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AstDyS ∴ Objects ∴ 1999RB209 ∴ Summary
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(21767) 1999RB209  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.15317 1.497e-08 au
e 0.15904 4.248e-08
i 7.603 4.871e-06 deg
Ω 319.601 2.726e-05 deg
ω 59.811 3.113e-05 deg
M 134.577 1.397e-05 deg

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Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6517 au
Aphelion 3.6547 au
Asc. node-Earth separation 1.83271 au
Desc. node-Earth separation 2.35463 au
Earth MOID 1.66366 au
Orbital period 2045.13 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 1966 (128)
Radar observations (Discarded) 0 (0)
Arc length 15109.8 days
Unobserved 37 days

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Ephemeris at epoch 60426 MJD
Right Ascension 154.469 deg
Declination 5.82289 deg
V Magnitude 19.74 mag
Solar Elongation -118.2 deg
Galactic Latitude 47.75 deg
Rate 0 deg/day
Direction 5.933 deg

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