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PORCUPINE 1, 1272

Orbit data source: Space-Track

PORCUPINE 1, 1272 is a payload satellite owned by NRL (US) in LEO that was launched on Tue, 09 Mar 1965 UTC via a THOR SLV-2 AGENA D launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets 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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Last TLE update7 hours ago
ManufacturerNRL
MissionDefense Calibration
Bus & MotorNRL 9", Unknown motor
Mass4 kg wet, 4 kg dry
Shape & HBRSphere + 12 Rod, 15.2 m
Radar Cross Section0.031 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 7 hours ago
0 PORCUPINE 1
1  1272U 65016H   25082.47049466  .00000096  00000-0  11055-3 0  9997
2  1272  70.0780 127.1080 0022600 346.7349  13.3159 13.94468217 54029
Epoch: 2025-03-23T11:17Z
Definitive object data (Epoch: 2025-03-23T11:17:30.738Z)
Latitude-0.00005°
Longitude136.52916°
Altitude899.295 km
Speed7.411 km/s
True Right ascension08h 28m 25s
True Declination0° 00' 00"
Sunlit
Object was in full shadow at TLE epoch
Visualization TLE readout
Latitude-8.8063°
Longitude132.72201°
Altitude900.465 km
Speed7.41 km/s
Apparent Right ascension09h 25m 19s
Apparent Declination-24° 48' 31"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time23:13:28
Azimuth64.479° ENE
Elevation-62.793°
Doppler factor1
Orbital elements
Apogee altitude927.524 km
Perigee altitude894.577 km
Semi-major axis7,289.188 km
Eccentricity0.00226
Inclination70.078°
RAAN127.108°
Arg. of periapsis346.7349°
True anomaly13.37571°
Mean anomaly13.3159°
Eccentric anomaly13.34579°
Mean motion3.48758 °/min
BSTAR0.00011055
Orbital period103.22 mins
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PORCUPINE 1 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.
6 mins2025-03-24 02:55:01.130Z132.949° SE2025-03-24 02:58:01.130Z99.782° ESE16.53°2025-03-24 03:01:01.130Z66.576° ENE
10 mins2025-03-24 04:39:01.130Z217.621° SW2025-03-24 04:43:01.130Z290.416° WNW42.604°2025-03-24 04:49:01.130Z19.362° NNE
10 mins2025-03-24 13:41:01.130Z341.55° N2025-03-24 13:46:01.130Z79.912° E43.381°2025-03-24 13:51:01.130Z147.457° SSE
5 mins2025-03-24 15:29:01.130Z281.785° WNW2025-03-24 15:31:01.130Z258.983° W15.953°2025-03-24 15:34:01.130Z227.503° WSW
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