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AstDyS ∴ Objects ∴ 1999JR31 ∴ Summary
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(101830) 1999JR31  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.71896 1.135e-08 au
e 0.102198 3.983e-08
i 12.331 5.087e-06 deg
Ω 49.848 1.899e-05 deg
ω 94.79 3.416e-05 deg
M 269.827 2.644e-05 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4411 au
Aphelion 2.9968 au
Asc. node-Earth separation 1.72477 au
Desc. node-Earth separation 1.65777 au
Earth MOID 1.4904 au
Orbital period 1637.58 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 1208 (6)
Radar observations (Discarded) 0 (0)
Arc length 9002.75 days
Unobserved 111 days

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Ephemeris at epoch 60398 MJD
Right Ascension 31.8548 deg
Declination 11.6087 deg
V Magnitude 20.49 mag
Solar Elongation -25.24 deg
Galactic Latitude -47.1 deg
Rate 0.401 deg/day
Direction 65.021 deg

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