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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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<iframe src="https://www.satcat.com/sats-embedded/2520?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/2520?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

2520, 1966-089B

Orbit

LEO

Last TLE update

2 days ago

Origin

United States Army (US)

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 2 days ago

0 SECOR 8 (EGRS 8)
1  2520U 66089B   25127.17202995 -.00000000  00000-0 -10579-2 0  9996
2  2520  89.8285  33.8887 0014993 357.2250   2.8516  8.58894638839672

Epoch: 2025-05-07T04:07Z

Definitive object data (Epoch: 2025-05-07T04:07:43.387Z)

Latitude

-0.00003°

Longitude

106.69722°

Altitude

3,680.799 km

Speed

6.3 km/s

True Right ascension

02h 15m 33s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-16.17679°

Longitude

106.63507°

Altitude

3,684.623 km

Speed

6.299 km/s

Apparent Right ascension

02h 19m 31s

Apparent Declination

-25° 14' 15"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:27:51

Azimuth

7.407° NNE

Elevation

-75.218°

Doppler factor

Orbital elements

Apogee altitude

3,706.615 km

Perigee altitude

3,676.42 km

Semi-major axis

10,069.655 km

Eccentricity

0.0014993

Inclination

89.8285°

RAAN

33.8887°

Arg. of periapsis

357.225°

True anomaly

2.86016°

Mean anomaly

2.8516°

Eccentric anomaly

2.85588°

Mean motion

2.14794 °/min

BSTAR

-0.0010579

Orbital period

167.6 mins

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Other satellites on launch #89 in the year 1966 (1966-10-05 UTC)

OPS 1920, 2481

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.
34 mins	2025-05-09 07:13:03.051Z	355.331° N	2025-05-09 07:30:03.051Z	289.688° WNW	37.398°	2025-05-09 07:47:03.051Z	221.228° SW
22 mins	2025-05-09 15:03:03.051Z	92.042° ESE	2025-05-09 15:13:03.051Z	56.146° ENE	20.849°	2025-05-09 15:25:03.051Z	13.922° NNE
37 mins	2025-05-09 17:38:03.051Z	169.297° S	2025-05-09 17:56:03.051Z	78.251° E	44.893°	2025-05-09 18:15:03.051Z	359.65° N
27 mins	2025-05-09 20:33:03.051Z	245.579° WSW	2025-05-09 20:46:03.051Z	293.594° NW	23.05°	2025-05-09 21:00:03.051Z	344.369° N
24 mins	2025-05-10 02:51:03.051Z	21.925° NNE	2025-05-10 03:02:03.051Z	61.106° ENE	19.51°	2025-05-10 03:15:03.051Z	106.597° ESE
36 mins	2025-05-10 05:36:03.051Z	2.186° NNE	2025-05-10 05:53:03.051Z	65.345° ENE	44.882°	2025-05-10 06:12:03.051Z	183.625° SSW

Authenticating...

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Check out SECOR 8 (EGRS 8), 2520 on other resources

View SECOR 8 (EGRS 8), 2520 on NASA - NSSDCA Website

View SECOR 8 (EGRS 8), 2520 on Heavens-Above

View SECOR 8 (EGRS 8), 2520 on Keep Track

View SECOR 8 (EGRS 8), 2520 on Celestrak

View SECOR 8 (EGRS 8), 2520 on Gunter's Space Page

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