Soviet Space ProgramKosmos 11K63133/3 (133L), Plesetsk Cosmodrome, Russian Federation
DS-P1-Yu 78
Launched
May 18, 1976
Image: Gunter Krebs
Summary
DS-P1-Yu 78 launched on a Soviet Space Program Kosmos 11K63 from 133/3 (133L), Plesetsk Cosmodrome, Russian Federation on May 18, 1976. It was Soviet Space Program's 1,010th launch, 31st this year and humanity's 1,828th orbital launch attempt. It was the 122nd Kosmos 11K63 flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Kosmos-818, one of 2 catalogued objects, reached a 277 × 488 km orbit inclined 71.1°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Kosmos 11K63 · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Test Target · Low Earth Orbit (LEO)
- Milestone
- 122nd Kosmos 11K63 flight · 2nd this yearSoviet Space Program's 1,010th launch31st this yearhumanity's 1,828th orbital launch attempt45th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-818 · NORAD 8851 · 1976-044 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- COSMOS 818
- Object ID
- 1976-044A
- Epoch
- 1976-05-18 15:22:47 UTC
- Mean motion
- 15.64315698 rev/day
- Eccentricity
- 0.0156605
- Inclination
- 71.0597°
- Ascending node
- 40.8114°
- Arg. of perigee
- 81.3699°
- Mean anomaly
- 280.5157°
- Element set
- 999
- Rev at epoch
- 3
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- Kosmos-818 · NORAD 8851 · re-entered March 7, 1977
Kosmos-2 (N122) Stage 2 · re-entered October 28, 1976
Data from J. McDowell, planet4589.org
About this launch
The DS-P1-Yu series of satellites was used to calibrate space surveillance and early warning radars.
Pad

133/3 (133L), Plesetsk Cosmodrome, Russian Federation
86th launch from 133/3 (133L), 2nd this year · 480th from Plesetsk Cosmodrome, Russian Federation
159 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
102 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did DS-P1-Yu 78 launch?
DS-P1-Yu 78 launched on May 18, 1976. The time is known to the hour, not the minute.
Where can I watch DS-P1-Yu 78?
No webcast is on record for this launch.
What rocket launched DS-P1-Yu 78?
Kosmos 11K63, flown by Soviet Space Program. Kosmos 11K63 spec sheet
Where did DS-P1-Yu 78 launch from?
133/3 (133L), Plesetsk Cosmodrome, Russian Federation.
What orbit did DS-P1-Yu 78 reach?
Kosmos-818, one of 2 catalogued objects, reached a 277 × 488 km orbit inclined 71.1°.
How many satellites did DS-P1-Yu 78 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
