Space Brief 8 Jan 2025
Today's highlights include China's launch of the Shijian-25 for on-orbit refueling tests, major Pentagon contracts for solid rocket motors and hypersonic testing, and the US Space Force's record-setting year of launches.
THOR AGENA D (00637)
COSPAR: 1963-035A | Alt Name: OPS 1561
DECAYED
Image
Additional Sources
Launch Details
Launch Date
August 29, 1963
Launch Site
AFWTR
Launch Pad
75-3-5
Launch Vehicle
Thor SLV-2 Agena D
Orbital Elements
NORAD ID
00637
International Designator
1963-035A
Decay Date
11/7/1963
Explore in the Catalog
Basic Satellite Info
Name
THOR AGENA D
Alternative Name
OPS 1561
Type
Payload
Status
Decayed
Owner
NRO/ACE
Country
United States
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
1.3
Diameter
1.5
Span
1.3
Dry Mass
101
Launch Mass
101
Shape
Frust
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
ARGON 11
Purpose
Unknown
Mission
Unknown
Manufacturer
LMSC
Life Expectancy
Unknown
Bus
CORONA ARGON
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.
Space Brief 11 Apr 2025
Today's brief covers Millennium's milestone in missile defense, new satellite jammer for Space Force, budget increases for defense, delays in MEO satellite contracts, and potential impacts of Trump's latest order on Pentagon programs.
X Report 7 Jun 2025
SpaceX successfully launched the SXM-10 satellite for SiriusXM and prepares for the Ax-4 mission to the ISS amid political tensions involving Elon Musk and President Trump.
DAF Space Restructure Announced Within Days, PAE Leaders Named | KeepTrack Space Brief
Department of Air Force announces finalized Program Acquisition Executive structure within days, reshaping oversight of GPS, SBIRS, and Protected Tactical Satcom systems.
X Report 22 Jul 2025
Critical updates from SpaceX include a scrubbed satellite launch and a busy launch schedule for the week, featuring multiple Falcon 9 missions.
Space Brief 29 Nov 2024
Today's brief covers China's Beidou satellite plans, SpaceX's Starship advancements, potential Space Command HQ relocation, and more.
Shenzhou-23 Docks at Tiangong; Crew Member Targets 1-Year Stay | KeepTrack Space Brief
Shenzhou-23 docked with Tiangong May 24 with 3 astronauts, including Hong Kong's first crew member. One will stay ~1 year in orbit.
Rheinmetall Weighs Bid for Mynaric Amid Rocket Lab Acquisition | KeepTrack Space Brief
German defense giant Rheinmetall may bid for laser-comm firm Mynaric, challenging Rocket Lab's plans. SpaceX sets Falcon 9 reuse record. Juno reveals Europa ice sheet data.