AstDyS-2

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AstDyS ∴ Objects ∴ 1998SD4 ∴ Summary
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(152704) 1998SD4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.51489 3.044e-09 au
e 0.125254 5.872e-08
i 13.672 5.857e-06 deg
Ω 181.777 1.365e-05 deg
ω 144.115 2.573e-05 deg
M 277.845 2.289e-05 deg

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Other useful info
Absolute Magnitude (H)    18.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.3251 au
Aphelion 1.7046 au
Asc. node-Earth separation 0.66313 au
Desc. node-Earth separation 0.35139 au
Earth MOID 0.33574 au
Orbital period 681.04 days
Date of orbit computation  apr 23 20:20
Observational summary
Optical observations (Discarded) 423 (2)
Radar observations (Discarded) 0 (0)
Arc length 8739.89 days
Unobserved 612 days

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Ephemeris at epoch 60425 MJD
Right Ascension 281.511 deg
Declination 0.18512 deg
V Magnitude 20.46 mag
Solar Elongation 110.53 deg
Galactic Latitude 1.28 deg
Rate 0.545 deg/day
Direction 48.186 deg

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