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: 2 days ago
TLE from 2 days ago
0 PORCUPINE 1
1 01272U 65016H 26134.50267337 -.00000001 00000-0 38578-4 0 9996
2 01272 70.0796 321.2041 0021884 173.3071 186.8331 13.94531270111683Epoch: 2026-05-14T12:03Z
TLE epoch observation values (Epoch: 2026-05-14T12:03:50.979Z)
Latitude
-0.00001°
Longitude
-92.00573°
Altitude
930.955 km
Speed
7.379 km/s
True Right ascension
21h 24m 48s
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
20:16:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
926.782 km
Perigee altitude
894.879 km
Semi-major axis
7,288.968 km
Eccentricity
0.00219
Inclination
70.0796°
RAAN
321.2041°
Arg. of periapsis
173.3071°
True anomaly
186.80334°
Mean anomaly
186.8331°
Eccentric anomaly
186.81821°
Mean motion
3.48774 °/min
Orbital period
103.22 mins
BSTAR
0.000038578
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-05-16 12:22:49.602Z | 149.003° SSE | 2026-05-16 12:26:49.602Z | 104.535° ESE | 21.464° | 2026-05-16 12:30:49.602Z | 57.28° ENE |
| 10 mins | 2026-05-16 14:07:49.602Z | 226.86° WSW | 2026-05-16 14:11:49.602Z | 281.28° WNW | 38.042° | 2026-05-16 14:17:49.602Z | 14.457° NNE |
| 4 mins | 2026-05-16 21:26:49.602Z | 29.225° NE | 2026-05-16 21:28:49.602Z | 52.422° ENE | 15.112° | 2026-05-16 21:30:49.602Z | 74.192° E |
| 9 mins | 2026-05-16 23:10:49.602Z | 335.98° NNW | 2026-05-16 23:14:49.602Z | 345.667° N | 44.973° | 2026-05-16 23:19:49.602Z | 157.052° SSE |
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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