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AstDyS ∴ Objects ∴ 1998HR61 ∴ Summary
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(55952) 1998HR61  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.1359 2.368e-08 au
e 0.131562 4.93e-08
i 2.119 5.572e-06 deg
Ω 41.407 0.0001187 deg
ω 126.65 0.0001201 deg
M 282.618 2.072e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7233 au
Aphelion 3.5485 au
Asc. node-Earth separation 2.35372 au
Desc. node-Earth separation 1.84903 au
Earth MOID 1.73095 au
Orbital period 2028.35 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 971 (2)
Radar observations (Discarded) 0 (0)
Arc length 12095.2 days
Unobserved 112 days

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Ephemeris at epoch 60427 MJD
Right Ascension 68.3191 deg
Declination 23.0163 deg
V Magnitude 20.82 mag
Solar Elongation -33.24 deg
Galactic Latitude -16.63 deg
Rate 0.351 deg/day
Direction 81.231 deg

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