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SBIRS GEO-5 (USA 315) (48618)
COSPAR: 2021-042A | Alt Name: SBIRS GEO-5
Image
Additional Sources
Launch Details
Launch Date
May 18, 2021
Launch Site
Launch Pad
SLC41
Launch Vehicle
Atlas V 421
Orbital Elements
NORAD ID
48618
International Designator
2021-042A
Epoch
Thu, 02 Jul 2026 19:17:02 GMT
Apogee
Calculating...
Perigee
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Inclination
5.08°
Right Ascension
329.23°
Eccentricity
Calculating...
Argument of Perigee
139.39°
Period
1436.10 min
Mean Motion
1.00 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
SBIRS GEO-5 (USA 315)
Alternative Name
SBIRS GEO-5
Type
Payload
Status
Operational
Owner
USSF
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 48618U 21042A 26183.80350139 -.00000255 00000-0 00000-0 0 9998
2 48618 5.0843 329.2322 0001899 139.3906 195.2902 1.00271562 18922
Source: Celestrak
Summary
The SBIRS GEO-5 (USA 315) satellite, designated OBJECT_ID 2021-042A and NORAD_CAT_ID 48618, is a US-built early warning spacecraft manufactured by LMSS under the A2100 BUS configuration. Launched on May 18, 2021, from SLC41 at AFETR using an Atlas V 421 launch vehicle, it has a dry mass of 2500 kg and a launch mass of 4500 kg. Its dimensions are 6 meters in length, 2.5 meters in diameter, with a span of 25 meters. The satellite is equipped with two SBIRS sensors (scanning and staring) for early warning purposes and is powered by two deployable solar arrays along with batteries. It has an expected lifetime of 12 years and operates under the ownership of the USSF.
Physical Characteristics
Length
6
Diameter
2.5
Span
25
Dry Mass
2500
Launch Mass
4500
Shape
Box + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SBIRS GEO SV5
Purpose
Early Warning
Mission
Early Warning
Manufacturer
LMSS
Life Expectancy
12 years
Bus
A2100
Configuration
LM-2100M
Motor
Leros 1C
Equipment
2 SBIRS sensors (scanning and staring)
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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