NAVSTAR 70 (USA 251), 39741
Orbit data source: Space-Track
NAVSTAR 70 (USA 251), 39741 is a payload satellite owned by USAF SMC (US) in MEO that was launched on Sat, 17 May 2014 UTC via a DELTA 4M+(4,2) launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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39741 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Last TLE update
1 day ago
Origin
Manufacturer
Boeing/ES
Mission
Operational Defense Navigation
Bus & Motor
GPS IIF, AOCS
Mass
1,630 kg wet, ~1,500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, Unknown HBR
Radar Cross Section
13.960 m², Large (>1 m²)
Expand to show TLE details & history
TLE from 1 day ago
0 NAVSTAR 70 (USA 251)
1 39741U 14026A 25184.95550687 -.00000096 00000-0 00000-0 0 9998
2 39741 56.6421 345.0629 0034672 319.5780 40.1690 2.00573044 81558Epoch: 2025-07-03T22:55Z
TLE epoch observation values (Epoch: 2025-07-03T22:55:55.793Z)
Latitude
-0.00006°
Longitude
78.8549°
Altitude
20,111.536 km
Speed
3.884 km/s
True Right ascension
23h 00m 12s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
47.80628°
Longitude
125.30847°
Altitude
20,207.79 km
Speed
3.872 km/s
Apparent Right ascension
01h 49m 31s
Apparent Declination
34° 41' 13"
Sunlit
Visualization observer readout
Local Sidereal Time
12:48:39
Azimuth
347.146° N
Elevation
-14.088°
Doppler factor
1
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Other satellites on launch #26 in the year 2014 (2014-05-17 UTC)
NAVSTAR 70 (USA 251) Visibility forecast
Observer location: undefined°, undefined°
Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 332 mins | 2025-07-05 09:47:00.335Z | 179.019° S | 2025-07-05 12:22:00.335Z | 103.894° ESE | 44.398° | 2025-07-05 15:19:00.335Z | 61.768° ENE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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