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 25188.94399230 -.00000087 00000-0 00000-0 0 9996
2 39741 56.6411 344.9084 0034671 319.4445 40.2998 2.00572741 81630Epoch: 2025-07-07T22:39Z
TLE epoch observation values (Epoch: 2025-07-07T22:39:20.934Z)
Latitude
0.00001°
Longitude
78.91087°
Altitude
20,111.691 km
Speed
3.884 km/s
True Right ascension
22h 59m 34s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
-53.13884°
Longitude
17.57322°
Altitude
20,123.059 km
Speed
3.884 km/s
Apparent Right ascension
18h 19m 13s
Apparent Declination
-65° 35' 15"
Sunlit
Visualization observer readout
Local Sidereal Time
20:17:36
Azimuth
192.392° SSW
Elevation
-17.978°
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 | 2025-07-09 09:29:59.955Z | 179.007° S | 2025-07-09 12:04:59.955Z | 104.869° ESE | 44.393° | 2025-07-09 15:01:59.955Z | 61.634° ENE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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