Soviet Space ProgramKosmos-3M (11K65M)132/1 (132L), Plesetsk Cosmodrome, Russian Federation
Tselina-O 18
Launched
February 28, 1973
Image: Julio Perez Suarez
Summary
Tselina-O 18 launched on a Soviet Space Program Kosmos-3M (11K65M) from 132/1 (132L), Plesetsk Cosmodrome, Russian Federation on February 28, 1973. It was Soviet Space Program's 722nd launch, 10th this year and humanity's 1,432nd orbital launch attempt. It was the 67th Kosmos-3M (11K65M) flight and the 3rd this year. The payload was bound for low Earth orbit (LEO). Kosmos-549, one of 3 catalogued objects, reached a 519 × 551 km orbit inclined 74.0°. 3 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Kosmos-3M (11K65M) · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 67th Kosmos-3M (11K65M) flight · 3rd this yearSoviet Space Program's 722nd launch10th this yearhumanity's 1,432nd orbital launch attempt10th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-549 · NORAD 6373 · 1973-010 · Space-Track · tracking 1 of 3 objects
Show the numbers for orbit elements
- Object
- COSMOS 549
- Object ID
- 1973-010A
- Epoch
- 1973-03-01 02:36:37 UTC
- Mean motion
- 15.1275998 rev/day
- Eccentricity
- 0.002325
- Inclination
- 74.0205°
- Ascending node
- 233.4147°
- Arg. of perigee
- 356.7154°
- Mean anomaly
- 3.3833°
- Element set
- 999
- Rev at epoch
- 14
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
3 catalogued: 1 payload, 1 rocket stage, 1 component; none still in orbit
- Kosmos-549 · NORAD 6373 · re-entered June 29, 1980
Kosmos-3M Yu149-45 Stage 2 · re-entered September 17, 1980
Data from J. McDowell, planet4589.org
About this launch
The Tselina-O (11F616) was one component of two-satellite Tselina ELINT satellite system. Tselina-O provided general ELINT surveillance to be examined in detail by the larger Tselina-D satellites.
Pad
132/1 (132L), Plesetsk Cosmodrome, Russian Federation
23rd launch from 132/1 (132L), 2nd this year · 278th from Plesetsk Cosmodrome, Russian Federation
212 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
39 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Tselina-O 18 launch?
Tselina-O 18 launched on February 28, 1973. The time is known to the hour, not the minute.
Where can I watch Tselina-O 18?
No webcast is on record for this launch.
What rocket launched Tselina-O 18?
Kosmos-3M (11K65M), flown by Soviet Space Program. Kosmos-3M (11K65M) spec sheet
Where did Tselina-O 18 launch from?
132/1 (132L), Plesetsk Cosmodrome, Russian Federation.
What orbit did Tselina-O 18 reach?
Kosmos-549, one of 3 catalogued objects, reached a 519 × 551 km orbit inclined 74.0°.
How many satellites did Tselina-O 18 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).