Ctrl K

© Polaris Intelligence 2026

Privacy Terms Admin

Telstar 401

retired

CommunicationsGEOCOSPAR 1993-077ALaunched 12/16/1993

Mission & Launch

Launch Mission: Telstar 401 Mission
Launch Vehicle: Atlas IIAS
Launch Date: 12/16/1993
Last Contact: 1/11/1997

Orbit & Mass

Orbit Class: GEO
Altitude: 35,787 km
Inclination: 0.05 deg
Dry Mass: 1,500 kg
Total Mass: 3,375 kg

Payload Classification

Mission Type: Communications
Payload Category: COM
Payload Class: B

Organizations

Operator: AT&T
Manufacturer: Lockheed Martin

Constellation

Name: Telstar GEO fleet
Active Satellites: 5

Registry

COSPAR ID: 1993-077A
UN Registration: ST/SG/SER.E/274