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Occultation event

Quaoar

2002 LM60TNO> Hot C.Ring
event on 2019-06-05
Radius (km)
Geometric albedo
5
Positive chords
Morocco, Spain
Observed from
Size — to scalevs Pluto
QUAOAR · R KMPLUTO · R 1188 KM
Quaoar — this objectPluto — comparison
Physical properties
Radius eq. (km)
Equivalent radius (km)
Oblateness
Axis ratios (b/a · c/a)
Density (g/cm³)
ShapeUndetermined
Albedo (V)
Orbit — top viewheliocentric
Neptune 30 AU
43.5
a (AU)
0.041
e
8
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2019-06-05
Observed fromMorocco, Spain
Positive chords5
KindMain
Delta (au)41.9516
Star G mag.16.9
Object G mag.18.8
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
ReferenceMorgado, B.E. Nature 614, 239–243, 2023
CommentFour chords from Canary Islands
Quaoar occultation — 2019-06-05 · SOSB / Lucky Star