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Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998RO4 ∴ Summary
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(27031) 1998RO4  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 2.13977 1.096e-08 au
e 0.424878 6.521e-08
i 5.355 9.858e-06 deg
Ω 191.905 7.75e-05 deg
ω 111.758 7.967e-05 deg
M 340.972 2.517e-05 deg

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Other useful info
Absolute Magnitude (H)    17.8 mag
Slope parameter (G)    0.15 mag
Perihelion 1.2306 au
Aphelion 3.0489 au
Asc. node-Earth separation 1.08184 au
Desc. node-Earth separation 0.51585 au
Earth MOID 0.23642 au
Orbital period 1143.27 days
Date of orbit computation   Nov 18 15:07
Observational summary
Optical observations (Discarded) 190 (3)
Radar observations (Discarded) 0 (0)
Arc length 23562 days
Unobserved 392 days

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Ephemeris at epoch 57838 MJD
Right Ascension 320.722 deg
Declination -11.2629 deg
V Magnitude 20.92 mag
Solar Elongation 45.87 deg
Galactic Latitude -38.67 deg
Rate 0.939 deg/day
Direction 72.088 deg

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