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OPS 6553 (13172)
COSPAR: 1982-041C | Alt Name: FARRAH I
Image
Additional Sources
Launch Details
Launch Date
May 11, 1982
Launch Site
AFWTR
Launch Pad
SLC4E
Launch Vehicle
Titan IIID
Orbital Elements
NORAD ID
13172
International Designator
1982-041C
Epoch
Sat, 04 Jul 2026 01:34:33 GMT
Apogee
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Perigee
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Inclination
96.01°
Right Ascension
295.38°
Eccentricity
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Argument of Perigee
220.22°
Period
95.59 min
Mean Motion
15.06 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
OPS 6553
Alternative Name
FARRAH I
Type
Payload
Status
Unknown
Owner
NRO/SAFSP
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 13172U 82041C 26185.06567068 .00005507 00000-0 37598-3 0 9991
2 13172 96.0099 295.3813 0008380 220.2239 139.8373 15.06431564118200
Source: Celestrak
Summary
OPS 6553 (also known as FARRAH I) is an ELINT and SIGINT satellite launched on May 11, 1982, from AFWTR SLC4E using a Titan IIID launch vehicle. It was manufactured by LMSC with the P-11 bus configuration and has dimensions of 1.5 meters in length, 0.4 meters in diameter, and a span of 1.5 meters. The satellite's dry mass is 390 kg, with a total launch mass of 400 kg. It uses solar cells and batteries for power and carries the P-11 No. 4433 payload. Its mission purpose is to conduct ELINT and SIGINT activities. The spacecraft is owned by NRO/SAFSP and was stabilized in orbit on May 12, 1982.
Physical Characteristics
Length
1.5
Diameter
0.4
Span
1.5
Dry Mass
390
Launch Mass
400
Shape
Box + Ant
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
P-11 No. 4433
Purpose
ELINT, SIGINT
Mission
ELINT, SIGINT
Manufacturer
LMSC
Life Expectancy
Unknown
Bus
SSU D
Configuration
P-11 bus
Motor
Kick motor
Equipment
?
Power System
Solar cells, 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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