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Occultation event

Dziewanna

2010 EK139TNO> Resonant
event on 2019-05-17
252
Radius (km)
Geometric albedo
1
Positive chords
Australia
Observed from
Size — to scalevs Pluto
DZIEWANNA · R 252 KMPLUTO · R 1188 KM
Dziewanna — this objectPluto — comparison
Physical properties
Radius eq. (km)> 252
Equivalent radius (km)
Oblateness
Axis ratios (b/a · c/a)
Density (g/cm³)
ShapeUndetermined
Albedo (V)
Orbit — top viewheliocentric
Neptune 30 AU
70.56
a (AU)
0.539
e
29.46
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2019-05-17
Observed fromAustralia
Positive chords1 // radius lower limit
KindMain
Delta (au)35.09
Star G mag.15.3
Object G mag.19.6
Astrometryfeeds NIMA ephemeris
Position Date (JD)
RA position
Error RA·cos(δ) (mas)
DEC position
Error DEC (mas)
Atmosphere
Pressure (nbar)
Atm. gas
Reference & provenance
Lucky Star projectYes
Referencepreliminary
DOI
CommentDean Hooper report
Dziewanna occultation — 2019-05-17 · SOSB / Lucky Star