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AstDyS ∴ Objects ∴ 1998XR49 ∴ Summary
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(251749) 1998XR49  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.56299 2.226e-08 au
e 0.263739 5.648e-08
i 11.212 7.1e-06 deg
Ω 308.111 4.559e-05 deg
ω 132.253 5.794e-05 deg
M 67.221 4.038e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.887 au
Aphelion 3.2389 au
Asc. node-Earth separation 1.88372 au
Desc. node-Earth separation 1.04125 au
Earth MOID 0.92302 au
Orbital period 1498.71 days
Date of orbit computation  feb 22 02:43
Observational summary
Optical observations (Discarded) 571 (3)
Radar observations (Discarded) 0 (0)
Arc length 9168.21 days
Unobserved 90 days

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Ephemeris at epoch 60420 MJD
Right Ascension 161.99 deg
Declination -6.95768 deg
V Magnitude 20.36 mag
Solar Elongation -134.42 deg
Galactic Latitude 44.67 deg
Rate 0.068 deg/day
Direction -36.2 deg

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