Version 10.0.0 Release Notes
The latest update introduces 3D satellite FOV cones, advanced sensor capabilities, and enhanced timelines, improving the way users interact with satellite data.
Launch Date
September 24, 1985
Launch Site
PLMSC
Launch Pad
LC43/4
Launch Vehicle
Molniya 8K78M
NORAD ID
16064
International Designator
1985-084A
Epoch
Fri, 26 Jun 2026 01:55:05 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
67.72°
Right Ascension
82.32°
Eccentricity
Calculating...
Argument of Perigee
95.26°
Period
717.50 min
Mean Motion
2.01 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
COSMOS 1684
Alternative Name
Kosmos-1684
Type
Status
Owner
PVO
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
1 16064U 85084A 26177.07991910 -.00000744 00000-0 00000-0 0 9997
2 16064 67.7170 82.3194 5212520 95.2629 323.4299 2.00695618298507
Source: Celestrak
Length
4
Diameter
2
Span
5
Dry Mass
1150
Launch Mass
1250
Shape
Cyl + 2 Pan
Radar Cross Section
9.5889
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Oko 73D6 No. 6033
Purpose
Early warning
Mission
Early warning
Manufacturer
NPOL/KOMET
Life Expectancy
Unknown
Bus
Oko
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
2 deployable fixed solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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