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Soviet Space ProgramTsiklon-290, Baikonur Cosmodrome, Republic of Kazakhstan

US-A 28

Launched

March 21, 1986

Launch Successful

Image: Ukrainian Space Agency

Summary

US-A 28 launched on a Soviet Space Program Tsiklon-2 from 90, Baikonur Cosmodrome, Republic of Kazakhstan on March 21, 1986. It was Soviet Space Program's 1,975th launch, 19th this year and humanity's 3,054th orbital launch attempt. It was the 72nd Tsiklon-2 flight and the 2nd this year. The payload was bound for low Earth orbit (LEO). Kosmos-1736, one of 30 catalogued objects, reached a 253 × 273 km orbit inclined 65.0°. 30 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Vehicle
Tsiklon-2 · Soviet Space Program
Booster
No booster details on record.
Mission
Government/Top Secret · Low Earth Orbit (LEO)
Milestone
72nd Tsiklon-2 flight · 2nd this yearSoviet Space Program's 1,975th launch19th this yearhumanity's 3,054th orbital launch attempt25th orbital launch attempt this year

Flight preview

Orbit: as tracked

65.0°Inclination
253 × 273 kmPerigee × apogeefrom mean elements
89.6 minPeriodfrom mean elements
4.6°Ascending node
14819 d agoElement epoch1986-03-21 11:24 UTC · stale

Kosmos-1736 · NORAD 16647 · 1986-024 · Space-Track · tracking 1 of 30 objects

Show the numbers for orbit elements
Object
COSMOS 1736
Object ID
1986-024A
Epoch
1986-03-21 11:24:46 UTC
Mean motion
16.06791836 rev/day
Eccentricity
0.0015391
Inclination
64.9982°
Ascending node
4.6062°
Arg. of perigee
251.108°
Mean anomaly
108.8401°
Element set
999
Rev at epoch
0
B*
0

Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.

Catalogued objects

30 catalogued: 1 payload, 25 debris, 4 components; 2 still in orbit

  • Kosmos-1736 · NORAD 16647 · in orbit

Data from J. McDowell, planet4589.org

About this launch

Active radar satellite for ocean surveillance powered by a nuclear reactor.

Pad

Map of 90

90, Baikonur Cosmodrome, Republic of Kazakhstan

54th launch from 90, 2nd this year · 771st from Baikonur Cosmodrome, Republic of Kazakhstan

74 launches from this pad · 1,565 from Baikonur Cosmodrome, Republic of Kazakhstan

22 days after the previous launch from this pad

Questions

When did US-A 28 launch?

US-A 28 launched on March 21, 1986. The time is known to the hour, not the minute.

Where can I watch US-A 28?

No webcast is on record for this launch.

What rocket launched US-A 28?

Tsiklon-2, flown by Soviet Space Program. Tsiklon-2 spec sheet

Where did US-A 28 launch from?

90, Baikonur Cosmodrome, Republic of Kazakhstan.

What orbit did US-A 28 reach?

Kosmos-1736, one of 30 catalogued objects, reached a 253 × 273 km orbit inclined 65.0°.

How many satellites did US-A 28 launch?

1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).