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: 7 hours ago
TLE from 7 hours ago
0 PORCUPINE 1
1 01272U 65016H 26149.49371330 -.00000002 00000-0 37646-4 0 9995
2 01272 70.0800 289.3552 0020988 152.9912 207.2290 13.94532932113771Epoch: 2026-05-29T11:50Z
TLE epoch observation values (Epoch: 2026-05-29T11:50:56.829Z)
Latitude
-0.00005°
Longitude
-135.4049°
Altitude
928.72 km
Speed
7.381 km/s
True Right ascension
19h 17m 25s
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
04:47:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
926.123 km
Perigee altitude
895.527 km
Semi-major axis
7,288.962 km
Eccentricity
0.0021
Inclination
70.08°
RAAN
289.3552°
Arg. of periapsis
152.9912°
True anomaly
207.11921°
Mean anomaly
207.229°
Eccentric anomaly
207.17408°
Mean motion
3.48774 °/min
Orbital period
103.22 mins
BSTAR
0.000037646
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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 | 2026-05-29 19:19:05.561Z | 20.786° NNE | 2026-05-29 19:21:05.561Z | 50.017° ENE | 23.73° | 2026-05-29 19:26:05.561Z | 108.782° ESE |
| 9 mins | 2026-05-29 21:03:05.561Z | 319.726° NNW | 2026-05-29 21:07:05.561Z | 257.998° W | 37.293° | 2026-05-29 21:12:05.561Z | 181.079° SSW |
| 10 mins | 2026-05-30 10:21:05.561Z | 184.704° SSW | 2026-05-30 10:25:05.561Z | 131.548° SE | 40.458° | 2026-05-30 10:31:05.561Z | 32.28° NE |
| 8 mins | 2026-05-30 12:08:05.561Z | 264.869° W | 2026-05-30 12:12:05.561Z | 313.867° NW | 21.162° | 2026-05-30 12:16:05.561Z | 357.732° N |
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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