Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

2520, 1966-089B

Orbit

LEO

Last TLE update

5 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 5 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

34.99491°

Longitude

-81.20152°

Altitude

3,710.715 km

Speed

6.285 km/s

Apparent Right ascension

14h 08m 29s

Apparent Declination

26° 40' 26"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:17:06

Azimuth

188.351° SSW

Elevation

76.637°

Doppler factor

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

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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.
16 mins	2025-07-04 02:28:08.353Z	188.252° SSW	2025-07-04 02:28:08.353Z	188.252° SSW	44.194°	2025-07-04 02:44:08.353Z	187.508° SSW
24 mins	2025-07-04 04:57:08.353Z	345.155° N	2025-07-04 05:09:08.353Z	301.856° NW	22.427°	2025-07-04 05:21:08.353Z	259.867° W
32 mins	2025-07-04 12:36:08.353Z	133.721° SE	2025-07-04 12:52:08.353Z	66.622° ENE	36.016°	2025-07-04 13:08:08.353Z	5.758° NNE
35 mins	2025-07-04 15:21:08.353Z	204.115° SW	2025-07-04 15:38:08.353Z	280.607° WNW	38.935°	2025-07-04 15:56:08.353Z	353.967° N
34 mins	2025-07-05 00:30:08.353Z	9.295° NNE	2025-07-05 00:47:08.353Z	79.823° E	35.833°	2025-07-05 01:04:08.353Z	148.902° SSE

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

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.