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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
1738 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Last TLE update
21 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 21 hours ago
0 EXPLORER 30
1 01738U 65093A 25185.83622708 .00000086 00000-0 67152-4 0 9998
2 01738 59.7084 346.4226 0138726 78.1641 283.4917 14.41591985106306Epoch: 2025-07-04T20:04Z
TLE epoch observation values (Epoch: 2025-07-04T20:04:10.019Z)
Latitude
-0.00005°
Longitude
122.29792°
Altitude
732.978 km
Speed
7.501 km/s
True Right ascension
23h 05m 41s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
46.78403°
Longitude
-98.807°
Altitude
686.808 km
Speed
7.556 km/s
Apparent Right ascension
12h 28m 28s
Apparent Declination
12° 40' 42"
Sunlit
Visualization observer readout
Local Sidereal Time
04:31:07
Azimuth
60.813° ENE
Elevation
-13.05°
Doppler factor
1
Loading maneuver chart data...
Loading SW <> Apogee altitude chart data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
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 | 2025-07-05 19:51:53.276Z | 339.606° N | 2025-07-05 19:55:53.276Z | 40.75° NE | 26.792° | 2025-07-05 19:59:53.276Z | 100.566° ESE |
| 8 mins | 2025-07-05 21:35:53.276Z | 300.706° NW | 2025-07-05 21:38:53.276Z | 251.371° W | 32.589° | 2025-07-05 21:43:53.276Z | 168.807° S |
| 7 mins | 2025-07-06 12:09:53.276Z | 195.183° SSW | 2025-07-06 12:12:53.276Z | 144.095° SSE | 37.497° | 2025-07-06 12:16:53.276Z | 52.54° ENE |
| 5 mins | 2025-07-06 13:54:53.276Z | 286.1° WNW | 2025-07-06 13:56:53.276Z | 322.024° NNW | 22.559° | 2025-07-06 13:59:53.276Z | 10.302° NNE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
|---|
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
|---|