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: 12 hours ago
TLE from 12 hours ago
0 PORCUPINE 1
1 1272U 65016H 25333.66764190 .00000037 00000-0 66373-4 0 9994
2 1272 70.0797 313.4976 0021198 16.8787 343.3019 13.94507823 88567Epoch: 2025-11-29T16:01Z
TLE epoch observation values (Epoch: 2025-11-29T16:01:24.260Z)
Latitude
-0°
Longitude
4.35396°
Altitude
900.389 km
Speed
7.41 km/s
True Right ascension
20h 53m 59s
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
01:45:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
926.364 km
Perigee altitude
895.461 km
Semi-major axis
7,289.049 km
Eccentricity
0.00212
Inclination
70.0797°
RAAN
313.4976°
Arg. of periapsis
16.8787°
True anomaly
343.23193°
Mean anomaly
343.3019°
Eccentric anomaly
343.26693°
Mean motion
3.48768 °/min
Orbital period
103.22 mins
BSTAR
0.000066373
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-11-30 08:03:53.569Z | 16.738° NNE | 2025-11-30 08:06:53.569Z | 48.299° ENE | 14.25° | 2025-11-30 08:08:53.569Z | 69.554° E |
| 10 mins | 2025-11-30 09:48:53.569Z | 338.702° N | 2025-11-30 09:52:53.569Z | 10.45° NNE | 44.064° | 2025-11-30 09:58:53.569Z | 153.196° SSE |
| 4 mins | 2025-11-30 11:36:53.569Z | 276.72° WNW | 2025-11-30 11:37:53.569Z | 266.063° W | 13.49° | 2025-11-30 11:40:53.569Z | 235.217° WSW |
| 8 mins | 2025-11-30 23:07:53.569Z | 154.513° SSE | 2025-11-30 23:11:53.569Z | 101.933° ESE | 25.707° | 2025-11-30 23:15:53.569Z | 51.591° ENE |
| 9 mins | 2025-12-01 00:52:53.569Z | 236.185° WSW | 2025-12-01 00:56:53.569Z | 290.762° WNW | 33.406° | 2025-12-01 01:01:53.569Z | 7.166° 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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