OSC Publishes Updated TraCSS Specifications
Today, January 22, 2026, the Office of Space Commerce (OSC) published updated specification documents for the Traffic Coordination System for Space.
These specifications replace those previously hosted on the Office of Space Commerce website.
The specifications may be accessed via the links below, or on OSC’s TraCSS Archive webpage.
Questions may be directed to the Office of Space Commerce via email at: TraCSS.Commerce@noaa.gov.
Updated TraCSS Specifications (January 2026):
UPDATD Specifics on TraCSS Satellite Catalog Data Format (TraCSS-Spec-003-TraCSS-Cat-Format-v2.0.5)
UPDATED TraCSS Specifications on Orbit Mean-Elements Message Data Format (TraCSS-Spec-004_v1.2-OMM)
UPDATED TraCSS Orbit Comprehensive Message Specification (TraCSS-SE-Spec-002-v2.1)
UPDATED TraCSS Conjunction Data Message Specification (TraCSS -Spec-001-v2.1-CDM)