Space Brief 9 Jan 2025
Today's briefing includes new appointments in U.S. military and defense sectors, X-37B's continued mission, and international policy shifts affecting satellite technology sales.
PROTON 2 (01701)
COSPAR: 1965-087A | Alt Name: Proton-2
DECAYED
Image
Additional Sources
Launch Details
Launch Date
November 2, 1965
Launch Site
Launch Pad
LC81/23
Launch Vehicle
UR-500
Orbital Elements
NORAD ID
01701
International Designator
1965-087A
Decay Date
2/6/1966
Basic Satellite Info
Name
PROTON 2
Alternative Name
Proton-2
Type
Payload
Status
Decayed
Owner
OKB1
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
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
4
Diameter
4.1
Span
9
Dry Mass
8300
Launch Mass
8300
Shape
Cyl + 4 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
N-4 No. 2
Purpose
Unknown
Mission
Unknown
Manufacturer
OKB1
Life Expectancy
Unknown
Bus
Proton N-4
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
X Report 18 Sep 2025
SpaceX gears up for a busy week with new Starship testing and enhanced Starlink capabilities on the horizon.
Space Brief 17 May 2025
Today's brief covers SES's satellite orchestration, SpaceX's defense role, cyber scorecards in DoD, and more.
The Day That Humans Discovered Rocket Fuel
On February 2, 1909, Robert Goddard made a revolutionary breakthrough in his notebook: liquid oxygen and liquid hydrogen could achieve 50% efficiency in converting heat energy to kinetic energy for rocket propulsion
Space Brief 31 Jul 2025
Today's Space Brief brings updates on the U.S. Space Force's upcoming missions, in-space technology strategies, the challenges faced by new launchers, and advancements in satellite communication.
Space Brief 2 Sep 2025
Today's brief covers key topics such as SpaceX's latest Starlink launch, the European Space Agency's new initiatives, and Space Force's integration of AI into its operations.
The Day That Changed How We Navigate Forever
Forty-seven years ago, an Atlas rocket carried the first GPS satellite into orbit, launching a revolution in navigation that would transform daily life across the globe
X Report 27 Aug 2025
SpaceX successfully completes a critical test flight of its Starship vehicle while gearing up for another Starlink satellite launch, showcasing significant advancements in their launch capabilities.