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STPSAT-6 (49817)
COSPAR: 2021-118A | Alt Name: STPSAT-6
Image
Additional Sources
Launch Details
Launch Date
December 7, 2021
Launch Site
Launch Pad
SLC41
Launch Vehicle
Atlas V 551
Orbital Elements
NORAD ID
49817
International Designator
2021-118A
Epoch
Fri, 03 Jul 2026 23:40:12 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
0.36°
Right Ascension
85.26°
Eccentricity
Calculating...
Argument of Perigee
262.81°
Period
1436.11 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
STPSAT-6
Alternative Name
STPSAT-6
Type
Payload
Status
Operational
Owner
STP
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49817U 21118A 26184.98626122 -.00000034 00000-0 00000-0 0 9997
2 49817 0.3615 85.2570 0000914 262.8093 177.2700 1.00270695 16749
Source: Celestrak
Summary
STPSAT-6, also known by its NORAD catalog ID 49817 and OBJECT_ID 2021-118A, is a technology satellite launched on December 7, 2021, from Space Launch Complex 41 (SLC41) at the Cape Canaveral Space Force Station using an Atlas V 551 launch vehicle. The satellite has a configuration of A-500 bus and measures 2 meters in length with a diameter of 1 meter and span of 2 meters. Its dry mass is 1,000 kilograms, which is also its launch mass. STPSAT-6 was manufactured by Northrop Grumman Space Systems (NGAS) for the Space Test Program (STP), and it carries various equipment including SABRS-3, LCRD, CEASE, FalconSEED, RHEME, SENSER, SIRI, UVSC Pathfinder, among others. Power is provided by two deployable solar arrays and batteries. The satellite has a box shape with panels and an expected lifetime of 8 to 10 years.
Physical Characteristics
Length
2
Diameter
1
Span
2
Dry Mass
1000
Launch Mass
1000
Shape
Box+panels
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
STPSAT-6
Purpose
Technology
Mission
Technology
Manufacturer
NGAS
Life Expectancy
8-10 years
Bus
A-500
Configuration
A-500 bus
Motor
12 x 22 N REAs
Equipment
SABRS-3, LCRD, CEASE, FalconSEED, RHEME, SENSER, SIRI, UVSC Pathfinder, ?
Power System
2 deployable solar arrays, batteries
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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