Optus B1, B2, B3 - Gunter's Space Page

HS 601

OTB 1 - Gunter's Space Page

TKS-VA (11F74) - Gunter's Space Page

Gunter's Space Page - Information on spaceflight, launch vehicles and satellites

Hughes / Boeing: HS-601 / BSS-601 - Gunter's Space Page

Optus D1 - Gunter's Space Page

HS 601

Aussat / Optus-series

Aussat / Optus-series

PDF) YORP Effect on Long-Term Rotational Dynamics of Debris in GEO

Cluster Info n°43 - Wallonie Espace

CZ-2 (Chang Zheng-2) - Gunter's Space Page

Boeing 601 - Wikipedia