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
5 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 5 hours ago
0 EXPLORER 30
1 1738U 65093A 25129.44931255 .00000133 00000-0 80454-4 0 9996
2 1738 59.7062 178.1883 0134360 29.0291 331.8132 14.41555916119054Epoch: 2025-05-09T10:47Z
Definitive object data (Epoch: 2025-05-09T10:47:00.604Z)
Latitude
-0.00006°
Longitude
148.93045°
Altitude
670.707 km
Speed
7.567 km/s
True Right ascension
11h 52m 45s
True Declination
0° 00' 00"
Sunlit
Visualization TLE readout
Latitude
51.98277°
Longitude
-163.80973°
Altitude
682.728 km
Speed
7.562 km/s
Apparent Right ascension
13h 33m 09s
Apparent Declination
9° 38' 10"
Sunlit
Visualization observer readout
Local Sidereal Time
00:14:46
Azimuth
335.461° NNW
Elevation
-37.225°
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 | 2025-05-10 05:14:21.024Z | 212.168° SW | 2025-05-10 05:18:21.024Z | 120.624° SE | 44.315° | 2025-05-10 05:22:21.024Z | 42.688° NE |
| 5 mins | 2025-05-10 07:00:21.024Z | 297.675° NW | 2025-05-10 07:02:21.024Z | 329.277° NNW | 18.255° | 2025-05-10 07:05:21.024Z | 10.394° NNE |
| 7 mins | 2025-05-10 12:15:21.024Z | 347.842° N | 2025-05-10 12:18:21.024Z | 36.016° NE | 26.975° | 2025-05-10 12:22:21.024Z | 95.922° ESE |
| 9 mins | 2025-05-10 13:58:21.024Z | 304.458° NW | 2025-05-10 14:02:21.024Z | 227.583° WSW | 36.544° | 2025-05-10 14:07:21.024Z | 163.633° S |
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 |
|---|