Soviet Space ProgramProton K/DM-2200/40, Baikonur Cosmodrome, Republic of Kazakhstan
Gorizont 18
Launched
July 5, 1989
Summary
Gorizont 18 launched on a Soviet Space Program Proton K/DM-2 from 200/40, Baikonur Cosmodrome, Republic of Kazakhstan on July 5, 1989. It was Soviet Space Program's 2,282nd launch, 41st this year and humanity's 3,427th orbital launch attempt. It was the 34th Proton K/DM-2 flight and the 6th this year. The payload was bound for Geostationary Orbit (Direct-GEO). Gorizont, one of 7 catalogued objects, reached a 34,965 × 35,213 km orbit inclined 1.7°. 7 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Proton K/DM-2 · Soviet Space Program
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Orbit (Direct-GEO)
- Milestone
- 34th Proton K/DM-2 flight · 6th this yearSoviet Space Program's 2,282nd launch41st this yearhumanity's 3,427th orbital launch attempt53rd orbital launch attempt this year
Flight preview
Orbit: as tracked
Gorizont · NORAD 20107 · 1989-052 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- GORIZONT 18
- Object ID
- 1989-052A
- Epoch
- 1989-07-05 17:52:52 UTC
- Mean motion
- 1.02840129 rev/day
- Eccentricity
- 0.0029847
- Inclination
- 1.7464°
- Ascending node
- 278.2671°
- Arg. of perigee
- 107.7648°
- Mean anomaly
- 253.4086°
- 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
7 catalogued: 1 payload, 2 rocket stages, 1 debris, 3 components; 2 still in orbit
- Gorizont · NORAD 20107 · in orbit
Proton-K 340-02 Stage 3 · re-entered July 7, 1989
Blok DM-2 No. 25L · in orbit
Data from J. McDowell, planet4589.org
About this launch
Geostationary communications satellite
Pad

200/40, Baikonur Cosmodrome, Republic of Kazakhstan
58th launch from 200/40, 3rd this year · 909th from Baikonur Cosmodrome, Republic of Kazakhstan
64 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
35 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Gorizont 18 launch?
Gorizont 18 launched on July 5, 1989. The time is known to the hour, not the minute.
Where can I watch Gorizont 18?
No webcast is on record for this launch.
What rocket launched Gorizont 18?
Proton K/DM-2, flown by Soviet Space Program. Proton K/DM-2 spec sheet
Where did Gorizont 18 launch from?
200/40, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Gorizont 18 reach?
Gorizont, one of 7 catalogued objects, reached a 34,965 × 35,213 km orbit inclined 1.7°.
How many satellites did Gorizont 18 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)