X Report 13 Aug 2025
SpaceX continues to innovate as it nears peak Falcon 9 launch rates while refining technologies pivotal for future Mars missions.
JANUS-1 (55564)
COSPAR: 2023-019C | Alt Name: Janus-1
DECAYED
Image
Additional Sources
Launch Details
Launch Date
February 10, 2023
Launch Site
SRILR
Launch Pad
FLP
Launch Vehicle
SSLV
Orbital Elements
NORAD ID
55564
International Designator
2023-019C
Decay Date
6/29/2023
Explore in the Catalog
Basic Satellite Info
Name
JANUS-1
Alternative Name
Janus-1
Type
Payload
Status
Decayed
Owner
ANTAR
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
JANUS-1, also known as Janus-1, is a 6U CubeSat technology satellite manufactured by ANTAR and owned by the same entity. It was launched on February 10, 2023, from the SRILR launch site using FLP as the launch pad with an SSLV launch vehicle. The satellite measures 0.3 meters in length, has a diameter of 0.2 meters, and spans 0.3 meters across. It weighs 10 kilograms both at launch and dry mass. Equipped with two deployable solar arrays and batteries for power, JANUS-1's primary purpose is technology demonstration. The satellite does not have any specific equipment listed, a motor, or significant events recorded, and it has the shape of a box.
Physical Characteristics
Length
0.3
Diameter
0.2
Span
0.3
Dry Mass
10
Launch Mass
10
Shape
Box
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Janus-1
Purpose
Technology
Mission
Technology
Manufacturer
ANTAR
Life Expectancy
Unknown
Bus
Cubesat 6U
Configuration
CubeSat (6U)
Motor
None
Equipment
Unknown
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
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.
Apogee and Perigee
Understanding the high and low points of every orbit - from the International Space Station's careful dance with Earth's atmosphere to the extreme ellipses that take satellites to the edge of space and back.
Besxar Semiconductor Pods Launch on Starlink 10-50 | KeepTrack Space Brief
SpaceX Falcon 9 launches Starlink 10-50 with two Besxar semiconductor manufacturing test pods. In-space fabrication experiment explores cost reduction for commercial payloads.
Space Brief 3 Dec 2025
Today's brief covers the integration of commercial and military space capabilities, a notable change in Crew 12 mission, advancements in digital training for space operations, and more.
Who Owns the Most Satellites Orbiting Earth?
Uncover the top companies dominating the satellite industry. From SpaceX to One Web, learn who's leading in space assets. Full list inside.
China's Shenlong Deploys Six Objects
Details on China's current Shenlong spaceplane mission and its recent deployment of six objects.
Space Domain Awareness (SDA)
The evolution from simply tracking objects in orbit to understanding the full strategic picture of who is doing what in space, and why