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Occultation event

Haumea

2003 EL61TNO> Hot C.
event on 2025-12-15
798
Radius (km)
0.51
Geometric albedo
2
Positive chords
United States of America
Observed from
3D modelHaumea · interactive
Downloads 2.5 MB

Model of the occulting body, not a product of this event — a reconstruction, not a direct measurement. The values below are what this occultation measured.

Size — to scalevs Pluto
HAUMEA · R 798 KMPLUTO · R 1188 KM
Haumea — this objectPluto — comparison
Physical properties
Radius eq. (km)
Equivalent radius (km)798 ± 6
Oblateness
Axis ratios (b/a · c/a)
Density (g/cm³)1.885 ± 0.08
ShapeJacobi
Albedo (V)0.51 ± 0.02
Orbit — top viewheliocentric
Neptune 30 AU
43.35
a (AU)
0.19
e
28.21
i (deg)
Occultation record
each line — one station saw the star vanish
Event date2025-12-15
Observed fromUnited States of America
Positive chords2
Kind
Delta (au)
Star G mag.
Object G mag.
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
Reference
DOI
Link
Comment
Haumea occultation — 2025-12-15 · SOSB / Lucky Star