Haumea

2003 EL61TNO> Hot C.Satellite

event on 2025-03-16

798

Radius (km)

0.51

Geometric albedo

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

43.35

a (AU)

0.19

28.21

i (deg)

Occultation record

Event date2025-03-16

Observed fromUnited States of America

Positive chords1 // radius lower limit

KindMain

Delta (au)49.1957

Star G mag.17.6

Object G mag.17.4

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—

Linkhttps://lesia.obspm.fr/lucky-star/occ.php?p=144652

Commenthttps://arxiv.org/pdf/2503.16142