NEODyS-2

Near Earth Objects - Dynamic Site
NEODyS ∴ Objects ∴ 1998SD15 ∴ Summary
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(162117) 1998SD15  ▹ 
SUMMARY
Keplerian elements
(Epoch 59800.0 MJD)
Value 1-σ variation Units
a 0.93266 2.736e-09 au
e 0.344898 1.668e-07
i 26.798 1.459e-05 deg
Ω 183.925 3.775e-06 deg
ω 35.835 1.17e-05 deg
M 291.525 2.963e-05 deg

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Non-gravitational parameters
Value 1-σ variation Units
A1 N/A N/A au/day2
A2 -1.713e-14 3.796e-15 au/day2
Other useful info
Absolute Magnitude (H)    19.1 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.611 au
Aphelion distance 1.2543 au
Asc. node-Earth separation -0.35392 au
Desc. node-Earth separation 0.13872 au
Earth MOID 0.11121 au
Orbital period 328.991 days
Date of orbit computation   giu 10 12:37

Observational summary
Optical observations (Discarded) 543 (0)
Radar observations (Discarded) 0 (0)
Arc length 7263 days
Unobserved 1456 days

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Ephemeris
(Epoch 59799 MJD)
Right Ascension 124.062 deg
Declination 6.93402 deg
V Magnitude 21.22 mag
Solar Elongation 16.23 deg
Galactic Latitude 22 deg
Rate 1.051 deg/day
Direction 96.771 deg

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