AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998SE55 ∴ Summary
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(91191) 1998SE55  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.20727 1.549e-08 au
e 0.059797 4.354e-08
i 14.602 4.728e-06 deg
Ω 359.372 1.197e-05 deg
ω 182.334 2.784e-05 deg
M 332.344 2.48e-05 deg

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Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 3.0155 au
Aphelion 3.3991 au
Asc. node-Earth separation 2.39581 au
Desc. node-Earth separation 2.01992 au
Earth MOID 2.01882 au
Orbital period 2097.98 days
Date of orbit computation  apr 23 20:06
Observational summary
Optical observations (Discarded) 3385 (123)
Radar observations (Discarded) 0 (0)
Arc length 16814.4 days
Unobserved 36 days

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Ephemeris at epoch 60426 MJD
Right Ascension 141.818 deg
Declination 21.9729 deg
V Magnitude 18.5 mag
Solar Elongation -101.21 deg
Galactic Latitude 43.59 deg
Rate 0.148 deg/day
Direction 142.701 deg

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