Soviet Space ProgramKosmos-3M (11K65M)132/1 (132L), Plesetsk Cosmodrome, Russian Federation
Tselina-O 28
Launched
November 21, 1975
Image: Julio Perez Suarez
Summary
Tselina-O 28 launched on a Soviet Space Program Kosmos-3M (11K65M) from 132/1 (132L), Plesetsk Cosmodrome, Russian Federation on November 21, 1975. It was Soviet Space Program's 967th launch, 81st this year and humanity's 1,765th orbital launch attempt. It was the 114th Kosmos-3M (11K65M) flight and the 17th this year. The payload was bound for low Earth orbit (LEO). The tracked orbit of Kosmos-781, one of 11 catalogued objects, from November 26, 1975, was 513 × 556 km inclined 74.0°. 11 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
- 114th Kosmos-3M (11K65M) flight · 17th this yearSoviet Space Program's 967th launch81st this yearhumanity's 1,765th orbital launch attempt114th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-781 · NORAD 8444 · 1975-109 · Space-Track · tracking 1 of 11 objects
Show the numbers for orbit elements
- Object
- COSMOS 781
- Object ID
- 1975-109A
- Epoch
- 1975-11-26 14:23:12 UTC
- Mean motion
- 15.13025637 rev/day
- Eccentricity
- 0.0031192
- Inclination
- 74.0455°
- Ascending node
- 315.9334°
- Arg. of perigee
- 342.0331°
- Mean anomaly
- 17.9708°
- Element set
- 999
- Rev at epoch
- 74
- B*
- 0.000018885
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO.
Catalogued objects
11 catalogued: 1 payload, 1 rocket stage, 4 debris, 5 components; none still in orbit
- Kosmos-781 · NORAD 8444 · re-entered November 26, 1980
Kosmos-3M 21-271 Stage 2 · re-entered December 20, 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
43rd launch from 132/1 (132L), 14th this year · 450th from Plesetsk Cosmodrome, Russian Federation
212 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
17 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Tselina-O 28 launch?
Tselina-O 28 launched on November 21, 1975. The time is known to the hour, not the minute.
Where can I watch Tselina-O 28?
No webcast is on record for this launch.
What rocket launched Tselina-O 28?
Kosmos-3M (11K65M), flown by Soviet Space Program. Kosmos-3M (11K65M) spec sheet
Where did Tselina-O 28 launch from?
132/1 (132L), Plesetsk Cosmodrome, Russian Federation.
What orbit did Tselina-O 28 reach?
The tracked orbit of Kosmos-781, one of 11 catalogued objects, from November 26, 1975, was 513 × 556 km inclined 74.0°.
How many satellites did Tselina-O 28 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).