Glonass-K1 No. 23 (Kosmos 2619)

Name: Glonass-K1 No. 23 (Kosmos 2619)
Start: 2026-08-24T02:40:00.000Z
End: 2026-08-24T02:40:00.000Z
Location: 43/3 (43L)

Soyuz 2.1b Fregat, Russian Space Forces

43/3 (43L), Plesetsk Cosmodrome, Russian Federation

Launch time

T-0

Mon 24 Aug, 04:40 CEST

02:40 UTC

Minute precision Launch successful

The rocket put its payload into the planned orbit.

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How sure is this date?

The source gives minute precision. Launch plans can change.

Source updated Sat 19 Sept, 02:21 CEST

Updated 11 Oct, 00:22 CEST

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Slip history

No changes since we started tracking on Sat 10 Oct 2026, 10:32 UTC.

Mon 24 Aug 2026, 11:32 UTCLL2 update
Launch success.
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Wed 19 Aug 2026, 03:28 UTCLL2 update
Possible launch in August based on NOTAMs; to be confirmed.
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Wed 22 Jul 2026, 23:38 UTCLL2 update
Reverted back to NET 2026.
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Thu 16 Jul 2026, 14:01 UTCLL2 update
NET July, TBC.
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Thu 14 Dec 2023, 03:23 UTCLL2 update
Added launch.
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Mission

Glonass-K1 No. 23 (Kosmos 2619) on Soyuz 2.1b Fregat from 43/3 (43L). Launch time, status and recorded date changes from Launch Library 2.

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.

Mission type: Navigation
Orbit: Medium Earth Orbit

Soyuz 2.1b on the pad — Credit: Roscosmos · Roscosmos terms (non-commercial)

Launch timeline

No timeline has been provided by the source.

Launch pad

43/3 (43L)

Plesetsk Cosmodrome, Russian Federation (RU)

Coordinates: 62.9273, 40.45

View launch pad on a map