PORCUPINE 2, 1577
Orbit data source: Space-Track
PORCUPINE 2, 1577 is a payload satellite owned by NRL (US) in LEO that was launched on Fri, 13 Aug 1965 UTC via a THOR ABLESTAR launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets 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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1577 intel report (Beta)
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PORCUPINE 2 details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 9 hours ago |
| Origin | |
| Manufacturer | NRL |
| Mission | Defense Calibration |
| Bus & Motor | SURCAL, Unknown motor |
| Mass | 5 kg wet, 5 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Box, 0.2 m |
| Radar Cross Section | 0.060 m², Medium (>0.1 m² and < 1m²) |
Expand to show TLE details & history
TLE from 9 hours ago
0 PORCUPINE 2
1 01577U 65065J 24303.99069348 .00000325 00000-0 60931-3 0 9994
2 01577 89.9993 211.2244 0070111 344.7097 27.1713 13.36096736883171Epoch: 2024-10-29T23:46Z
Definitive object data (Epoch: 2024-10-29T23:46:35.916Z)
| Latitude | 12.20879° |
| Longitude | 175.78029° |
| Altitude | 1,079.31 km |
| Speed | 7.336 km/s |
| True Right ascension | 14h 04m 53s |
| True Declination | 12° 08' 27" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | -71.20531° |
| Longitude | 175.77807° |
| Altitude | 1,119.8 km |
| Speed | 7.307 km/s |
| Apparent Right ascension | 15h 20m 25s |
| Apparent Declination | -57° 24' 20" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 03:57:15 |
| Azimuth | 164.218° S |
| Elevation | -71.523° |
| Doppler factor | 1 |
Orbital elements
| Apogee | 1,173.501 km |
| Perigee | 1,068.348 km |
| Semi-major axis | 7,499.062 km |
| Eccentricity | 0.0070111 |
| Inclination | 89.9993° |
| RAAN | 211.2244° |
| Arg. of periapsis | 344.7097° |
| True anomaly | 27.54106° |
| Mean anomaly | 27.1713° |
| Eccentric anomaly | 27.35589° |
| Mean motion | 3.3422 °/min |
| BSTAR | 0.00060931 |
| Period | 107.71 mins |
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Other satellites on launch #65 in the year 1965 (1965-08-13 UTC)
PORCUPINE 2 Visibility forecast
Observer location: undefined°, undefined
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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2024-10-30 17:47:08.832Z | 154.187° SSE | 2024-10-30 17:53:08.832Z | 88.641° E | 37.809° | 2024-10-30 17:59:08.832Z | 10.09° NNE |
| 9 mins | 2024-10-30 19:37:08.832Z | 233.408° WSW | 2024-10-30 19:41:08.832Z | 277.542° WNW | 23.214° | 2024-10-30 19:46:08.832Z | 329.76° NNW |
| 9 mins | 2024-10-31 05:06:08.832Z | 37.372° NE | 2024-10-31 05:10:08.832Z | 81.22° E | 24.147° | 2024-10-31 05:15:08.832Z | 131.666° SE |
| 11 mins | 2024-10-31 06:53:08.832Z | 346.888° N | 2024-10-31 06:58:08.832Z | 274.021° WNW | 38.803° | 2024-10-31 07:04:08.832Z | 205.969° SW |