Official name COSMOS 249
Alternative name Cosmos-249
Cospar ID 1968-091A
Norad ID 3504
Launch date 1968-10-20
Launch site TTMTR
Launch vehicle Tsiklon-2A
Country/Organization USSR
Type application ASAT
RCS size LARGE
Decay date ON ORBIT
Period (min) 111.07
Inclination (deg) 62.36
Perigee (km) 519
Apogee (km) 2032
Eccentricity 0.593100744805958
Mean motion (revs. per day) 12.9647969748807
Semi-Major axis (km) 7653.635
Raan (deg) 29.8241
Arg of perigee (deg) 221.9258
Shape Cyl
Mass (kg) 1400
Diameter (m) 1.5
Height (m) 4
Span (m^2) 4
Contractors TsNII Kometa
Power Batteries

The I2M satellites were the first soviet coorbital ASAT system.

Satellite COSPAR Date LS Launch Vehicle Remarks
COSMOS 249 1968-091A 1968-10-20 TTMTR Tsiklon-2A
COSMOS 252 1968-097A 1968-11-01 TTMTR Tsiklon-2A
COSMOS 316 1969-108A 1969-12-23 TTMTR Tsiklon-2
COSMOS 374 1970-089A 1970-10-23 TTMTR Tsiklon-2
COSMOS 375 1970-091A 1970-10-30 TTMTR Tsiklon-2
COSMOS 397 1971-015A 1971-02-25 TTMTR Tsiklon-2
COSMOS 404 1971-027A 1971-04-04 TTMTR Tsiklon-2
COSMOS 462 1971-106A 1971-12-03 TTMTR Tsiklon-2