Russian Space ForcesSoyuz 2.1b43/4 (43R), Plesetsk Cosmodrome, Russian Federation

Lotos-S1 (Kosmos 2528)

Name: Lotos-S1 (Kosmos 2528) launch
Start: 2018-10-25T00:15:18.000Z
End: 2018-10-25T03:00:00.000Z
Location: 43/4 (43R), Plesetsk Cosmodrome, Russian Federation

Launched

October 25, 2018 · 00:15 UTC

Launch Successful

Image: Roscosmos

Summary

Lotos-S1 (Kosmos 2528) launched on a Russian Space Forces Soyuz 2.1b from 43/4 (43R), Plesetsk Cosmodrome, Russian Federation on October 25, 2018 at 00:15 UTC. The launch window ran from 22:00 to 03:00 UTC. It was Russian Space Forces's 99th launch, 3rd this year and humanity's 5,789th orbital launch attempt. It was the 9th Soyuz 2.1b flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Kosmos-2528, one of 4 catalogued objects, reached a 247 × 908 km orbit inclined 67.1°. 4 objects from this launch are catalogued, one of them a payload.

Watch: Успешный пуск ракеты "Союз-2.1б": спутник выведен на орбитуTASS
«Союз-2.1б» успешно доставила новый спутник МО РФ на орбитуТелеканал Звезда
Vehicle: Soyuz 2.1b · Russian Space Forces
Booster: No booster details on record.
Mission: Government/Top Secret · Low Earth Orbit (LEO)
Milestone: 9th Soyuz 2.1b flight · 1st this yearRussian Space Forces's 99th launch3rd this yearhumanity's 5,789th orbital launch attempt83rd orbital launch attempt this year

Flight preview

Orbit: as tracked

67.1°Inclination

247 × 908 kmPerigee × apogeefrom mean elements

96.1 minPeriodfrom mean elements

23.3°Ascending node

2913 d agoElement epoch2018-10-25 03:34 UTC · stale

Kosmos-2528 · NORAD 43657 · 2018-082 · Space-Track · tracking 1 of 4 objects

Show the numbers

Object: TBA - TO BE ASSIGNED
Object ID: 2018-082A
Epoch: 2018-10-25 03:34:38 UTC
Mean motion: 14.98974829 rev/day
Eccentricity: 0.0475936
Inclination: 67.1422°
Ascending node: 23.3251°
Arg. of perigee: 92.3817°
Mean anomaly: 350.7997°
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: LEO. Ascent drawn from padside's representative profile.

Catalogued objects

4 catalogued: 1 payload, 1 rocket stage, 2 debris; 3 still in orbit

Kosmos-2528 · NORAD 43657 · in orbit

Soyuz-2-1b 31-216 Blok-I · re-entered August 4, 2020

Data from J. McDowell, planet4589.org

About this launch

Lotos-S1 spacecraft is a part of the Liana constellation, designed for orbital electronic intelligence.

Pad

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

293rd launch from 43/4 (43R), 3rd this year · 1,624th from Plesetsk Cosmodrome, Russian Federation

Local pad time at liftoff: Oct 25, 3:15 AM GMT+3, at night

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

130 days after the previous launch from this pad

All launches from Plesetsk Cosmodrome, Russian Federation Open in maps

Questions

When did Lotos-S1 (Kosmos 2528) launch?

Lotos-S1 (Kosmos 2528) launched on October 25, 2018 at 00:15 UTC. The launch window ran from 22:00 to 03:00 UTC.

Where can I watch Lotos-S1 (Kosmos 2528)?

Coverage: Успешный пуск ракеты "Союз-2.1б": спутник выведен на орбиту; «Союз-2.1б» успешно доставила новый спутник МО РФ на орбиту. Watch the replay

What rocket launched Lotos-S1 (Kosmos 2528)?

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

Where did Lotos-S1 (Kosmos 2528) launch from?

43/4 (43R), Plesetsk Cosmodrome, Russian Federation. Liftoff was Oct 25, 3:15 AM GMT+3 local time at the pad.

What orbit did Lotos-S1 (Kosmos 2528) reach?

Kosmos-2528, one of 4 catalogued objects, reached a 247 × 908 km orbit inclined 67.1°.

How many satellites did Lotos-S1 (Kosmos 2528) launch?

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