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EXPLORER 16, 506

Orbit data source: Space-Track

EXPLORER 16, 506 is a payload satellite owned by NASA LaRC (US) in LEO that was launched on Sun, 16 Dec 1962 UTC via an SCOUT X-3 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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Identifier
506, 1962-070A
Orbit
LEO
Last TLE update
1 day ago
Origin
Manufacturer
NASA LaRC
Mission
Civil Science
Bus & Motor
S-55, Unknown motor
Mass
100 kg wet, 76 kg dry
Launch date (UTC)
1962-12-16 (62 years ago)
Launch vehicle
SCOUT X-3
Launch site
Wallops Island (WLPIS)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl, 1.93 m
Radar Cross Section
1.071 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 1 day ago
0 EXPLORER 16
1 00506U 62070A   25114.68994421  .00000112  00000-0  16513-3 0  9995
2 00506  52.0032 212.2408 0275802 254.3248 102.7090 13.85675643150739
Epoch: 2025-04-24T16:33Z
Definitive object data (Epoch: 2025-04-24T16:33:31.179Z)
Latitude
-0.00002°
Longitude
110.90311°
Altitude
994.224 km
Speed
7.331 km/s
True Right ascension
14h 08m 57s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at TLE epoch
Visualization TLE readout
Latitude
-50.12831°
Longitude
-4.37974°
Altitude
759.156 km
Speed
7.577 km/s
Apparent Right ascension
09h 06m 49s
Apparent Declination
-51° 58' 23"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
23:33:49
Azimuth
127.95° SE
Elevation
-62.134°
Doppler factor
1
Orbital elements
Apogee altitude
1,146.194 km
Perigee altitude
742.289 km
Semi-major axis
7,322.379 km
Eccentricity
0.0275802
Inclination
52.0032°
RAAN
212.2408°
Arg. of periapsis
254.3248°
True anomaly
105.76736°
Mean anomaly
102.709°
Eccentric anomaly
104.24067°
Mean motion
3.4639 °/min
BSTAR
0.00016513
Orbital period
103.93 mins
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Other satellites on launch #70 in the year 1962 (1962-12-16 UTC)

EXPLORER 16 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.
10 mins2025-04-25 17:23:33.483Z288.558° WNW2025-04-25 17:28:33.483Z241.142° WSW25.212°2025-04-25 17:33:33.483Z183.325° SSW
5 mins2025-04-26 06:47:33.483Z137.4° SSE2025-04-26 06:49:33.483Z118.907° SE14.197°2025-04-26 06:52:33.483Z92.826° ESE
12 mins2025-04-26 08:31:33.483Z213.757° SW2025-04-26 08:37:33.483Z118.941° SE42.131°2025-04-26 08:43:33.483Z57.457° ENE
12 mins2025-04-26 10:20:33.483Z266.545° W2025-04-26 10:26:33.483Z340.281° N36.251°2025-04-26 10:32:33.483Z46.056° ENE
11 mins2025-04-26 12:11:33.483Z303.972° NW2025-04-26 12:16:33.483Z356.225° N27.68°2025-04-26 12:22:33.483Z57.109° ENE
12 mins2025-04-26 14:01:33.483Z316.116° NNW2025-04-26 14:07:33.483Z30.93° NE34.151°2025-04-26 14:13:33.483Z91.445° ESE
12 mins2025-04-26 15:50:33.483Z304.164° NW2025-04-26 15:56:33.483Z210.394° SW43.877°2025-04-26 16:02:33.483Z139.13° SSE
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