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Otter Pup 2

active
Technology DemonstrationLEOCOSPAR 2025-135KLaunched 6/23/2025
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Mission & Launch
Launch Mission
Transporter-14
Launch Vehicle
Falcon 9 FT5
Launch Date
6/23/2025
Orbit & Mass
Orbit Class
LEO
Altitude
512.5 km
Inclination
97.45 deg
Dry Mass
39 kg
Total Mass
40 kg
Payload Classification
Mission Type
Technology Demonstration
Payload Category
TECH
Payload Class
B
Organizations
Operator
Starfish Space
Manufacturer
Starfish Space
Registry
COSPAR ID
2025-135K
Track
Mentions
8
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

Starfish Space has selected Gilmour Space Technologies as the docking partner for the Otter Pup 2 on-orbit demonstration mission.

RelationshipsValue 4.0Jun 21, 2026Orbital Data Centers, Golden Dome OTAs and a European Space Act Update

Otter Pup 2 launched in June 2025 to demonstrate rendezvous, proximity operations, and docking technologies in low Earth orbit.

Plan
Capability
Value 4.0
Jun 21, 2026
Orbital Data Centers, Golden Dome OTAs and a European Space Act Update

Otter Pup 2 will perform rendezvous and proximity operations with a Gilmour Space ElaraSat M-M-S-1 satellite before a planned docking attempt.

PlanCapabilityValue 4.2Jun 21, 2026Orbital Data Centers, Golden Dome OTAs and a European Space Act Update

Starfish Space is operating the Otter Pup 2 mission.

GeneralValue 3.5Apr 8, 2026Starfish Space Series B Round Raises Over $100 Million

Otter Pup 2 is in orbit and is en route to dock with a partner satellite.

GeneralPlanValue 3.5Apr 7, 2026Starfish Closes $100M+ Series B

Otter Pup 2 launched in 2025 and is currently healthy in space.

GeneralPlanValue 2.8Jan 21, 2026Latest News

Validation of the Nautilus mechanism during the Otter Pup 2 mission will be the final technical gate before the Otter begins its multi-year deorbiting campaign for the Space Force.

PlanCapabilityValue 4.0Jan 21, 2026US Space Force Awards Starfish Space $52.5 Million for Proliferated LEO Deorbit Services

The Otter Pup 2 mission is scheduled to launch in 2025 to perform a commercial satellite docking in Low Earth Orbit by attaching to a D-Orbit ION spacecraft.

PlanGeneralCapabilityRelationshipsValue 5.0Jan 21, 2026US Space Force Awards Starfish Space $52.5 Million for Proliferated LEO Deorbit Services