X Report 11 Sep 2025
SpaceX successfully launched 21 military satellites, marking a key achievement in national security efforts, while preparations continue for the upcoming NASA mission and insights emerge from the Starship development process.
Launch Date
December 20, 1990
Launch Site
Launch Pad
LC81/23
Launch Vehicle
Proton-K/DM-2
NORAD ID
21019
International Designator
1990-112D
Epoch
Sat, 04 Jul 2026 04:23:59 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
12.88°
Right Ascension
337.96°
Eccentricity
Calculating...
Argument of Perigee
184.24°
Period
1439.39 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
SL-12 R/B(2)
Alternative Name
Blok DM-2 No. 48L
Type
Status
Owner
RVSN
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
1 21019U 90112D 26185.18332340 -.00000139 00000-0 00000-0 0 9996
2 21019 12.8816 337.9641 0025509 184.2383 349.5049 1.00042123120105
Source: Celestrak
Length
6.3
Diameter
3.7
Span
6.3
Dry Mass
2440
Launch Mass
17490
Shape
Cyl
Radar Cross Section
2.5179
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
11S861 No. 48L
Purpose
Unknown
Mission
Unknown
Manufacturer
NPOE
Life Expectancy
Unknown
Bus
Blok DM
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Learn more about satellites and other related topics.
SpaceX successfully launched 21 military satellites, marking a key achievement in national security efforts, while preparations continue for the upcoming NASA mission and insights emerge from the Starship development process.
Dive into the latest developments including U.S. national security launch contracts, penalties for drone violations at military bases, and emerging European launch providers.
On January 20, 1972, the second KH-9 HEXAGON lifted off from Vandenberg - carrying the most sophisticated reconnaissance system ever built by engineers who weren't allowed to say 'film,' 'camera,' or even talk to each other about what they were doing.
Today's space brief covers significant advancements in military counter-drone capabilities, workforce challenges in the Navy related to DOGE budget cuts, and highlights Germany's rise in defense spending. We also shine a spotlight on the communications satellite INTELSAT 901.
A busy day in space as delays hit Boeing's Starliner launch, SpaceX continues its rapid launch cadence, new concerns arise with the discovery of bacteria on the Tiangong space station, and the European Space Agency supports a pivotal Moon mission.
Notable space events as the year closes: China's record orbital launches, Vandenberg's new launch site, Rocket Lab's achievements, and urgent MAVEN recovery efforts.
SpaceX wraps up a record-breaking year with successful launches and advancements in Starlink mega-constellation.
SpaceX successfully launched the Transporter-15 rideshare mission, deploying 140 payloads including significant international contributions. Meanwhile, the company progresses with Booster 19 stacking after the recent Booster 18 anomaly.