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AstDyS ∴ Objects ∴ 1999JR21 ∴ Summary
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(59522) 1999JR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.3894 6.849e-09 au
e 0.140355 3.24e-08
i 5.584 3.147e-06 deg
Ω 258.423 3.678e-05 deg
ω 68.755 3.872e-05 deg
M 173.925 1.23e-05 deg

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Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.054 au
Aphelion 2.7248 au
Asc. node-Earth separation 1.21353 au
Desc. node-Earth separation 1.48409 au
Earth MOID 1.04999 au
Orbital period 1349.06 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 3185 (16)
Radar observations (Discarded) 0 (0)
Arc length 18073.3 days
Unobserved 37 days

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Ephemeris at epoch 60425 MJD
Right Ascension 126.726 deg
Declination 13.344 deg
V Magnitude 19.43 mag
Solar Elongation -90.83 deg
Galactic Latitude 27.1 deg
Rate 0.193 deg/day
Direction 97.112 deg

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