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: 9 hours ago
TLE from 9 hours ago
0 PORCUPINE 1
1 01272U 65016H 25289.84135549 .00000042 00000-0 70351-4 0 9991
2 01272 70.0810 46.5964 0019452 80.1981 280.1320 13.94500059 82453Epoch: 2025-10-16T20:11Z
TLE epoch observation values (Epoch: 2025-10-16T20:11:33.114Z)
Latitude
0.00001°
Longitude
78.11314°
Altitude
912.751 km
Speed
7.397 km/s
True Right ascension
03h 06m 23s
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
23:45:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
925.118 km
Perigee altitude
896.761 km
Semi-major axis
7,289.076 km
Eccentricity
0.00195
Inclination
70.081°
RAAN
46.5964°
Arg. of periapsis
80.1981°
True anomaly
279.91248°
Mean anomaly
280.132°
Eccentric anomaly
280.02225°
Mean motion
3.48766 °/min
Orbital period
103.22 mins
BSTAR
0.000070351
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-10-17 08:20:58.781Z | 159.645° S | 2025-10-17 08:25:58.781Z | 100° ESE | 25.351° | 2025-10-17 08:29:58.781Z | 51.199° ENE |
| 9 mins | 2025-10-17 10:06:58.781Z | 236.175° WSW | 2025-10-17 10:10:58.781Z | 293.457° NW | 33.93° | 2025-10-17 10:15:58.781Z | 8.059° NNE |
| 6 mins | 2025-10-17 17:24:58.781Z | 20.394° NNE | 2025-10-17 17:26:58.781Z | 44.263° NE | 17.954° | 2025-10-17 17:30:58.781Z | 89.596° E |
| 10 mins | 2025-10-17 19:08:58.781Z | 330.711° NNW | 2025-10-17 19:13:58.781Z | 224.198° SW | 43.675° | 2025-10-17 19:18:58.781Z | 165.354° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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