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AstDyS ∴ Objects ∴ 1999UL9 ∴ Summary
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(21876) 1999UL9  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.45599 8.685e-09 au
e 0.079923 3.123e-08
i 6.124 3.068e-06 deg
Ω 39.874 3.175e-05 deg
ω 196.43 4.286e-05 deg
M 291.208 3.174e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2597 au
Aphelion 2.6523 au
Asc. node-Earth separation 1.65142 au
Desc. node-Earth separation 1.25915 au
Earth MOID 1.24898 au
Orbital period 1405.85 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 2913 (415)
Radar observations (Discarded) 0 (0)
Arc length 23115.8 days
Unobserved 78 days

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Ephemeris at epoch 60419 MJD
Right Ascension 145.461 deg
Declination 20.843 deg
V Magnitude 19.1 mag
Solar Elongation -111.56 deg
Galactic Latitude 46.49 deg
Rate 0.125 deg/day
Direction 138.994 deg

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