Padside
Menu

Russian Space ForcesSoyuz 2.1b43/3 (43L), Plesetsk Cosmodrome, Russian Federation

Kosmos 2554 (Lotos-S1 #6)

Launched

April 7, 2022

Launch Successful

Image: Roscosmos

Summary

Kosmos 2554 (Lotos-S1) launched on a Russian Space Forces Soyuz 2.1b from 43/3 (43L), Plesetsk Cosmodrome, Russian Federation on April 7, 2022. It was Russian Space Forces's 122nd launch, 3rd this year and humanity's 6,219th orbital launch attempt. It was the 14th Soyuz 2.1b flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Kosmos-2554, one of 2 catalogued objects, reached a 246 × 908 km orbit inclined 67.1°. 2 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Vehicle
Soyuz 2.1b · Russian Space Forces
Booster
No booster details on record.
Mission
Government/Top Secret · Low Earth Orbit (LEO)
Milestone
14th Soyuz 2.1b flight · 1st this yearRussian Space Forces's 122nd launch3rd this yearhumanity's 6,219th orbital launch attempt37th orbital launch attempt this year

Flight preview

Orbit: as tracked

67.1°Inclination
246 × 908 kmPerigee × apogeefrom mean elements
96.1 minPeriodfrom mean elements
351.8°Ascending node
1652 d agoElement epoch2022-04-07 16:09 UTC · stale

Kosmos-2554 · NORAD 52202 · 2022-036 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
2022-036A
Epoch
2022-04-07 16:09:57 UTC
Mean motion
14.99047312 rev/day
Eccentricity
0.0475884
Inclination
67.1464°
Ascending node
351.774°
Arg. of perigee
92.3176°
Mean anomaly
329.3447°
Element set
999
Rev at epoch
2
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

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

  • Kosmos-2554 · NORAD 52202 · in orbit

Soyuz-2-1b Blok-I · re-entered November 30, 2022

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

Map of 43/3 (43L)

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

224th launch from 43/3 (43L), 2nd this year · 1,649th from Plesetsk Cosmodrome, Russian Federation

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

15 days after the previous launch from this pad

Updates

Launch success

Show 2 earlier updates
  • Liftoff occurred.

    Cosmic_Penguin · 4/7/2022 · source

  • Added launched per NOTAMs and press reports; payload and launch vehicle type not confirmed.

    Cosmic_Penguin · 4/4/2022 · source

Questions

When did Kosmos 2554 (Lotos-S1) launch?

Kosmos 2554 (Lotos-S1) launched on April 7, 2022. The time is known to the hour, not the minute.

Where can I watch Kosmos 2554 (Lotos-S1)?

No webcast is on record for this launch.

What rocket launched Kosmos 2554 (Lotos-S1)?

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

Where did Kosmos 2554 (Lotos-S1) launch from?

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

What orbit did Kosmos 2554 (Lotos-S1) reach?

Kosmos-2554, one of 2 catalogued objects, reached a 246 × 908 km orbit inclined 67.1°.

How many satellites did Kosmos 2554 (Lotos-S1) launch?

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