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AstDyS ∴ Objects ∴ 1999UN21 ∴ Summary
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(264329) 1999UN21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31151 1.233e-08 au
e 0.112552 1.836e-07
i 1.722 1.324e-05 deg
Ω 216.937 0.0002784 deg
ω 165.901 0.0002835 deg
M 349.259 5.17e-05 deg

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Other useful info
Absolute Magnitude (H)    18.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0513 au
Aphelion 2.5717 au
Asc. node-Earth separation 1.5551 au
Desc. node-Earth separation 1.0655 au
Earth MOID 1.05454 au
Orbital period 1283.63 days
Date of orbit computation  feb 22 02:46
Observational summary
Optical observations (Discarded) 101 (0)
Radar observations (Discarded) 0 (0)
Arc length 8178.05 days
Unobserved 774 days

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Ephemeris at epoch 60419 MJD
Right Ascension 18.5926 deg
Declination 8.31822 deg
V Magnitude 22.78 mag
Solar Elongation 8.8 deg
Galactic Latitude -54.12 deg
Rate 0.558 deg/day
Direction 68.522 deg

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