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DOY 205 | 2024-07-23T02:31:23Z
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EXPLORER 27, 1328

Orbit data source: Space-Track

EXPLORER 27, 1328 is a payload satellite owned by GSFC (US) in LEO that was launched on Thu, 29 Apr 1965 UTC via a Scout X-4 launch vehicle from the Wallops Island (WLPIS). 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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EXPLORER 27 details
NORAD ID1328
COSPAR ID
1965-032A
Orbit
LEO
Last TLE update12 hours ago
Origin
Flag of USGSFC (US)
ManufacturerAPL
BusTransit 5
MotorUnknown
Mass55 kg wet, 55 kg dry
Launch date (UTC)
1965-04-29 (59 years ago)
Launch vehicle
Scout X-4
Launch site
Wallops Island (WLPIS)
Object type
Payload
Rocket body
Debris
Radar Cross Section2.2 m², Large (>1 m²)
Predictive object data (real-time)
Latitude-14.92049°
Longitude-62.94677°
Altitude973.213 km
Speed7.436 km/s
Apparent Right ascension05h 00m 11s
Apparent Declination-27° 27' 13"
Sunlit
Object is in daylight
Predictive observer data (real-time)
Local Sidereal Time15:36:13
Azimuth299.249° NW
Elevation-68.634°
Doppler factor1
Orbital elements
Apogee1,302.633 km
Perigee928.885 km
Semi-major axis7,493.896 km
Eccentricity0.0249368
Inclination41.185°
RAAN109.1972°
Arg. of periapsis293.6204°
True anomaly66.45518°
Mean anomaly63.8552°
Mean motion3.34566 °/min
BSTAR0.00022017
Period107.6 mins
Definitive object data (Epoch: 2024-07-22T14:05:54.224Z)
Latitude-0.00002°
Longitude-43.0968°
Altitude1,034.813 km
Speed7.374 km/s
True Right ascension07h 16m 47s
True Declination0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
TLE from 12 hours ago
0 EXPLORER 27
1 01328U 65032A   24204.58743315  .00000062  00000-0  22017-3 0  9991
2 01328  41.1850 109.1972 0249368 293.6204  63.8552 13.38814872895233
Epoch: 2024-07-22T14:05Z
No data available
Other satellites on launch #32 in the year 1965 (1965-04-29 UTC)

EXPLORER 27 Visibility forecast

Observer location: 39.9160978°, -105.1181434

EXPLORER 27 is not visible in the next 10 days
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