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). 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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1577 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Last TLE update
12 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
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 12 hours ago
0 PORCUPINE 2
1 01577U 65065J 25181.85361900 .00000049 00000-0 76348-4 0 9996
2 01577 90.0068 211.3358 0070620 16.8042 156.3534 13.36175847915731Epoch: 2025-06-30T20:29Z
TLE epoch observation values (Epoch: 2025-06-30T20:29:12.681Z)
Latitude
6.44463°
Longitude
164.87626°
Altitude
1,174.486 km
Speed
7.243 km/s
True Right ascension
02h 05m 20s
True Declination
6° 24' 31"
Sunlit
Visualization orbit readout
Latitude
89.79879°
Longitude
166.80265°
Altitude
1,123.248 km
Speed
7.305 km/s
Apparent Right ascension
08h 15m 53s
Apparent Declination
34° 50' 14"
Sunlit
Visualization observer readout
Local Sidereal Time
20:17:07
Azimuth
0.263° NNE
Elevation
-15.246°
Doppler factor
1
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-07-01 12:26:57.838Z | 57.624° ENE | 2025-07-01 12:28:57.838Z | 74.875° E | 11.571° | 2025-07-01 12:30:57.838Z | 91.921° ESE |
| 12 mins | 2025-07-01 14:11:57.838Z | 6.044° NNE | 2025-07-01 14:17:57.838Z | 136.345° SSE | 43.986° | 2025-07-01 14:23:57.838Z | 178.522° S |
| 7 mins | 2025-07-01 16:00:57.838Z | 319.817° NNW | 2025-07-01 16:03:57.838Z | 291.522° WNW | 16.736° | 2025-07-01 16:07:57.838Z | 254.67° W |
| 12 mins | 2025-07-02 02:16:57.838Z | 174.586° S | 2025-07-02 02:21:57.838Z | 161.569° S | 44.583° | 2025-07-02 02:28:57.838Z | 358.539° N |
| 4 mins | 2025-07-02 04:08:57.838Z | 266.983° W | 2025-07-02 04:10:57.838Z | 286.133° WNW | 13.157° | 2025-07-02 04:12:57.838Z | 304.98° NW |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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