Soviet Space ProgramProton K/DM-281/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
Raduga 28
Launched
December 19, 1991
Summary
Raduga 28 launched on a Soviet Space Program Proton K/DM-2 from 81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan on December 19, 1991. It was Soviet Space Program's 2,456th launch, 61st this year and humanity's 3,687th orbital launch attempt. It was the 54th Proton K/DM-2 flight and the 8th this year. The payload was bound for Geostationary Orbit (Direct-GEO). Raduga, one of 6 catalogued objects, reached a 36,442 × 36,573 km orbit inclined 1.5°. 6 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
- 54th Proton K/DM-2 flight · 8th this yearSoviet Space Program's 2,456th launch61st this yearhumanity's 3,687th orbital launch attempt90th orbital launch attempt this year
Flight preview
Orbit: as tracked
Raduga · NORAD 21821 · 1991-087 · Space-Track · tracking 1 of 6 objects
Show the numbers for orbit elements
- Object
- RADUGA 28
- Object ID
- 1991-087A
- Epoch
- 1991-12-19 05:57:49 UTC
- Mean motion
- 0.97779331 rev/day
- Eccentricity
- 0.0015271
- Inclination
- 1.4742°
- Ascending node
- 270.4758°
- Arg. of perigee
- 276.5599°
- Mean anomaly
- 82.9908°
- 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
- Raduga · NORAD 21821 · in orbit
Proton-K 355-01 Stage 3 · re-entered December 21, 1991
Blok DM-2 No. 52L · in orbit
Data from J. McDowell, planet4589.org
About this launch
Geostationary communications satellite for military and governmental puposes
Pad

81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan
43rd launch from 81/23 (81L), 4th this year · 975th from Baikonur Cosmodrome, Republic of Kazakhstan
104 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan
26 days after the previous launch from this pad
All launches from Baikonur Cosmodrome, Republic of KazakhstanOpen in maps
Questions
When did Raduga 28 launch?
Raduga 28 launched on December 19, 1991. The time is known to the hour, not the minute.
Where can I watch Raduga 28?
No webcast is on record for this launch.
What rocket launched Raduga 28?
Proton K/DM-2, flown by Soviet Space Program. Proton K/DM-2 spec sheet
Where did Raduga 28 launch from?
81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan.
What orbit did Raduga 28 reach?
Raduga, one of 6 catalogued objects, reached a 36,442 × 36,573 km orbit inclined 1.5°.
How many satellites did Raduga 28 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)