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AstDyS ∴ Objects ∴ 1999RU21 ∴ Summary
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(129840) 1999RU21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58276 1.378e-08 au
e 0.197793 4.092e-08
i 11.918 6.446e-06 deg
Ω 3.744 2.452e-05 deg
ω 314.596 3.133e-05 deg
M 353.424 2.164e-05 deg

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Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0719 au
Aphelion 3.0936 au
Asc. node-Earth separation 1.1773 au
Desc. node-Earth separation 1.88498 au
Earth MOID 1.07868 au
Orbital period 1516.08 days
Date of orbit computation  feb 22 02:17
Observational summary
Optical observations (Discarded) 711 (63)
Radar observations (Discarded) 0 (0)
Arc length 8676.85 days
Unobserved 330 days

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Ephemeris at epoch 60420 MJD
Right Ascension 343.118 deg
Declination -14.9862 deg
V Magnitude 20.43 mag
Solar Elongation 51.73 deg
Galactic Latitude -59.81 deg
Rate 0.515 deg/day
Direction 65.463 deg

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