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AstDyS ∴ Objects ∴ 1999RU221 ∴ Summary
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(25355) 1999RU221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30047 5.247e-09 au
e 0.166597 2.944e-08
i 5.697 2.705e-06 deg
Ω 283.098 3.89e-05 deg
ω 148.278 4.089e-05 deg
M 325.39 1.179e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9172 au
Aphelion 2.6837 au
Asc. node-Earth separation 1.58905 au
Desc. node-Earth separation 0.97646 au
Earth MOID 0.93505 au
Orbital period 1274.45 days
Date of orbit computation  apr 23 19:51
Observational summary
Optical observations (Discarded) 2054 (5)
Radar observations (Discarded) 0 (0)
Arc length 12393.5 days
Unobserved 140 days

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Ephemeris at epoch 60426 MJD
Right Ascension 30.8499 deg
Declination 16.3004 deg
V Magnitude 19.13 mag
Solar Elongation 3.87 deg
Galactic Latitude -43.19 deg
Rate 0.579 deg/day
Direction 70.921 deg

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