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Soviet Space ProgramSoyuz U41/1, Plesetsk Cosmodrome, Russian Federation
Foton 1
Launched
April 16, 1985
Summary
Foton 1 launched on a Soviet Space Program Soyuz U from 41/1, Plesetsk Cosmodrome, Russian Federation on April 16, 1985. It was Soviet Space Program's 1,879th launch, 23rd this year and humanity's 2,934th orbital launch attempt. It was the 397th Soyuz U flight and the 8th this year. The payload was bound for low Earth orbit (LEO). Kosmos-1645, one of 7 catalogued objects, reached a 222 × 397 km orbit inclined 62.8°. 7 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Soyuz U · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Materials Science · Low Earth Orbit (LEO)
- Milestone
- 397th Soyuz U flight · 8th this yearSoviet Space Program's 1,879th launch23rd this yearhumanity's 2,934th orbital launch attempt30th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1645 · NORAD 15645 · 1985-029 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- COSMOS 1645
- Object ID
- 1985-029A
- Epoch
- 1985-04-16 19:58:02 UTC
- Mean motion
- 15.899021 rev/day
- Eccentricity
- 0.0130717
- Inclination
- 62.8283°
- Ascending node
- 53.2395°
- Arg. of perigee
- 112.3638°
- Mean anomaly
- 247.2858°
- Element set
- 999
- Rev at epoch
- 1
- 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
7 catalogued: 1 payload, 1 rocket stage, 5 components; none still in orbit
- Kosmos-1645 · NORAD 15645 · landed April 29, 1985
Soyuz-U No. 128 Blok-I · re-entered May 10, 1985
Data from J. McDowell, planet4589.org
About this launch
Microgravity research satellite
Pad
41/1, Plesetsk Cosmodrome, Russian Federation
264th launch from 41/1, 2nd this year · 1,044th from Plesetsk Cosmodrome, Russian Federation
310 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation
46 days after the previous launch from this pad
All launches from Plesetsk Cosmodrome, Russian FederationOpen in maps
Questions
When did Foton 1 launch?
Foton 1 launched on April 16, 1985. The time is known to the hour, not the minute.
Where can I watch Foton 1?
No webcast is on record for this launch.
What rocket launched Foton 1?
Soyuz U, flown by Soviet Space Program. Soyuz U spec sheet
Where did Foton 1 launch from?
41/1, Plesetsk Cosmodrome, Russian Federation.
What orbit did Foton 1 reach?
Kosmos-1645, one of 7 catalogued objects, reached a 222 × 397 km orbit inclined 62.8°.
How many satellites did Foton 1 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).