Launch Date
October 30, 1973
Launch Site
AFWTR
Launch Pad
SLC5
Launch Vehicle
Scout A-1
NORAD ID
06909
International Designator
1973-081A
Epoch
Fri, 03 Jul 2026 22:44:55 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
89.86°
Right Ascension
252.02°
Eccentricity
Calculating...
Argument of Perigee
188.00°
Period
104.99 min
Mean Motion
13.72 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
NNSS 20 (TRANSIT 20)
Alternative Name
NNS 30200-16
Type
Status
Owner
NAVAIR
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
1 06909U 73081A 26184.94786617 .00000206 00000-0 19923-3 0 9997
2 06909 89.8624 252.0193 0154370 188.0002 171.8698 13.71515545831463
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
0.3
Diameter
0.5
Span
30
Dry Mass
64
Launch Mass
64
Shape
Oct Cyl + 4 Pan + Ant
Radar Cross Section
1.2826
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
NNS O-20
Purpose
Navigation
Mission
Navigation
Manufacturer
RCA
Life Expectancy
Unknown
Bus
Transit 5
Configuration
Transit-Bus, Gravity Stabilized
Motor
?
Equipment
?
Power System
4 deployable fixed solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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