![[AUTO] Proton - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fproton_image_20231231095535.jpg&w=1600)
Soviet Space ProgramProton K/DM-2200/40, Baikonur Cosmodrome, Republic of Kazakhstan
Raduga 21
Launched
December 10, 1987
Summary
Raduga 21 launched on a Soviet Space Program Proton K/DM-2 from 200/40, Baikonur Cosmodrome, Republic of Kazakhstan on December 10, 1987. It was Soviet Space Program's 2,137th launch, 87th this year and humanity's 3,243rd orbital launch attempt. It was the 18th Proton K/DM-2 flight and the 7th this year. The payload was bound for Geostationary Orbit (Direct-GEO). Raduga, one of 7 catalogued objects, reached a 34,957 × 35,058 km orbit inclined 1.4°. 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
- 18th Proton K/DM-2 flight · 7th this yearSoviet Space Program's 2,137th launch87th this yearhumanity's 3,243rd orbital launch attempt104th orbital launch attempt this year
Flight preview
Orbit: as tracked
Raduga · NORAD 18631 · 1987-100 · Space-Track · tracking 1 of 7 objects
Show the numbers for orbit elements
- Object
- RADUGA 21
- Object ID
- 1987-100A
- Epoch
- 1987-12-10 12:38:51 UTC
- Mean motion
- 1.03142331 rev/day
- Eccentricity
- 0.0012254
- Inclination
- 1.4492°
- Ascending node
- 259.4414°
- Arg. of perigee
- 80.0611°
- Mean anomaly
- 18.3041°
- Element set
- 999
- Rev at epoch
- 47
- 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
- Raduga · NORAD 18631 · in orbit
Proton-K 343-01 Stage 3 · re-entered December 13, 1987
Blok DM-2 No. 30L · in orbit
Data from J. McDowell, planet4589.org
About this launch
Geostationary communications satellite for military and governmental puposes
Pad
200/40, Baikonur Cosmodrome, Republic of Kazakhstan
50th launch from 200/40, 7th this year · 843rd from Baikonur Cosmodrome, Republic of Kazakhstan
64 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
42 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Raduga 21 launch?
Raduga 21 launched on December 10, 1987. The time is known to the hour, not the minute.
Where can I watch Raduga 21?
No webcast is on record for this launch.
What rocket launched Raduga 21?
Proton K/DM-2, flown by Soviet Space Program. Proton K/DM-2 spec sheet
Where did Raduga 21 launch from?
200/40, Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Raduga 21 reach?
Raduga, one of 7 catalogued objects, reached a 34,957 × 35,058 km orbit inclined 1.4°.
How many satellites did Raduga 21 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).