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NEODyS ∴ Objects ∴ 1998SS4 ∴ Summary
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1998SS4  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 2.27268 0.002791 au
e 0.512281 0.0006798
i 9.607 0.008772 deg
Ω 180.776 0.002954 deg
ω 174.574 0.001249 deg
M 133.29 3.835 deg

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Other useful info
Absolute Magnitude (H)    21.7 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1084 au
Aphelion 3.4369 au
Asc. node-Earth separation 2.42454 au
Desc. node-Earth separation 0.10787 au
Earth MOID 0.10586 au
Orbital period 1251.43 days
Date of orbit computation   Nov 18 11:43
Observational summary
Optical observations (Discarded) 40 (1)
Radar observations (Discarded) 0 (0)
Arc length 24 days
Unobserved 6742 days

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Ephemeris at epoch 57842 MJD
Right Ascension 152.416 deg
Declination 6.96431 deg
V Magnitude 27.02 mag
Solar Elongation -142.45 deg
Galactic Latitude 46.69 deg
Rate 0.168 deg/day
Direction -55.642 deg

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