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Russian Space ForcesSoyuz 2.1b Fregat43/4 (43R), Plesetsk Cosmodrome, Russian Federation

Glonass-K1 No. 15 (Kosmos 2547)

Launched

October 25, 2020

Launch Successful
GLONASS Patch

Image: Roscosmos

Summary

Glonass-K1 No. 15 (Kosmos 2547) launched on a Russian Space Forces Soyuz 2.1b Fregat from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on October 25, 2020. It was Russian Space Forces's 114th launch, 5th this year and humanity's 6,005th orbital launch attempt. It was the 20th Soyuz 2.1b Fregat flight and the 2nd this year. The payload was bound for Medium Earth Orbit (MEO). Kosmos-2547, one of 2 catalogued objects, reached a 19,127 × 19,158 km orbit inclined 64.8°. 2 objects from this launch are catalogued, one of them a payload.

Vehicle
Soyuz 2.1b Fregat · Russian Space ForcesGLONASS
Booster
No booster details on record.
Mission
Navigation · Medium Earth Orbit (MEO)
Milestone
20th Soyuz 2.1b Fregat flight · 2nd this yearRussian Space Forces's 114th launch5th this yearhumanity's 6,005th orbital launch attempt83rd orbital launch attempt this year

Flight preview

Orbit: as tracked

64.8°Inclination
19127 × 19158 kmPerigee × apogeefrom mean elements
675.9 minPeriodfrom mean elements
261.8°Ascending node
2181 d agoElement epoch2020-10-26 00:27 UTC · stale

Kosmos-2547 · NORAD 46805 · 2020-075 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
2020-075A
Epoch
2020-10-26 00:27:26 UTC
Mean motion
2.13035732 rev/day
Eccentricity
0.0006022
Inclination
64.8087°
Ascending node
261.765°
Arg. of perigee
265.8593°
Mean anomaly
212.0954°
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: MEO. Ascent drawn from padside's representative profile.

Catalogued objects

2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit

  • Kosmos-2547 · NORAD 46805 · in orbit

Fregat No. 112-12 · in orbit

Data from J. McDowell, planet4589.org

About this launch

Glonass-K are the third generation of satellite design for GLONASS satellite navigation system. GLONASS is a Russian space-based navigation system comparable to the similar GPS and Galileo systems. This generation improves on accuracy, power consumption and design life. Each satellite is unpressurized and weighs 935 kg, and has an operational lifetime of 10 years.

Pad

Map of 43/4 (43R)

43/4 (43R), Plesetsk Cosmodrome, Russian Federation

303rd launch from 43/4 (43R), 4th this year · 1,639th from Plesetsk Cosmodrome, Russian Federation

329 launches from this pad · 1,688 from Plesetsk Cosmodrome, Russian Federation

27 days after the previous launch from this pad

Questions

When did Glonass-K1 No. 15 (Kosmos 2547) launch?

Glonass-K1 No. 15 (Kosmos 2547) launched on October 25, 2020. The time is known to the hour, not the minute.

Where can I watch Glonass-K1 No. 15 (Kosmos 2547)?

Coverage: Soyuz-2.1b launches a new GLONASS-K navigation satellite. Watch the replay

What rocket launched Glonass-K1 No. 15 (Kosmos 2547)?

Soyuz 2.1b Fregat, flown by Russian Space Forces. Soyuz 2.1b Fregat spec sheet

Where did Glonass-K1 No. 15 (Kosmos 2547) launch from?

43/4 (43R), Plesetsk Cosmodrome, Russian Federation.

What orbit did Glonass-K1 No. 15 (Kosmos 2547) reach?

Kosmos-2547, one of 2 catalogued objects, reached a 19,127 × 19,158 km orbit inclined 64.8°.

How many satellites did Glonass-K1 No. 15 (Kosmos 2547) launch?

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

Which program is Glonass-K1 No. 15 (Kosmos 2547) part of?

GLONASS. About GLONASS