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Soviet Space ProgramProton-K/DM200/40, Baikonur Cosmodrome, Republic of Kazakhstan
Gorizont 20
Launched
June 20, 1990
Summary
Gorizont 20 launched on a Soviet Space Program Proton-K/DM from 200/40, Baikonur Cosmodrome, Republic of Kazakhstan on June 20, 1990. It was Soviet Space Program's 2,350th launch, 34th this year and humanity's 3,532nd orbital launch attempt. It was the 66th Proton-K/DM flight and the 1st this year. The payload was bound for Geostationary Orbit (Direct-GEO). Gorizont, one of 6 catalogued objects, reached a 35,715 × 35,846 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
- 66th Proton-K/DM flight · 1st this yearSoviet Space Program's 2,350th launch34th this yearhumanity's 3,532nd orbital launch attempt56th orbital launch attempt this year
Flight preview
Orbit: as tracked
Gorizont · NORAD 20659 · 1990-054 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- GORIZONT 20
- Object ID
- 1990-054A
- Epoch
- 1990-06-21 00:01:39 UTC
- Mean motion
- 1.00318737 rev/day
- Eccentricity
- 0.0015476
- Inclination
- 1.5764°
- Ascending node
- 268.4006°
- Arg. of perigee
- 248.9092°
- Mean anomaly
- 202.6517°
- 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: 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 20659 · in orbit
Proton-K 340-02 Stage 3 · re-entered June 22, 1990
Blok DM No. 67L · in orbit
Data from J. McDowell, planet4589.org
About this launch
Geostationary communications satellite
Pad
200/40, Baikonur Cosmodrome, Republic of Kazakhstan
62nd launch from 200/40, 2nd this year · 934th from Baikonur Cosmodrome, Republic of Kazakhstan
64 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
32 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Gorizont 20 launch?
Gorizont 20 launched on June 20, 1990. The time is known to the hour, not the minute.
Where can I watch Gorizont 20?
No webcast is on record for this launch.
What rocket launched Gorizont 20?
Proton-K/DM, flown by Soviet Space Program. Proton-K/DM spec sheet
Where did Gorizont 20 launch from?
200/40, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Gorizont 20 reach?
Gorizont, one of 6 catalogued objects, reached a 35,715 × 35,846 km orbit inclined 1.6°.
How many satellites did Gorizont 20 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).