Launch Date
December 14, 1971
Launch Site
AFWTR
Launch Pad
SLC1W
Launch Vehicle
Thorad SLV-2G Agena D
NORAD ID
05681
International Designator
1971-110D
Epoch
Sun, 19 Jul 2026 17:50:03 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
69.99°
Right Ascension
298.68°
Eccentricity
Calculating...
Argument of Perigee
145.75°
Period
104.75 min
Mean Motion
13.75 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
OPS 7898 (P/L 3)
Alternative Name
OPS 7898 P/L 3
Type
Status
Owner
NRO/NRL
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 05681U 71110D 26200.74309112 -.00000017 00000+0 35311-4 0 9992
2 05681 69.9901 298.6818 0006482 145.7508 214.4005 13.74646229361299
Source: Celestrak
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.
Length
0.8
Diameter
0.6
Span
1.5
Dry Mass
128
Launch Mass
128
Shape
Ell + 2 Ant
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
POPPY 7 Charlie
Purpose
ELINT, ocean surveillance
Mission
ELINT, ocean surveillance
Manufacturer
Naval Research Laboratory
Life Expectancy
ca. 34 month (average)
Bus
NRL MULTI
Configuration
Unknown
Motor
Ammonia cold gas microthrusters
Equipment
Unknown
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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