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Occultation event

1997 TB28

1997 TB28Trojan
event on 2022-02-06
27
Radius (km)
Geometric albedo
1
Positive chords
United Kingdom
Observed from
Size — to scalevs Pluto
1997 TB28 · R 27 KMPLUTO · R 1188 KM
1997 TB28 — this objectPluto — comparison
Physical properties
Radius eq. (km)> 27
Equivalent radius (km)
Oblateness
Axis ratios (b/a · c/a)
Density (g/cm³)
Shape
Albedo (V)
Orbit — top viewheliocentric
Neptune 30 AU
5.197
a (AU)
0.074
e
7.751
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2022-02-06
Observed fromUnited Kingdom
Positive chords1 // radius lower limit
Kind
Delta (au)5.113
Star G mag.13.755
Object G mag.19.408
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 projectNo
ReferencePreliminary
DOI
Comment
1997 TB28 occultation — 2022-02-06 · SOSB / Lucky Star