OTTER

MilitaryLEOSSOPolarUnited States

OTTER is a military satellite, as listed in Jonathan McDowell's GCAT catalogue, with ownership listed as United States in CelesTrak's catalogue, currently in low Earth orbit, around 475 km altitude. It completes one orbit of Earth roughly every 94 minutes at an inclination of 97.4°. It was launched in 2025. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID: 62623
COSPAR ID: 2025-009Q
Type: Military
Orbit: LEO
Perigee (lowest): 475 km
Apogee (highest): 480 km
Inclination: 97.40°
Orbital period: 94 min
Launch year: 2025
Owner (CelesTrak): United States

Orbital data updated: 2026-10-18 · from CelesTrak, refreshed every 2 hours.

Who operates it

United StatesLIVEActive

Technology test

Official description

“The aim of Otter’s collaborative R&D mission is to enable new technological developments to operate in an increasingly complex space environment.”

National Reconnaissance Office, 24 Jan 2025

Independent assessment

GCAT classes it as a military satellite for technology testing and records it as active (17 Oct 2026).

Data: GCAT · CC BY 4.0 Class, mission and status adapted from GCAT by Jonathan McDowell, CC BY 4.0, data update 17 Oct 2026.

Military satellites, counted and explained →

About LEO orbit

Low Earth Orbit. Up to 2,000 km altitude. Where most satellites live including the ISS (~420 km), Starlink (~550 km), and Earth observation. Orbital period roughly 90 minutes.