Optical Intersatellite Link (OISL)
The laser-based crosslinks that turn Starlink into a mesh, anchor the SDA Transport Layer, and just made their GPS debut on GPS III SV10 - quietly rewriting how data moves through space.
Launch Date
December 10, 2023
Launch Site
XICLF
Launch Pad
XSC -
Launch Vehicle
Chang Zheng 2D
NORAD ID
58557
International Designator
2023-194A
Epoch
Sun, 19 Jul 2026 09:58:37 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
35.00°
Right Ascension
214.70°
Eccentricity
Calculating...
Argument of Perigee
247.13°
Period
94.55 min
Mean Motion
15.23 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
OBJECT A
Alternative Name
Yaogan 39 05 zu 01 xing
Type
Status
Owner
ZZB
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
1 58557U 23194A 26200.41571027 .00003681 00000+0 15416-3 0 9993
2 58557 34.9999 214.7003 0006700 247.1268 112.8740 15.23008205145273
Source: Celestrak
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.
Length
2.5
Diameter
2.5
Span
5
Dry Mass
300
Launch Mass
300
Shape
Box + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Yaogan 39-05 A
Purpose
Unknown
Mission
Unknown
Manufacturer
DFHZ
Life Expectancy
Unknown
Bus
Unknown
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Learn more about satellites and other related topics.
The laser-based crosslinks that turn Starlink into a mesh, anchor the SDA Transport Layer, and just made their GPS debut on GPS III SV10 - quietly rewriting how data moves through space.
Canada reconsiders Starlink contract amidst US tariff delays, and new concerns arise over falling space debris.
Today's brief covers Rocket Lab's Neutron being selected for military tests, Space Force's strategic updates, Germany's SAR satellite plans, and a significant NASA nomination.
How many Starlink satellites are in orbit in 2026? SpaceX passed 10,000 after the Starlink 17-24 launch, with 10,020 in orbit and 11,529 launched.
Today's brief covers developments in space traffic management, the X-37B spaceplane's upcoming mission, and satellite interference with radio telescopes.
SpaceX's Starlink V2 promises 100x data density for 5G direct-to-phone service. Deutsche Telekom targets 10 European countries by 2028.
This week: SpaceX launched 21 SDA missile-tracking satellites, Soyuz MS-29 carried a new crew to the ISS, and Europe's space spending rose 12%.
Today's highlights include Rocket Lab's record year, setbacks in Japanese space endeavors, secure communication advancements in orbit, and more updates on martian expeditions.