Space Brief 26 May 2025
Today's highlights include China's lunar collaboration with Russia, new insights from Magellan's Venus mission, and stunning 8K images of the sun.
SHIYAN 27E (63603)
COSPAR: 2025-078E | Alt Name: N/A
Image
Additional Sources
Launch Details
Launch Date
April 18, 2025
Launch Site
TSC
Launch Pad
LC9A
Launch Vehicle
Chang Zheng 6A
Orbital Elements
NORAD ID
63603
International Designator
2025-078E
Epoch
Sun, 19 Jul 2026 20:28:31 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
99.69°
Right Ascension
207.51°
Eccentricity
Calculating...
Argument of Perigee
86.31°
Period
106.10 min
Mean Motion
13.57 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Explore in the Catalog
Basic Satellite Info
Name
SHIYAN 27E
Alternative Name
N/A
Type
Payload
Status
Operational
Owner
CAST
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 63603U 25078E 26200.85314788 -.00000014 00000+0 42369-4 0 9997
2 63603 99.6901 207.5116 0000971 86.3123 273.8126 13.57244974 61963
Source: Celestrak
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
0.3
Diameter
3.0
Span
10.0
Dry Mass
300
Launch Mass
300
Shape
Box+pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Shiyan 27 hao 05 xing
Purpose
Unknown
Mission
Unknown
Manufacturer
CAST
Life Expectancy
Unknown
Bus
SW27
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Virgin Galactic's Upcoming "Galactic 06" Spaceflight
On January 26, 2024, Virgin Galactic's "Galactic 06" mission will launch, marking its 11th spaceflight.
Space Brief 13 Dec 2024
Today's brief highlights the U.S. Space Force's upcoming modular satellite mission, increased military reliance on commercial space intelligence, and the demand for expanded commercial reserve support. Learn more about these advancements alongside our Satellite Spotlight on Yaogan-30 B.
Falcon 9 Launches 25 Starlink Satellites After Weather Delays | KeepTrack X Report
SpaceX launches 25 Starlink satellites from Vandenberg after multiple weather delays. 20th Falcon 9 mission of 2026 features second-ever booster landing near The Bahamas.
New Glenn Explodes After USSF Awards Blue Origin Security Contract | KeepTrack Space Brief
New Glenn rocket exploded hours after U.S. Space Force and NRO awarded Blue Origin a national security launch task order. Stand-down and mishap investigation expected.
Four Raptors Fail, Starship 13 Scrubbed at T-0, X Report 18 Jul 2026
Four Raptor engines failed to ignite at T-0, scrubbing Starship Flight 13 on July 16; SpaceX now targets July 20 for next attempt.
SpaceX Deploys 21 Military Data-Relay Satellites for SDA, Space Brief 17 Jul 2026
SpaceX launched 21 York Space Systems satellites for Space Development Agency's Tranche 1 Transport Layer, bringing SDA's military data-relay constellation to roughly half its planned size.
X Report 6 Dec 2024
SpaceX achieves a milestone with its 350th successful mission, including a significant Starlink launch, while Starship advances in testing. Meanwhile, SpaceX boosts SiriusXM's satellite fleet and industry competitors make strides.