Umbra 11

American synthetic aperture radar satellite. Umbra 11 was launched on November 28, 2025 aboard a Falcon 9 from Vandenberg. Latest status in GCAT: in orbit.

COSPAR 2025-276CLNORAD 66748United States

Identity

Name in GCAT: Umbra-11
Common name: Umbra 11
International designator: 2025-276CL
NORAD catalog number: 66748
GCAT identifier: S66748

Mission

Mission type: Radar imaging
Use: Commercial
Program: Umbra
Owner: Umbra Labs
Country: United States
Builder: Umbra Labs
Platform (bus): Espasat?

Launch

Date: November 28, 2025 · 18:44 UTC
Launch record: 2025-276Success
Rocket: Falcon 9
Spaceport: Vandenberg · pad SLC4E

Orbit and fate

Orbit class (GCAT): LLEO/S
Perigee: 511 km
Apogee: 514 km
Inclination: 97.44°
Status: In orbit
Last known active: Nov 28, 2025

Size

Mass: 84 kg
Dry mass: 79 kg
Length: 0.8 m
Diameter: 0.60 m
Span: 4.0 m

Launched together

Formosat-8AOptical imaging · TASA GENA-OTOptical imaging · Planet W-Series 5Microgravity · Varda Space MICE-1Technology · Rashid Space Ctr

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q138116245 (CC0).