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AstDyS ∴ Objects ∴ 1991XR ∴ Summary
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(55758) 1991XR  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.39417 8.854e-09 au
e 0.232764 4.413e-08
i 24.281 6.043e-06 deg
Ω 279.707 1.149e-05 deg
ω 155.839 1.951e-05 deg
M 260.677 1.439e-05 deg

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Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8369 au
Aphelion 2.9514 au
Asc. node-Earth separation 1.85832 au
Desc. node-Earth separation 0.88515 au
Earth MOID 0.86929 au
Orbital period 1353.1 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 1433 (44)
Radar observations (Discarded) 0 (0)
Arc length 11494.6 days
Unobserved 309 days

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Ephemeris at epoch 60397 MJD
Right Ascension 323.387 deg
Declination -3.96592 deg
V Magnitude 19.87 mag
Solar Elongation 43.99 deg
Galactic Latitude -37.48 deg
Rate 0.409 deg/day
Direction 58.498 deg

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