Space Brief 2 Dec 2025
Today's brief covers China's classified Shijian-28 satellite launch, AI-designed spacecraft records, and upcoming global launch activities.
DELTA 1 DEB (42643)
COSPAR: 1975-052MC | Alt Name: deb Delta 111
Image
Additional Sources
Launch Details
Launch Date
June 12, 1975
Launch Site
AFWTR
Launch Pad
SLC2W
Launch Vehicle
Delta 2910
Orbital Elements
NORAD ID
42643
International Designator
1975-052MC
Epoch
Tue, 23 Jun 2026 06:09:54 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
99.65°
Right Ascension
8.39°
Eccentricity
Calculating...
Argument of Perigee
303.03°
Period
111.74 min
Mean Motion
12.89 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
DELTA 1 DEB
Alternative Name
deb Delta 111
Type
Debris
Status
Space Junk
Owner
GSFC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 42643U 75052MC 26174.25688511 .00000042 00000-0 25766-3 0 9999
2 42643 99.6504 8.3902 0294168 303.0313 54.2841 12.88754837 28477
Source: Celestrak
Summary
Space debris, also known as space junk, encompasses all non-functional objects orbiting Earth such as defunct satellites, spent rocket stages, and fragments from collisions or disintegrations. Over time, this debris can accumulate and create an increasingly hazardous environment in orbit. Even tiny fragments, traveling at extremely high velocities, can inflict significant damage on operational satellites and spacecraft. If left unmanaged, the density of debris raises the risk of catastrophic collisions and further fragmentation, compounding the problem and threatening the safety and sustainability of space activities.
Physical Characteristics
Length
0
Diameter
0
Span
0
Dry Mass
0
Launch Mass
0
Shape
N/A
Radar Cross Section
0.012
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Unknown
Purpose
Unknown
Mission
Unknown
Manufacturer
Unknown
Life Expectancy
Unknown
Bus
Unknown
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.
X Report 18 Feb 2025
SpaceX prepares for a historic Falcon 9 landing attempt in The Bahamas, while also contributing to FAA air traffic control modernization.
X Report 13 May 2025
SpaceX continues to expand its Starlink network with multiple launches and gains momentum in international markets, while revisiting launch tariffs and new regulations.
Space Brief 8 Nov 2025
Today's Space Brief covers major developments in Pentagon procurement methods, strategic satellite intelligence advancements, and increasing interest in drone technology within the defense sector.
GPS III SV10 | The Last of Its Kind, and the First of What Comes Next
On April 21, 2026, the tenth and final GPS Block III satellite reached medium Earth orbit aboard a SpaceX Falcon 9. Named for Hedy Lamarr, the actress whose 1942 frequency-hopping patent underpins modern GPS, SV10 closes a procurement that took eight years to deliver hardware and opens the optical-crosslink era that will define the constellation's next decade.
Space Brief 30 Jul 2025
Today's highlights include Space Force's new satcom design contracts, advances in AI training tools, Pentagon drone policy shifts, and the first Eris launch's failure.
SpaceX Eyes $1.75T Valuation in $75B IPO | KeepTrack X Report
SpaceX targets a $75B IPO valuing the company at over $1.75 trillion, while Falcon 9 chases its 200th drone ship landing at Vandenberg.
X Report 22 Jan 2025
SpaceX marks a successful launch of 21 Starlink satellites, follows up after Starship explosion, and influences Qantas flights amid a busy operational schedule.