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Occultation event

Vanth (Orcus/1)

Orcus/1TNO> PlutinoSatellite
event on 2014-03-01
280
Radius (km)
Geometric albedo
1
Positive chords
Japan
Observed from
Size — to scalevs Pluto
VANTH (ORCUS/1) · R 280 KMPLUTO · R 1188 KM
Vanth (Orcus/1) — this objectPluto — comparison
Physical properties
Radius eq. (km)> 280
Equivalent radius (km)
Oblateness
Axis ratios (b/a · c/a)
Density (g/cm³)
ShapeUndetermined
Albedo (V)
Orbit — top viewheliocentric
Neptune 30 AU
39.36
a (AU)
0.22
e
20.59
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2014-03-01
Observed fromJapan
Positive chords1 // radius lower limit
KindSatellite
Delta (au)47.14
Star G mag.11.3
Object G mag.19.09
Astrometryfeeds NIMA ephemeris
Position Date (JD)
RA position
Error RA·cos(δ) (mas)
DEC position
Error DEC (mas)
Atmosphere
Pressure (nbar)no
Atm. gas
Reference & provenance
Lucky Star projectYes
Referenceprelim.
DOI
CommentSatellite dection only
Vanth (Orcus/1) occultation — 2014-03-01 · SOSB / Lucky Star