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Occultation event

Periboea

1999 TZ1Trojan
event on 2021-04-20
Radius (km)
Geometric albedo
1
Positive chords
Germany
Observed from
Size — to scalevs Pluto
PERIBOEA · R KMPLUTO · R 1188 KM
Periboea — 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
5.2
a (AU)
0.041
e
43.4
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2021-04-20
Observed fromGermany
Positive chords1 // radius lower limit
KindMain
Delta (au)4.7875
Star G mag.13.9
Object G mag.17.9
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
CommentReport by B. Kattentidt
Periboea occultation — 2021-04-20 · SOSB / Lucky Star