Soviet Space ProgramProton-K/DM200/40, Baikonur Cosmodrome, Republic of Kazakhstan
Potok 3
Launched
April 4, 1986
Summary
Potok 3 launched on a Soviet Space Program Proton-K/DM from 200/40, Baikonur Cosmodrome, Republic of Kazakhstan on April 4, 1986. It was Soviet Space Program's 1,978th launch, 22nd this year and humanity's 3,058th orbital launch attempt. It was the 56th Proton-K/DM flight and the 2nd this year. The payload was bound for Geostationary Orbit (Direct-GEO). Kosmos-1738, one of 6 catalogued objects, reached a 36,494 × 36,685 km orbit inclined 1.6°. 6 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Proton-K/DM · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Orbit (Direct-GEO)
- Milestone
- 56th Proton-K/DM flight · 2nd this yearSoviet Space Program's 1,978th launch22nd this yearhumanity's 3,058th orbital launch attempt29th orbital launch attempt this year
Flight preview
Orbit: as tracked
Kosmos-1738 · NORAD 16667 · 1986-027 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- COSMOS 1738
- Object ID
- 1986-027A
- Epoch
- 1986-04-04 05:07:49 UTC
- Mean motion
- 0.97498648 rev/day
- Eccentricity
- 0.0022286
- Inclination
- 1.5649°
- Ascending node
- 258.6492°
- Arg. of perigee
- 279.0982°
- Mean anomaly
- 182.2342°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0.000099999
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Direct-GEO. Ascent drawn from padside's representative profile.
Catalogued objects
6 catalogued: 1 payload, 2 rocket stages, 3 components; 2 still in orbit
- Kosmos-1738 · NORAD 16667 · in orbit
Proton-K 302-01 Stage 3 · re-entered April 8, 1986
Blok DM No. 59L · in orbit
Data from J. McDowell, planet4589.org
About this launch
Geostationary military relay satellite
Pad

200/40, Baikonur Cosmodrome, Republic of Kazakhstan
39th launch from 200/40, 2nd this year · 774th from Baikonur Cosmodrome, Republic of Kazakhstan
64 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
76 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Potok 3 launch?
Potok 3 launched on April 4, 1986. The time is known to the hour, not the minute.
Where can I watch Potok 3?
No webcast is on record for this launch.
What rocket launched Potok 3?
Proton-K/DM, flown by Soviet Space Program. Proton-K/DM spec sheet
Where did Potok 3 launch from?
200/40, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Potok 3 reach?
Kosmos-1738, one of 6 catalogued objects, reached a 36,494 × 36,685 km orbit inclined 1.6°.
How many satellites did Potok 3 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Proton - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fproton_image_20231231095535.jpg&w=1600)