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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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Identifier
1577, 1965-065J
Orbit
LEO
Last TLE update17 hours ago
Origin
Flag of USNRL (US)
ManufacturerNRL
MissionDefense Calibration
Bus & MotorSURCAL, Unknown motor
Mass5 kg wet, 5 kg dry
Launch date (UTC)
1965-08-13 (60 years ago)
Launch vehicle
THOR ABLESTAR
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBRBox, 0.2 m
Radar Cross Section0.060 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 17 hours ago
0 PORCUPINE 2
1 01577U 65065J   25079.85650440  .00000222  00000-0  41145-3 0  9991
2 01577  90.0054 211.2332 0068473 303.4700 210.8512 13.36152096902117
Epoch: 2025-03-20T20:33Z
Definitive object data (Epoch: 2025-03-20T20:33:21.98Z)
Latitude26.10846°
Longitude-95.73002°
Altitude1,171.057 km
Speed7.249 km/s
True Right ascension02h 04m 56s
True Declination25° 58' 49"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude21.48579°
Longitude84.26561°
Altitude1,117.088 km
Speed7.3 km/s
Apparent Right ascension11h 21m 58s
Apparent Declination-10° 41' 55"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time18:48:33
Azimuth275.641° WNW
Elevation-23.399°
Doppler factor1
Orbital elements
Apogee altitude1,172.064 km
Perigee altitude1,069.37 km
Semi-major axis7,498.854 km
Eccentricity0.0068473
Inclination90.0054°
RAAN211.2332°
Arg. of periapsis303.47°
True anomaly210.45177°
Mean anomaly210.8512°
Eccentric anomaly210.65119°
Mean motion3.34234 °/min
BSTAR0.00041145
Orbital period107.71 mins
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Other satellites on launch #65 in the year 1965 (1965-08-13 UTC)
THOR ABLESTAR DEB, 1504
THOR ABLESTAR R/B, 1508
DODECAPOLE 2, 1510
THOR ABLESTAR DEB, 1511
TEMPSAT 1, 1512
OPS 8464 (TRANSIT 5B-7), 1514
NAVSPASUR ROD 1, 1515
CALSPHERE 4(A), 1520
THOR ABLESTAR DEB, 1521
THOR ABLESTAR DEB, 1522
OPS 8464 DEB *, 2335 (Decayed)
TRANSIT 5B-7 DEB, 3809 (Decayed)
THOR ABLESTAR DEB, 3810
THOR ABLESTAR DEB, 5265
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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.
10 mins2025-03-21 19:45:41.803Z29.976° NE2025-03-21 19:50:41.803Z79.359° E23.784°2025-03-21 19:55:41.803Z130.353° SE
11 mins2025-03-21 21:33:41.803Z347.843° N2025-03-21 21:38:41.803Z278.107° WNW39.168°2025-03-21 21:44:41.803Z205.651° SW
10 mins2025-03-22 07:51:41.803Z124.769° SE2025-03-22 07:56:41.803Z68.06° E25.525°2025-03-22 08:01:41.803Z20.624° NNE
11 mins2025-03-22 09:38:41.803Z206.919° SW2025-03-22 09:43:41.803Z280.483° WNW36.464°2025-03-22 09:49:41.803Z345.308° N

Check out PORCUPINE 2, 1577 on other resources

View PORCUPINE 2, 1577 on NASA - NSSDCA Website

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

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