Soviet Space ProgramProton-K/DM200/39 (200L), Baikonur Cosmodrome, Republic of Kazakhstan
Gorizont 4
Launched
June 14, 1980
Summary
Gorizont 4 launched on a Soviet Space Program Proton-K/DM from 200/39 (200L), Baikonur Cosmodrome, Republic of Kazakhstan on June 14, 1980. It was Soviet Space Program's 1,402nd launch, 40th this year and humanity's 2,333rd orbital launch attempt. It was the 20th Proton-K/DM flight and the 2nd this year. The payload was bound for Geostationary Orbit (Direct-GEO). Gorizont, one of 6 catalogued objects, reached a 36,298 × 36,726 km orbit inclined 0.8°. 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
- 20th Proton-K/DM flight · 2nd this yearSoviet Space Program's 1,402nd launch40th this yearhumanity's 2,333rd orbital launch attempt50th orbital launch attempt this year
Flight preview
Orbit: as tracked
Gorizont · NORAD 11841 · 1980-049 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- GORIZONT 4
- Object ID
- 1980-049A
- Epoch
- 1980-06-14 00:26:47 UTC
- Mean motion
- 0.97763187 rev/day
- Eccentricity
- 0.005
- Inclination
- 0.8°
- Ascending node
- 283.5822°
- Arg. of perigee
- 0.4025°
- Mean anomaly
- 75.4492°
- Element set
- 999
- Rev at epoch
- 2
- B*
- 0
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
- Gorizont · NORAD 11841 · in orbit
Proton-K 303-02 Stage 3 · re-entered June 15, 1980
Blok DM No. 27L · in orbit
Data from J. McDowell, planet4589.org
About this launch
Geostationary communications satellite
Pad

200/39 (200L), Baikonur Cosmodrome, Republic of Kazakhstan
2nd launch from 200/39 (200L), 2nd this year · 566th from Baikonur Cosmodrome, Republic of Kazakhstan
167 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
114 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Gorizont 4 launch?
Gorizont 4 launched on June 14, 1980. The time is known to the hour, not the minute.
Where can I watch Gorizont 4?
No webcast is on record for this launch.
What rocket launched Gorizont 4?
Proton-K/DM, flown by Soviet Space Program. Proton-K/DM spec sheet
Where did Gorizont 4 launch from?
200/39 (200L), Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Gorizont 4 reach?
Gorizont, one of 6 catalogued objects, reached a 36,298 × 36,726 km orbit inclined 0.8°.
How many satellites did Gorizont 4 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)