EXPLORER 30, 1738
Orbit data source: Space-Track
EXPLORER 30, 1738 is a payload satellite owned by NRL (US) in LEO that was launched on Fri, 19 Nov 1965 UTC via an SCOUT X-4 launch vehicle from the Wallops Island (WLPIS). 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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1738 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Last TLE update
12 hours ago
Origin
Manufacturer
NRL
Mission
Civil Astronomy
Bus & Motor
NRL 24", Unknown motor
Mass
57 kg wet, 57 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Sphere, 0.61 m
Radar Cross Section
0.292 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & history
TLE from 12 hours ago
0 EXPLORER 30
1 01738U 65093A 25182.57650941 .00000075 00000-0 64344-4 0 9994
2 01738 59.7082 357.5089 0138637 75.3562 286.2799 14.41590331105836Epoch: 2025-07-01T13:50Z
TLE epoch observation values (Epoch: 2025-07-01T13:50:10.413Z)
Latitude
-0.00005°
Longitude
-129.9045°
Altitude
728.315 km
Speed
7.506 km/s
True Right ascension
23h 50m 02s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
-15.45995°
Longitude
-140.7912°
Altitude
762.836 km
Speed
7.47 km/s
Apparent Right ascension
23h 55m 38s
Apparent Declination
-27° 36' 45"
Sunlit
Visualization observer readout
Local Sidereal Time
13:05:14
Azimuth
54.78° ENE
Elevation
-71.072°
Doppler factor
1
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Other satellites on launch #93 in the year 1965 (1965-11-19 UTC)
EXPLORER 30 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-07-02 13:16:19.933Z | 196.936° SSW | 2025-07-02 13:20:19.933Z | 132.311° SE | 37.113° | 2025-07-02 13:24:19.933Z | 52.403° ENE |
| 6 mins | 2025-07-02 15:01:19.933Z | 275.993° WNW | 2025-07-02 15:04:19.933Z | 327.247° NNW | 22.987° | 2025-07-02 15:07:19.933Z | 13.156° NNE |
| 5 mins | 2025-07-02 20:18:19.933Z | 4.85° NNE | 2025-07-02 20:20:19.933Z | 37.702° NE | 19.545° | 2025-07-02 20:23:19.933Z | 79.693° E |
| 8 mins | 2025-07-02 22:00:19.933Z | 314.437° NW | 2025-07-02 22:04:19.933Z | 201.053° SSW | 42.775° | 2025-07-02 22:08:19.933Z | 151.14° SSE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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