AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998SD4 ∴ Summary
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(152704) 1998SD4  ▹ 
SUMMARY
Keplerian elements at epoch
58200.0 MJD
Value 1-σ variation Units
a 1.51479 3.737e-09 au
e 0.125358 7.651e-08
i 13.673 9.387e-06 deg
Ω 181.8 2.017e-05 deg
ω 144.141 3.501e-05 deg
M 194.813 2.683e-05 deg

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Other useful info
Absolute Magnitude (H)    18.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.3249 au
Aphelion 1.7047 au
Asc. node-Earth separation 0.66307 au
Desc. node-Earth separation 0.3499 au
Earth MOID 0.33454 au
Orbital period 680.968 days
Date of orbit computation  Jun 1 23:08
Observational summary
Optical observations (Discarded) 222 (1)
Radar observations (Discarded) 0 (0)
Arc length 7101.83 days
Unobserved 206 days

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Ephemeris at epoch 58381 MJD
Right Ascension 216.1 deg
Declination -5.56295 deg
V Magnitude 22.1 mag
Solar Elongation -39.64 deg
Galactic Latitude 50.33 deg
Rate 0.693 deg/day
Direction 106.85 deg

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