ESA-China SMILE Mission Reaches Orbit After 10-Year Push | KeepTrack Space Brief
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OPS 7898 (P/L 3) (05681)
COSPAR: 1971-110D | Alt Name: OPS 7898 P/L 3
Image
Additional Sources
Launch Details
Launch Date
December 14, 1971
Launch Site
AFWTR
Launch Pad
SLC1W
Launch Vehicle
Thorad SLV-2G Agena D
Orbital Elements
NORAD ID
05681
International Designator
1971-110D
Epoch
Fri, 03 Jul 2026 14:08:42 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
69.99°
Right Ascension
332.01°
Eccentricity
Calculating...
Argument of Perigee
168.68°
Period
104.75 min
Mean Motion
13.75 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
OPS 7898 (P/L 3)
Alternative Name
OPS 7898 P/L 3
Type
Payload
Status
Unknown
Owner
NRO/NRL
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 05681U 71110D 26184.58937942 -.00000008 00000-0 44752-4 0 9993
2 05681 69.9903 332.0122 0007348 168.6786 191.4475 13.74645236359071
Source: Celestrak
Summary
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.
Physical Characteristics
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
Technical Details
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
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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