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
9 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 9 hours ago
0 EXPLORER 30
1 01738U 65093A 25182.85393239 .00000085 00000-0 66876-4 0 9992
2 01738 59.7082 356.5654 0138650 75.5929 286.0451 14.41590492105872Epoch: 2025-07-01T20:29Z
TLE epoch observation values (Epoch: 2025-07-01T20:29:39.758Z)
Latitude
-0.00004°
Longitude
129.0063°
Altitude
728.705 km
Speed
7.505 km/s
True Right ascension
23h 46m 15s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
33.98767°
Longitude
150.86214°
Altitude
675.516 km
Speed
7.565 km/s
Apparent Right ascension
02h 47m 40s
Apparent Declination
0° 52' 33"
Sunlit
Visualization observer readout
Local Sidereal Time
16:41:28
Azimuth
40.776° NE
Elevation
-43.162°
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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-07-02 13:15:59.019Z | 198.146° SSW | 2025-07-02 13:20:59.019Z | 103.624° ESE | 36.385° | 2025-07-02 13:24:59.019Z | 49.939° ENE |
| 5 mins | 2025-07-02 15:01:59.019Z | 283.863° WNW | 2025-07-02 15:03:59.019Z | 319.86° NNW | 23.073° | 2025-07-02 15:06:59.019Z | 9.774° NNE |
| 5 mins | 2025-07-02 20:17:59.019Z | 0.26° NNE | 2025-07-02 20:19:59.019Z | 31.519° NE | 19.513° | 2025-07-02 20:22:59.019Z | 76.247° E |
| 7 mins | 2025-07-02 22:00:59.019Z | 312.708° NW | 2025-07-02 22:03:59.019Z | 233.372° WSW | 43.38° | 2025-07-02 22:07:59.019Z | 151.727° SSE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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