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AstDyS ∴ Objects ∴ 1998RJ57 ∴ Summary
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(42739) 1998RJ57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.0776 1.497e-08 au
e 0.099479 4.149e-08
i 2.103 3.885e-06 deg
Ω 158.306 0.0001014 deg
ω 202.237 0.0001035 deg
M 263.147 1.875e-05 deg

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Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7714 au
Aphelion 3.3838 au
Asc. node-Earth separation 2.36604 au
Desc. node-Earth separation 1.78141 au
Earth MOID 1.76818 au
Orbital period 1972.04 days
Date of orbit computation  apr 23 19:55
Observational summary
Optical observations (Discarded) 1521 (4)
Radar observations (Discarded) 0 (0)
Arc length 11769.1 days
Unobserved 261 days

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Ephemeris at epoch 60425 MJD
Right Ascension 273.056 deg
Declination -20.7804 deg
V Magnitude 19.85 mag
Solar Elongation 122.05 deg
Galactic Latitude -1.15 deg
Rate 0.019 deg/day
Direction 51.729 deg

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