Schwassmann-Wachmann 1

29PCentaur

event on 2022-12-19

—

Radius (km)

—

Geometric albedo

Positive chords

United States of America

Observed from

Size — to scalevs Pluto

SCHWASSMANN-WACHMANN 1 · R — KMPLUTO · R 1188 KM

Schwassmann-Wachmann 1 — this objectPluto — comparison

Physical properties

Radius eq. (km)—

Equivalent radius (km)—

Oblateness—

Axis ratios (b/a · c/a)—

Density (g/cm³)—

Shape—

Albedo (V)—

Orbit — top viewheliocentric

a (AU)

0.042

9.4

i (deg)

Occultation record

Event date2022-12-19

Observed fromUnited States of America

Positive chords4

Kind—

Delta (au)5.0938

Star G mag.12.9

Object G mag.17.3

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—

Comment—