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SECOR 4 (EGRS 4), 1315

Orbit data source: Space-Track

SECOR 4 (EGRS 4), 1315 is an American payload satellite in LEO that was launched on Sat, 03 Apr 1965 UTC via an ATLAS SLV-3 AGENA D 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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SECOR 4 (EGRS 4) details
Identifier
1315, 1965-027B
Orbit
LEO
Last TLE update12 hours ago
Origin
Flag of USACE/GIMR (US)
ManufacturerITT
MissionDefense Geodetic
Bus & MotorSECOR, Unknown motor
Mass18 kg wet, 18 kg dry
Launch date (UTC)
1965-04-03 (60 years ago)
Launch vehicle
ATLAS SLV-3 AGENA D
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBRBox, 0.4 m
Radar Cross Section0.105 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 12 hours ago
0 SECOR 4 (EGRS 4)
1 01315U 65027B   25013.94969737  .00000054  00000-0  16912-3 0  9996
2 01315  90.2393   3.9409 0032709 114.8930 273.3616 12.92651570819846
Epoch: 2025-01-13T22:47Z
Definitive object data (Epoch: 2025-01-13T22:47:33.852Z)
Latitude27.9177°
Longitude-91.73972°
Altitude1,293.049 km
Speed7.213 km/s
True Right ascension00h 15m 15s
True Declination27° 47' 08"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude57.8486°
Longitude88.77582°
Altitude1,276.004 km
Speed7.235 km/s
Apparent Right ascension19h 33m 48s
Apparent Declination54° 47' 19"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time11:01:30
Azimuth27.967° NE
Elevation14.567°
Doppler factor1
Orbital elements
Apogee altitude1,313.228 km
Perigee altitude1,263.077 km
Semi-major axis7,666.289 km
Eccentricity0.0032709
Inclination90.2393°
RAAN3.9409°
Arg. of periapsis114.893°
True anomaly272.98734°
Mean anomaly273.3616°
Eccentric anomaly273.17448°
Mean motion3.23344 °/min
BSTAR0.00016912
Orbital period111.34 mins
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SECOR 4 (EGRS 4) 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.
11 mins2025-01-14 10:25:24.913Z28.067° NE2025-01-14 10:30:24.913Z77.481° E27.249°2025-01-14 10:36:24.913Z138.218° SSE
12 mins2025-01-14 12:16:24.913Z346.796° N2025-01-14 12:22:24.913Z272.261° WNW36.574°2025-01-14 12:28:24.913Z211.504° SW
13 mins2025-01-14 22:54:24.913Z151.076° SSE2025-01-14 23:00:24.913Z83.614° E38.539°2025-01-14 23:07:24.913Z8.083° NNE
10 mins2025-01-15 00:47:24.913Z231.701° WSW2025-01-15 00:52:24.913Z284.774° WNW25.55°2025-01-15 00:57:24.913Z331.411° NNW
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