Capella 18

American synthetic aperture radar satellite. Capella 18 was launched on January 11, 2026 aboard a Falcon 9 from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 2026-004YNORAD 67385United States

Identity

Name in GCAT: Capella 18
Payload designation: Acadia-8
International designator: 2026-004Y
NORAD catalog number: 67385
GCAT identifier: S67385

Mission

Mission type: Radar imaging
Use: Commercial
Program: Capella
Owner: Capella Space
Country: United States
Builder: Capella Space Corp.
Platform (bus): Acadia

Launch

Date: January 11, 2026 · 13:44 UTC
Launch record: 2026-004Success
Rocket: Falcon 9
Spaceport: Vandenberg · pad SLC4E

Orbit and fate

Orbit class (GCAT): LEO/S
Perigee: 600 km
Apogee: 604 km
Inclination: 97.80°
Status: In orbit
Last known active: Jan 11, 2026

Size

Mass: 180 kg
Dry mass: 150 kg
Length: 0.5 m
Diameter: 0.30 m
Span: 3.5 m

Launched together

Umbra 12Radar imaging · Umbra Labs PandoraRadar imaging · RNAF BlackCATCommunications · Kepler Comms SPARCSCommunications · Kepler Comms Capella 19Radar imaging · Capella Space

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q140850636 (CC0).