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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
3 days 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 3 days ago
0 SECOR 8 (EGRS 8)
1 02520U 66089B   25180.04784111  .00000002  00000-0  98453-5 0  9996
2 02520  89.8228  33.5539 0014289 303.1137  56.8342  8.58894574351632
Epoch: 2025-06-29T01:08Z
TLE epoch observation values (Epoch: 2025-06-29T01:08:53.471Z)
Latitude
-0.00007°
Longitude
98.9535°
Altitude
3,688.024 km
Speed
6.296 km/s
True Right ascension
02h 14m 12s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
63.30652°
Longitude
99.28558°
Altitude
3,712.383 km
Speed
6.288 km/s
Apparent Right ascension
02h 07m 24s
Apparent Declination
27° 32' 59"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
13:59:52
Azimuth
358.193° N
Elevation
-22.511°
Doppler factor
1
Orbital elements
Apogee altitude
3,705.907 km
Perigee altitude
3,677.13 km
Semi-major axis
10,069.655 km
Eccentricity
0.00143
Inclination
89.8228°
RAAN
33.5539°
Arg. of periapsis
303.1137°
True anomaly
Unknown
Mean anomaly
56.8342°
Eccentric anomaly
Unknown
Mean motion
2.14794 °/min
Orbital period
167.6 mins
BSTAR
0.0000098453
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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.
37 mins2025-07-02 02:35:49.575Z359.551° N2025-07-02 02:54:49.575Z268.54° W44.403°2025-07-02 03:12:49.575Z195.682° SSW
20 mins2025-07-02 05:26:49.575Z341.622° N2025-07-02 05:36:49.575Z306.493° NW18.691°2025-07-02 05:46:49.575Z272.132° WNW
5 mins2025-07-02 10:38:49.575Z45.963° ENE2025-07-02 10:40:49.575Z39.391° NE10.691°2025-07-02 10:43:49.575Z29.61° NE
34 mins2025-07-02 13:03:49.575Z142.77° SSE2025-07-02 13:19:49.575Z74.897° E39.291°2025-07-02 13:37:49.575Z3.506° NNE
34 mins2025-07-02 15:50:49.575Z213.345° SW2025-07-02 16:06:49.575Z279.891° WNW35.49°2025-07-02 16:24:49.575Z352.344° N
35 mins2025-07-03 00:58:49.575Z7.358° NNE2025-07-03 01:15:49.575Z78.949° E39.212°2025-07-03 01:33:49.575Z157.859° S
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