Program

Bion

Payloads: 13
In orbit: 0
Operational (CelesTrak): 0
Re-entered: 13
First launch: 1973-10-31
Latest launch: 2025-08-20

Owners

IMBP/TSSKB9
Roskosmos2
IMBP/TSKBE31
IMBP/TSSKBP1

Built by

Payloads in this program

Name	NORAD	Launch date	Status
COSMOS 605	6913	1973-10-31	Re-entered 1973-11-22
COSMOS 690	7478	1974-10-22	Re-entered 1974-11-12
COSMOS 782	8450	1975-11-25	Re-entered 1975-12-15
COSMOS 936	10172	1977-08-03	Re-entered 1977-08-22
COSMOS 1129	11536	1979-09-25	Re-entered 1979-10-14
COSMOS 1514	14549	1983-12-14	Re-entered 1983-12-19
COSMOS 1667	15891	1985-07-10	Re-entered 1985-07-17
COSMOS 1887	18380	1987-09-29	Re-entered 1987-10-12
COSMOS 2044	20242	1989-09-15	Re-entered 1989-09-29
COSMOS 2229	22300	1992-12-29	Re-entered 1993-01-10
BION 11	24701	1996-12-24	Re-entered 1997-01-07
BION M1	39130	2013-04-19	Re-entered 2013-05-19
BION-M 02	65265	2025-08-20	Re-entered 2025-09-19

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