DARPA Robotic GEO Servicer Targeting Summer 2026 Launch | KeepTrack Space Brief
DARPA's robotic satellite servicing mission targets GEO orbit by summer 2026. NASA adds six SpaceX crew missions as Boeing Starliner remains uncertified.
STARLINK-36121 (66940)
COSPAR: 2025-286R | Alt Name: N/A
Image
Additional Sources
Launch Details
Orbital Elements
NORAD ID
66940
International Designator
2025-286R
Epoch
Sun, 19 Jul 2026 03:51:51 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
53.16°
Right Ascension
105.80°
Eccentricity
Calculating...
Argument of Perigee
99.50°
Period
93.85 min
Mean Motion
15.34 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
STARLINK-36121
Alternative Name
N/A
Type
Payload
Status
Operational
Owner
SPXS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 66940U 25286R 26200.16101316 .00010278 00000+0 31489-3 0 9992
2 66940 53.1577 105.7968 0001203 99.5028 260.6110 15.34402709 35571
Source: Celestrak
Summary
Starlink is a satellite constellation developed by SpaceX with the aim of providing global broadband internet coverage. Thousands of small satellites are deployed in low Earth orbit (LEO), enabling high-speed internet access even in remote areas. However, the rapid increase in satellites raises concerns about space debris and the potential for collisions, which can lead to further debris creation and endanger other spacecraft. Additionally, the sheer number of Starlink satellites can affect astronomical observations by increasing light pollution. Proper deorbiting plans and international coordination are essential to mitigate these challenges and ensure long-term sustainability in space.
Physical Characteristics
Length
0.3
Diameter
4.1
Span
29.0
Dry Mass
530
Launch Mass
575
Shape
Box + pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Starlink Group 11-15-16
Purpose
Unknown
Mission
Unknown
Manufacturer
SPXS
Life Expectancy
Unknown
Bus
Starlink V2MO
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
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