Key statistics
Satellite NNSS 19 (TRANSIT 19) at a glance.
Uptime
20099
Days in orbit
Revolutions
≈ 13.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
90.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for NNSS 19 (TRANSIT 19).
Object identification
Identified? True
Debris? False
Object name: NNSS 19 (TRANSIT 19)
International designator: 1970-067A
Object number (NORAD): 4507
Object ID (CCSDS): 4507
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 106.566 minutes
Inclination: 89.9934 deg
SMA: 7445.71 km
Apoapsis: 1194.598 km
Periapsis: 940.551 km
RAAN: 234.51 deg
Eccentricy: 0.01706001
Argument of periapsis: 215.833 deg
Mean anomaly: 143.1282 deg
Mean motion: 13.51274648 rev/day
Mean motion (dot): 0.00000166 rev/day2
B* drag term: 0.00022153026 1/REarth
Two-line elements (TLE)
Creation date: Sept. 6, 2025, 2:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 5, 2025, 10:58 p.m. UTC
TLE line 0: 0 NNSS 19 (TRANSIT 19)
TLE line 1: 1 04507U 70067A 25248.95748079 .00000166 00000-0 22153-3 0 9995
TLE line 2: 2 04507 89.9934 234.5100 0170600 215.8330 143.1282 13.51274648709010
Live tracking on map
Real-time ground track for satellite NNSS 19 (TRANSIT 19).
In-orbit conjunctions
There are no conjunctions computed for NNSS 19 (TRANSIT 19), at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
The Transit-O series of satellites that closely followed the design of Transit 5C-1 were also called “Oscars” (Oscar is the phonetic alphabet for “O”, i. e., operational). They were also called NNS (Navy Navigation Satellite) or shortened NavSat.
NNSS 19 (TRANSIT 19) was lifted into orbit during the mission ‘Scout A | Transit-O 19’, on board a Scout A space rocket.
The launch took place on Aug. 27, 1970, 1:23 p.m. from Space Launch Complex 5.
For more information about the launch, click the button.
Scout A | Transit-O 19
Agency: N/A
Status: Launch Successful
Launch date: Aug. 27, 1970, 1:23 p.m. UTC
Rocket: Scout A
Launch pad: Space Launch Complex 5
Location: Vandenberg SFB, CA, USA
...
Latest news about this satellite
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