NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998ST4 ∴ Summary
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(333888) 1998ST4  ▹ 
SUMMARY
Keplerian elements at epoch
58000.0 MJD
Value 1-σ variation Units
a 2.81379 2.291e-08 au
e 0.599215 8.074e-08
i 9.301 1.175e-05 deg
Ω 239.311 0.000102 deg
ω 207.046 0.0001034 deg
M 334.821 1.643e-05 deg

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Other useful info
Absolute Magnitude (H)    16.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1277 au
Aphelion 4.4999 au
Asc. node-Earth separation 2.85638 au
Desc. node-Earth separation 0.18892 au
Earth MOID 0.15814 au
Orbital period 1723.99 days
Date of orbit computation   Aug 16 15:34
Observational summary
Optical observations (Discarded) 177 (0)
Radar observations (Discarded) 0 (0)
Arc length 6937 days
Unobserved 3 days

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Ephemeris at epoch 57983 MJD
Right Ascension 8.09584 deg
Declination 19.7811 deg
V Magnitude 19.2 mag
Solar Elongation 128.05 deg
Galactic Latitude -42.86 deg
Rate 0.188 deg/day
Direction 32.544 deg

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