Program

SBS

Payloads: 6
In orbit: 6
Operational (CelesTrak): 0
Re-entered: 0
First launch: 1980-11-15
Latest launch: 1990-10-12

Owners

Satellite Business Systems, Inc. (IBM/Aetna/Comsat)4
Hughes Communications Inc.1
IBM Satellite Transponder Leasing Corp.1

Built by

Hughes Space and Comms. Co (Hughes Satellite Systems)6

Payloads in this program

Name	NORAD	Launch date	Status
SBS 1	12065	1980-11-15	-
SBS 2	12855	1981-09-24	Not operational
SBS 3	13651	1982-11-11	-
SBS 4	15235	1984-08-30	-
SBS 5	19484	1988-09-08	-
SBS-6	20872	1990-10-12	Not operational

From GCAT by Jonathan McDowell (CC BY 4.0). Roles are counted from the catalogue itself, not from GCAT type labels, which GCAT describes as patchy. About this source