Kosmos 2554 (Lotos-S1)

Overview

Destination: Low Earth Orbit
Mission: Government/Top Secret

Low Earth Orbit 43/3 (43L) Plesetsk Cosmodrome, Russian Federation

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

Updates

Cosmic_Penguin • April 7, 2022, 12:20 p.m.

Launch success


Cosmic_Penguin • April 7, 2022, 11:50 a.m.

Liftoff occurred.


Cosmic_Penguin • April 4, 2022, 4:08 a.m.

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


Soyuz 2.1b

Family: Soyuz
Configuration:

Soyuz-2 is the 21st-century version of the Russian Soyuz rocket. In its basic form, it is a three-stage carrier rocket for placing payloads into low Earth orbit. The 2.1b version adds an upgraded engine (RD-0124) with improved performance to the second stage.

Specifications
  • Minimum Stage
    2
  • Max Stage
    3
  • Length
    46.3 m
  • Diameter
    2.95 m
  • Fairing Diameter
  • Launch Mass
    312 T
  • Thrust
Family
  • Name
    Soyuz 2.1b
  • Family
    Soyuz
  • Variant
  • Alias
  • Full Name
    Soyuz 2.1b
Payload Capacity
  • Launch Cost
    $80000000
  • Low Earth Orbit
    8200 kg
  • Geostationary Transfer Orbit
    3250 kg
  • Direct Geostationary
  • Sun-Synchronous Capacity
    4900 kg

Progress Rocket Space Center

Circle Image
Dmitry Baranov Founded: 1996 Successes: 44 Failures: 1 Pending: 0

Agency Type: Commercial

Progress Rocket Space Centre, formerly known as TsSKB-Progress, is a space science and aerospace research company which is known for manufacturing launch vehicles and satellites. Most notably, Progress Rocket Space Centre is the manufacturer of Soyuz launch vehicles.

INFO WIKI

Related News

Spaceflight Now

Russia launches Soyuz rocket with military spy satellite

A new Russian spy satellite launched April 7 aboard a Soyuz rocket, likely embarking on a mission to identify and locate foreign military forces by tracking their radio transmissions.

Plesetsk Cosmodrome, Russian Federation

43/3 (43L)


Firefly Alpha
Success
2 days, 13 hours ago
FLTA002 (To The Black)
Space Launch Complex 2W - Vandenberg SFB, CA, USA

Second test flight of the Firefly Alpha small sat launcher developed by Firefly Aerospace.


Long March 6
Success
6 days, 20 hours ago
Shiyan 16 A/B & Shiyan 17
Launch Complex 16 - Taiyuan, People's Republic of China

3 Chinese classified satellites


Long March 2D
Success
1 week ago
Yaogan 36
Launch Complex 3 ( LC-3 ) ( LA-1 ) - Xichang Satellite Launch Center, People's Republic of China

3 Chinese military reconnaissance satellites.


Falcon 9
Success
1 week, 1 day ago
Starlink Group 4-35
Space Launch Complex 40 - Cape Canaveral, FL, USA

A batch of 52 satellites for Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Kuaizhou
Success
1 week, 1 day ago
Shiyan 14 & Shiyan 15
Unknown Pad - Taiyuan, People's Republic of China

2 Chinese classified satellites.


Delta IV Heavy
Success
1 week, 1 day ago
NROL-91
Space Launch Complex 6 - Vandenberg SFB, CA, USA

Classified payload for the US National Reconnaissance Office (NRO).


Soyuz 2.1a
Success
1 week, 5 days ago
Soyuz MS-22
31/6 - Baikonur Cosmodrome, Republic of Kazakhstan

Soyuz MS-22 will carry Roscosmos cosmonauts Sergei Prokopeyev, Dmitry Petelin and NASA astronaut Frank Rubio to the International Space Station aboar…


Long March 2D
Success
1 week, 5 days ago
Yunhai-1-03
Launch Area 4 (SLS-2 / 603) - Jiuquan, People's Republic of China

The Yunhai-1 satellite is designed for detecting environmental elements in the atmosphere and ocean, the space environment, disaster prevention and r…


Falcon 9
Success
2 weeks ago
Starlink Group 4-34
Space Launch Complex 40 - Cape Canaveral, FL, USA

A batch of 54 satellites for Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Electron
Success
2 weeks, 3 days ago
The Owl Spreads Its Wings
Rocket Lab Launch Complex 1B - Onenui Station, Mahia Peninsula, New Zealand

Second of three launches of a StriX satellite as part of Synspective’s SAR constellation. StriX-1 can gather high resolution Earth observation data r…