Official name COSMOS 627
Alternative name Cosmos-627
Cospar ID 1973-109A
Norad ID 7008
Launch date 1973-12-29
Launch site PKMTR
Launch vehicle Kosmos-3M
Country/Organization USSR
Type application Navigation / Communication
RCS size LARGE
Decay date ON ORBIT
Period (min) 104.88
Inclination (deg) 82.95
Perigee (km) 966
Apogee (km) 1012
Eccentricity 0.0232558139534884
Mean motion (revs. per day) 13.7299771167048
Semi-Major axis (km) 7367.135
Raan (deg) 330.9548
Arg of perigee (deg) 326.4367
Shape Cyl
Mass (kg) 693.76
Diameter (m) 2.1
Height (m) 5
Span (m^2) 5
Contractors NPO Prikladnoi Mekhaniki (NPO PM)
Configuration KAUR-1
Power Solar cells, batteries

The first soviet navigation system called Tsiklon consisted of Zaliv satellites in low earth orbit.

The Tsiklon/Zaliv system used the Doppler navigation method.

The Zaliv satellites had a launch mass of 800 kg and consisted of a 2.04 m diameter drum shaped bus with a height of 3 m. They were developed at NPO-PM. The satellites features an hermetically sealed, pressurized inner compartment housing the equipment. Passive attitude control was by a single-axis magneto-gravitational system featuring an extensible gravity gradient boom.

The satellites were launched by Kosmos-3M boosters from Plesetsk. Initially a 780 km orbit with 74° inclination was used. Beginning with the eighth launch, the orbital height was increased to 1000 km. With the 13th launch, the inclination was changed to 82°.

The Tsiklon navigation system was later replaced by the operation Tsiklon-B system featuring Parus satellites and the civilian Tsikada system.

Satellite COSPAR Date LS Launch Vehicle Remarks
COSMOS 192 1967-116A 1967-11-23 PKMTR Kosmos-3M
COSMOS 220 1968-040A 1968-05-07 PKMTR Kosmos-3M
COSMOS 292 1969-070A 1969-08-13 PKMTR Kosmos-3M
COSMOS 304 1969-091A 1969-10-21 PKMTR Kosmos-3M
COSMOS 332 1970-028A 1970-04-11 PKMTR Kosmos-3M
COSMOS 371 1970-083A 1970-10-12 PKMTR Kosmos-3M
COSMOS 385 1970-108A 1970-12-12 PKMTR Kosmos-3M
COSMOS 422 1971-046A 1971-05-22 PKMTR Kosmos-3M
COSMOS 465 1971-111A 1971-12-15 PKMTR Kosmos-3M
COSMOS 475 1972-009A 1972-02-25 PKMTR Kosmos-3M
COSMOS 489 1972-035A 1972-05-06 PKMTR Kosmos-3M
COSMOS 574 1973-042A 1973-06-20 PKMTR Kosmos-3M
COSMOS 586 1973-065A 1973-09-14 PKMTR Kosmos-3M
COSMOS 627 1973-109A 1973-12-29 PKMTR Kosmos-3M
COSMOS 628 1974-001A 1974-01-17 PKMTR Kosmos-3M
COSMOS 663 1974-048A 1974-06-27 PKMTR Kosmos-3M
COSMOS 689 1974-079A 1974-10-18 PKMTR Kosmos-3M
COSMOS 729 1975-034A 1975-04-22 PKMTR Kosmos-3M
COSMOS 800 1976-011A 1976-02-03 PKMTR Kosmos-3M
COSMOS 823 1976-051A 1976-06-02 PKMTR Kosmos-3M
COSMOS 846 1976-078A 1976-07-29 PKMTR Kosmos-3M
COSMOS 890 1977-004A 1977-01-20 PKMTR Kosmos-3M
COSMOS 962 1977-107A 1977-10-28 PKMTR Kosmos-3M
COSMOS 994 1978-028A 1978-03-15 PKMTR Kosmos-3M
COSMOS 1027 1978-074A 1978-07-27 PKMTR Kosmos-3M