NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SD15 ∴ Summary
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(162117) 1998SD15  ▹ 
SUMMARY
Keplerian elements at epoch
57800.0 MJD
Value 1-σ variation Units
a 0.93254 5.186e-10 au
e 0.344825 2.586e-07
i 26.799 2.358e-05 deg
Ω 183.946 5.196e-06 deg
ω 35.843 1.036e-05 deg
M 262.76 3.389e-05 deg

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Other useful info
Absolute Magnitude (H)    19.1 mag
Slope parameter (G)    0.15 mag
Perihelion 0.611 au
Aphelion 1.2541 au
Asc. node-Earth separation -0.35505 au
Desc. node-Earth separation 0.13911 au
Earth MOID 0.11158 au
Orbital period 328.927 days
Date of orbit computation   May 15 15:31
Observational summary
Optical observations (Discarded) 496 (8)
Radar observations (Discarded) 0 (0)
Arc length 6642 days
Unobserved 176 days

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Ephemeris at epoch 57897 MJD
Right Ascension 64.602 deg
Declination 49.0419 deg
V Magnitude 22.16 mag
Solar Elongation -28.49 deg
Galactic Latitude -0.97 deg
Rate 1.182 deg/day
Direction -51.176 deg

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