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: 17 hours ago
TLE from 17 hours ago
0 PORCUPINE 1
1 01272U 65016H 26044.69954955 -.00000004 00000-0 36143-4 0 9994
2 01272 70.0803 151.9815 0024910 282.6494 77.1827 13.94520683 99161Epoch: 2026-02-13T16:47Z
TLE epoch observation values (Epoch: 2026-02-13T16:47:21.081Z)
Latitude
0.00005°
Longitude
116.41048°
Altitude
911.161 km
Speed
7.399 km/s
True Right ascension
10h 07m 55s
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
12:22:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
929.024 km
Perigee altitude
892.711 km
Semi-major axis
7,289.004 km
Eccentricity
0.00249
Inclination
70.0803°
RAAN
151.9815°
Arg. of periapsis
282.6494°
True anomaly
77.46123°
Mean anomaly
77.1827°
Eccentric anomaly
77.32194°
Mean motion
3.48771 °/min
Orbital period
103.22 mins
BSTAR
0.000036143
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-02-14 10:12:09.758Z | 274.458° WNW | 2026-02-14 10:15:09.758Z | 306.504° NW | 17.166° | 2026-02-14 10:19:09.758Z | 350.326° N |
| 10 mins | 2026-02-14 17:27:09.758Z | 350.851° N | 2026-02-14 17:32:09.758Z | 70.172° E | 36.073° | 2026-02-14 17:37:09.758Z | 131.935° SE |
| 7 mins | 2026-02-14 19:14:09.758Z | 298.168° NW | 2026-02-14 19:17:09.758Z | 258.413° W | 23.955° | 2026-02-14 19:21:09.758Z | 209.172° SW |
| 4 mins | 2026-02-15 06:49:09.758Z | 114.991° SE | 2026-02-15 06:50:09.758Z | 103.734° ESE | 15.188° | 2026-02-15 06:53:09.758Z | 71.047° E |
| 10 mins | 2026-02-15 08:31:09.758Z | 212.593° SW | 2026-02-15 08:35:09.758Z | 260.966° W | 43.305° | 2026-02-15 08:41:09.758Z | 20.376° NNE |
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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