475 4.769e-05 deg
M 267.537 3.928e-05 deg

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Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7777 au
Aphelion 3.1568 au
Asc. node-Earth separation 1.79027 au
Desc. node-Earth separation 2.14506 au
Earth MOID 1.78871 au
Orbital period 1866.93 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 1321 (9)
Radar observations (Discarded) 0 (0)
Arc length 13231.9 days
Unobserved 700 days

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Ephemeris at epoch 60427 MJD
Right Ascension 338.921 deg
Declination -19.3769 deg
V Magnitude 20.1 mag
Solar Elongation 64.03 deg
Galactic Latitude -57.98 deg
Rate 0.309 deg/day
Direction 75.489 deg

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