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AstDyS ∴ Objects ∴ 1999JR4 ∴ Summary
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(101804) 1999JR4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.21242 8.59e-09 au
e 0.086158 4.058e-08
i 8.578 4.804e-06 deg
Ω 46.525 2.788e-05 deg
ω 202.668 3.923e-05 deg
M 185.811 2.747e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0218 au
Aphelion 2.403 au
Asc. node-Earth separation 1.39583 au
Desc. node-Earth separation 1.02515 au
Earth MOID 1.01117 au
Orbital period 1201.99 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 813 (11)
Radar observations (Discarded) 0 (0)
Arc length 9011.88 days
Unobserved 97 days

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Ephemeris at epoch 60419 MJD
Right Ascension 61.8619 deg
Declination 24.4811 deg
V Magnitude 21.73 mag
Solar Elongation -35.58 deg
Galactic Latitude -20.02 deg
Rate 0.437 deg/day
Direction 77.075 deg

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