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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Edit Public Description
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: 14 hours ago
TLE from 14 hours ago
0 PORCUPINE 1
1 01272U 65016H 25364.08047910 .00000021 00000-0 54725-4 0 9999
2 01272 70.0788 248.8911 0023083 337.3975 22.6111 13.94513437 92802Epoch: 2025-12-30T01:55Z
TLE epoch observation values (Epoch: 2025-12-30T01:55:53.394Z)
Latitude
-0.00007°
Longitude
121.14971°
Altitude
899.64 km
Speed
7.41 km/s
True Right ascension
16h 35m 33s
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
15:23:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
927.718 km
Perigee altitude
894.068 km
Semi-major axis
7,289.03 km
Eccentricity
0.00231
Inclination
70.0788°
RAAN
248.8911°
Arg. of periapsis
337.3975°
True anomaly
22.71307°
Mean anomaly
22.6111°
Eccentric anomaly
22.66206°
Mean motion
3.4877 °/min
Orbital period
103.22 mins
BSTAR
0.000054725
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Other satellites on launch #16 in the year 1965 (1965-03-09 UTC)
Did you know?
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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-12-30 17:31:40.587Z | 185.567° SSW | 2025-12-30 17:37:40.587Z | 91.216° ESE | 39.451° | 2025-12-30 17:42:40.587Z | 33.492° NE |
| 8 mins | 2025-12-30 19:19:40.587Z | 262.923° W | 2025-12-30 19:23:40.587Z | 312.95° NW | 21.906° | 2025-12-30 19:27:40.587Z | 357.885° N |
| 9 mins | 2025-12-31 02:35:40.587Z | 0.53° NNE | 2025-12-31 02:39:40.587Z | 56.704° ENE | 29.467° | 2025-12-31 02:44:40.587Z | 118.693° SE |
| 9 mins | 2025-12-31 04:21:40.587Z | 310.042° NW | 2025-12-31 04:25:40.587Z | 247.891° W | 31.348° | 2025-12-31 04:30:40.587Z | 189.718° SSW |
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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