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SECOR 8 (EGRS 8), 2520

Orbit data source: Space-Track

SECOR 8 (EGRS 8), 2520 is an American payload satellite in LEO that was launched on Wed, 05 Oct 1966 UTC via an ATLAS SLV-3 AGENA D 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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Identifier
2520, 1966-089B
Orbit
LEO
Last TLE update
1 day ago
Origin
Manufacturer
ITT
Mission
Defense Geodetic
Bus & Motor
SECOR, Unknown motor
Mass
18 kg wet, 18 kg dry
Launch date (UTC)
1966-10-05 (59 years ago)
Launch vehicle
ATLAS SLV-3 AGENA D
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box, 0.36 m
Radar Cross Section
0.095 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 1 day ago
0 SECOR 8 (EGRS 8)
1 02520U 66089B   25166.07185341 -.00000002  00000-0 -18814-2 0  9995
2 02520  89.8241  33.6440 0014388 317.8050  42.1693  8.58894452350434
Epoch: 2025-06-15T01:43Z
TLE epoch observation values (Epoch: 2025-06-15T01:43:28.134Z)
Latitude
-0.00004°
Longitude
104.17457°
Altitude
3,685.152 km
Speed
6.298 km/s
True Right ascension
02h 14m 34s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-24.15827°
Longitude
-75.75588°
Altitude
3,707.628 km
Speed
6.285 km/s
Apparent Right ascension
13h 18m 54s
Apparent Declination
-31° 36' 25"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
23:30:50
Azimuth
282.374° WNW
Elevation
-66.667°
Doppler factor
1
Orbital elements
Apogee altitude
3,706.007 km
Perigee altitude
3,677.031 km
Semi-major axis
10,069.656 km
Eccentricity
0.00144
Inclination
89.8241°
RAAN
33.644°
Arg. of periapsis
317.805°
True anomaly
Unknown
Mean anomaly
42.1693°
Eccentric anomaly
Unknown
Mean motion
2.14794 °/min
Orbital period
167.6 mins
BSTAR
-0.0018814
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Other satellites on launch #89 in the year 1966 (1966-10-05 UTC)

SECOR 8 (EGRS 8) 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.
35 mins2025-06-16 14:06:07.607Z144.269° SSE2025-06-16 14:23:07.607Z76.34° E39.294°2025-06-16 14:41:07.607Z3.636° NNE
34 mins2025-06-16 16:54:07.607Z213.087° SW2025-06-16 17:10:07.607Z278.793° WNW35.445°2025-06-16 17:28:07.607Z352.072° N
36 mins2025-06-17 02:02:07.607Z7.135° NNE2025-06-17 02:20:07.607Z86.675° E39.24°2025-06-17 02:38:07.607Z159.014° S
32 mins2025-06-17 04:50:07.607Z352.912° N2025-06-17 05:06:07.607Z287.585° WNW35.732°2025-06-17 05:22:07.607Z225.694° WSW
14 mins2025-06-17 12:37:07.607Z98.543° ESE2025-06-17 12:49:07.607Z54.709° ENE22.727°2025-06-17 12:51:07.607Z46.234° ENE
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