// optical imaging · 2023

MANTIS

European Earth observation CubeSat. MANTIS was launched on November 11, 2023 aboard a Falcon 9 from Vandenberg. Latest status in GCAT: reentered (orbital decay) (Oct 15, 2025).

COSPAR 2023-174BNORAD 58257United Kingdom

Identity

Name in GCAT: MANTIS
International designator: 2023-174B
NORAD catalog number: 58257
GCAT identifier: S58257
UN registration: ST/SG/SER.E/1174

Mission

Mission type: Optical imaging
Use: Commercial
Program: OpenCosmos UK
Owner: Open Cosmos
Country: United Kingdom
Builder: Open Cosmos Ltd.
Platform (bus): Cubesat 12U

Launch

Date: November 11, 2023 · 18:49 UTC
Launch record: 2023-174Success
Rocket: Falcon 9
Spaceport: Vandenberg · pad SLC4E

Orbit and fate

Orbit class (GCAT): LLEO/S
Perigee: 516 km
Apogee: 533 km
Inclination: 97.48°
Status: Reentered (orbital decay)
Status date: October 15, 2025
Last known active: Nov 11, 2023
End of operations: September 2025

Size

Mass: 14 kg
Dry mass: 14 kg
Length: 0.3 m
Diameter: 0.20 m
Span: 0.5 m

Launched together

VeronikaOptical imaging · TUKE Umbra 08Radar imaging · Umbra Labs Umbra 07Radar imaging · Umbra Labs Barry 1Technology · Rogue Space Hades-DOptical imaging · AMSAT-EA EPIC Hyper-3Optical imaging · AAC ClydeSpace Ymir-1Communications · AAC ClydeSpace

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q137168552 (CC0).