AstDyS-2

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AstDyS ∴ Objects ∴ 1998HR99 ∴ Summary
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(91120) 1998HR99  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.71892 1.234e-08 au
e 0.066654 5.264e-08
i 4.896 5.259e-06 deg
Ω 162.523 4.862e-05 deg
ω 33.57 5.64e-05 deg
M 300.281 3.023e-05 deg

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Other useful info
Absolute Magnitude (H)    15.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5377 au
Aphelion 2.9001 au
Asc. node-Earth separation 1.57333 au
Desc. node-Earth separation 1.85821 au
Earth MOID 1.53845 au
Orbital period 1637.54 days
Date of orbit computation  apr 23 20:06
Observational summary
Optical observations (Discarded) 1492 (138)
Radar observations (Discarded) 0 (0)
Arc length 10363 days
Unobserved 69 days

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Ephemeris at epoch 60425 MJD
Right Ascension 114.803 deg
Declination 19.226 deg
V Magnitude 20.43 mag
Solar Elongation -78.41 deg
Galactic Latitude 18.91 deg
Rate 0.283 deg/day
Direction 93.803 deg

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