X Report 21 Jan 2025
SpaceX successfully launches 21 Starlink satellites, marking their return post-Starship explosion. Starship's recent test flight leaves debris washing ashore, while Blue Origin's New Glenn debut sparks discussion.
Launch Date
December 26, 1974
Launch Site
Launch Pad
LC81/24
Launch Vehicle
Proton-K
NORAD ID
07591
International Designator
1974-104A
Decay Date
2/2/1977
Name
SALYUT 4
Alternative Name
Salyut-4
Type
Status
Owner
NPOE
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Length
13.1
Diameter
4.2
Span
13.1
Dry Mass
18500
Launch Mass
18500
Shape
Step Cyl + 3 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
DOS-4
Purpose
Unknown
Mission
Unknown
Manufacturer
ZIKH
Life Expectancy
Unknown
Bus
Almaz
Configuration
Unknown
Motor
KTDU-66
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Learn more about satellites and other related topics.
SpaceX successfully launches 21 Starlink satellites, marking their return post-Starship explosion. Starship's recent test flight leaves debris washing ashore, while Blue Origin's New Glenn debut sparks discussion.
At 7:33 on the morning of 18 June 1983, a 32-year-old astrophysicist named Sally Ride rode Challenger off Pad 39A and became the first American woman in space. She got there two decades after the Soviets, and only after months of being asked whether spaceflight would damage her reproductive organs and whether she planned to cry.
SpaceX Starfall reentry capsule debuted June 23: the 2,100 kg disk launched on a Falcon 9 from Cape Canaveral to demo cargo return from orbit.
On December 14, 2025, SpaceX achieved a significant milestone with its 550th booster landing following the launch of 27 new Starlink satellites, while exploring potential IPO strategies to fund future projects.
SpaceX launches NROL-105 spy satellite from Vandenberg — first national security mission of 2026. Crew-11 astronauts arrive in Houston after historic first-ever ISS medical evacuation.
Fifteen years ago, NASA launched its most advanced solar observatory, revolutionizing our understanding of our star and transforming space weather prediction
The White House wants to cut NASA's science budget nearly in half for the second year running. Administrator Jared Isaacman says it's enough. Congress already rejected this exact idea once.
SpaceX successfully launched 24 Starlink satellites from California while investigations begin on a possible Starship salvage operation near Mexico.