Space Brief 21 Oct 2025
Today's brief covers the latest in satellite technology contracts, China's rocket launch ambitions, and new launch authorizations paving the way for space exploration advancements.
AC1-001 (66744)
COSPAR: 2025-276CG | Alt Name: N/A
Image
Additional Sources
Launch Details
Launch Date
November 28, 2025
Launch Site
AFWTR
Launch Pad
SLC4E
Launch Vehicle
Chang Zheng 3B
Orbital Elements
NORAD ID
66744
International Designator
2025-276CG
Epoch
Sun, 19 Jul 2026 19:01:50 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
97.42°
Right Ascension
273.51°
Eccentricity
Calculating...
Argument of Perigee
224.19°
Period
94.83 min
Mean Motion
15.18 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Explore in the Catalog
Basic Satellite Info
Name
AC1-001
Alternative Name
N/A
Type
Payload
Status
Operational
Owner
BAEG/INSBAE
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 66744U 25276CG 26200.79294080 .00001053 00000+0 54330-4 0 9995
2 66744 97.4189 273.5112 0001520 224.1899 135.9214 15.18468914 35359
Source: Celestrak
Summary
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.
Physical Characteristics
Length
0.9
Diameter
0.9
Span
0.9
Dry Mass
140
Launch Mass
140
Shape
Trunc pyramid
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
AC1-001
Purpose
Unknown
Mission
Unknown
Manufacturer
INSBAE
Life Expectancy
Unknown
Bus
P10
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
New Glenn Upper Stage Fails, BlueBird 7 Lost, Space Brief 20 Apr 2026
New Glenn's upper stage malfunctioned April 19, stranding AST SpaceMobile's BlueBird 7; the satellite is lost. Vulcan may fly without solid boosters.
X Report 19 Nov 2024
Starship Flight 6 approaches with a daring booster catch, while SpaceX ramps up satellite launches and navigates regulatory challenges.
Space Brief 26 Oct 2025
Today's brief covers a new Space Force contract for advanced tracking systems, innovative debris removal strategies, pivotal new satellite launches, and significant updates in air quality tracking from orbit.
SpaceX and Starlink
This article delves into SpaceX's incredible journey from its inception to becoming a space industry leader, and its Starlink project's mission to provide global internet access.
Space Brief 29 May 2025
Today's brief covers a Japanese military satellite launch, new GPS satellite orders by the Space Force, and a Moog propulsion system contract, among other notable developments.
SpaceX Launches 13th NRO Proliferated Architecture Mission | KeepTrack Space Brief
Falcon 9 successfully deployed NROL-72 for National Reconnaissance Office's 13th proliferated architecture mission. Low-Earth orbit intelligence constellation expanding since 2021.
X Report 2 May 2025
SpaceX successfully launched 28 more Starlink satellites from Cape Canaveral, marking another milestone in its satellite constellation expansion.