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). 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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1272 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
NRL
Mission
Spacecraft
Bus & Motor
NRL 9", Unknown motor
Mass
4 kg wet, 4 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 PORCUPINE 1
1 1272U 65016H 26059.47550041 -.00000002 00000-0 37906-4 0 9990
2 1272 70.0789 120.5939 0025069 265.4180 94.4062 13.94522436101222Epoch: 2026-02-28T11:24Z
TLE epoch observation values (Epoch: 2026-02-28T11:24:43.235Z)
Latitude
-0°
Longitude
151.11667°
Altitude
916.591 km
Speed
7.393 km/s
True Right ascension
08h 02m 22s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
19:31:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
929.134 km
Perigee altitude
892.589 km
Semi-major axis
7,288.999 km
Eccentricity
0.00251
Inclination
70.0789°
RAAN
120.5939°
Arg. of periapsis
265.418°
True anomaly
94.69255°
Mean anomaly
94.4062°
Eccentric anomaly
94.54938°
Mean motion
3.48772 °/min
Orbital period
103.22 mins
BSTAR
0.000037906
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Other satellites on launch #16 in the year 1965 (1965-03-09 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.PORCUPINE 1 Visibility forecast
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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 mins | 2026-03-01 04:44:02.922Z | 173.713° S | 2026-03-01 04:49:02.922Z | 109.372° ESE | 34.069° | 2026-03-01 04:54:02.922Z | 40.808° NE |
| 9 mins | 2026-03-01 06:31:02.922Z | 252.024° W | 2026-03-01 06:35:02.922Z | 305.936° NW | 27.231° | 2026-03-01 06:40:02.922Z | 4.745° NNE |
| 8 mins | 2026-03-01 13:48:02.922Z | 9.122° NNE | 2026-03-01 13:51:02.922Z | 47.804° ENE | 24.211° | 2026-03-01 13:56:02.922Z | 107.751° ESE |
| 10 mins | 2026-03-01 15:33:02.922Z | 320.279° NNW | 2026-03-01 15:37:02.922Z | 263.168° W | 37.386° | 2026-03-01 15:43:02.922Z | 178.56° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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