First Nuclear-Powered Commercial Satellite Flies on Transporter-17 | KeepTrack X Report
SpaceX's Transporter-17 rideshare carried 81 payloads including history's first nuclear-powered commercial satellite on July 7.
COSMOS 121 (02210)
COSPAR: 1966-054A | Alt Name: Kosmos-121
DECAYED
Image
Additional Sources
Launch Details
Launch Date
June 17, 1966
Launch Site
PLMSC
Launch Pad
LC41/1
Launch Vehicle
Voskhod 11A57
Orbital Elements
NORAD ID
02210
International Designator
1966-054A
Decay Date
6/25/1966
Basic Satellite Info
Name
COSMOS 121
Alternative Name
Kosmos-121
Type
Payload
Status
Decayed
Owner
TSUKOS
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
6.5
Diameter
2.4
Span
6.5
Dry Mass
2200
Launch Mass
2200
Shape
Sphere + DCone
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Zenit-4 No. 20L
Purpose
Unknown
Mission
Unknown
Manufacturer
OKB1F3
Life Expectancy
Unknown
Bus
Zenit-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 17 Mar 2025
SpaceX's Crew-10 mission safely docks with the ISS, setting up for a crew rotation. Starlink continues its global expansion with additional satellite deployments.
X Report 30 Oct 2025
SpaceX continues to ramp up its operations with the launch of 29 more Starlink satellites, while significant upgrades at its Starbase facility signify ambitious future plans.
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.
Space Brief 10 Jun 2025
Today's brief covers increased Space Force funding, a renewed focus on nuclear power in space, a proposed US missile defense system, new defense budget revelations, and NATO's call for increased air defenses.
Space Brief 5 Nov 2025
Today's focus: Sidus Space's new AI edge computer, Space Force's dynamic operations initiative, and key Pentagon acquisition reforms.
Space Brief 21 Dec 2025
Today's briefing highlights the SDA's significant satellite award, Blue Origin's groundbreaking flight, and NASA's call for an Artemis review.
X Report 2 Nov 2025
SpaceX successfully completed its 100th Starlink mission of the year and launched the 'Haven Demo' private space station along with 17 other satellites. The company also made strides in lunar lander development for Artemis III.