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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). 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/1315?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/1315?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1315, 1965-027B

Orbit

LEO

Last TLE update

10 hours 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)

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 & HBR

Box, 0.4 m

Radar Cross Section

0.105 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 SECOR 4 (EGRS 4)
1 01315U 65027B   25192.93389596 -.00000061  00000-0 -25287-3 0  9997
2 01315  90.2410   7.9011 0031443  12.1267 142.3485 12.92658396842967

Epoch: 2025-07-11T22:24Z

TLE epoch observation values (Epoch: 2025-07-11T22:24:48.61Z)

Latitude

25.33149°

Longitude

-78.26664°

Altitude

1,313.17 km

Speed

7.193 km/s

True Right ascension

12h 32m 03s

True Declination

25° 12' 30"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-45.8905°

Longitude

-78.61869°

Altitude

1,328.571 km

Speed

7.183 km/s

Apparent Right ascension

10h 34m 23s

Apparent Declination

-47° 18' 05"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

20:25:38

Azimuth

241.588° WSW

Elevation

-65.75°

Doppler factor

Orbital elements

Apogee altitude

1,312.23 km

Perigee altitude

1,264.02 km

Semi-major axis

7,666.262 km

Eccentricity

0.00314

Inclination

90.241°

RAAN

7.9011°

Arg. of periapsis

12.1267°

True anomaly

Unknown

Mean anomaly

142.3485°

Eccentric anomaly

Unknown

Mean motion

3.23346 °/min

Orbital period

111.34 mins

BSTAR

-0.00025287

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Other satellites on launch #27 in the year 1965 (1965-04-03 UTC)

OPS 4682 (SNAPSHOT), 1314

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 mins	2025-07-12 10:45:12.862Z	122.18° SE	2025-07-12 10:50:12.862Z	74.869° E	24.491°	2025-07-12 10:56:12.862Z	20.777° NNE
13 mins	2025-07-12 12:35:12.862Z	198.48° SSW	2025-07-12 12:41:12.862Z	279.776° WNW	39.583°	2025-07-12 12:48:12.862Z	348.908° N
8 mins	2025-07-12 22:25:12.862Z	44.959° NE	2025-07-12 22:29:12.862Z	81.493° E	18.507°	2025-07-12 22:33:12.862Z	115.558° SE
14 mins	2025-07-13 00:14:12.862Z	358.343° N	2025-07-13 00:20:12.862Z	307.181° NW	43.879°	2025-07-13 00:28:12.862Z	191.886° SSW
4 mins	2025-07-13 02:09:12.862Z	304.252° NW	2025-07-13 02:10:12.862Z	296.077° NW	12.723°	2025-07-13 02:13:12.862Z	272.349° WNW

Authenticating...

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Check out SECOR 4 (EGRS 4), 1315 on other resources

View SECOR 4 (EGRS 4), 1315 on NASA - NSSDCA Website

View SECOR 4 (EGRS 4), 1315 on Heavens-Above

View SECOR 4 (EGRS 4), 1315 on Keep Track

View SECOR 4 (EGRS 4), 1315 on Celestrak

View SECOR 4 (EGRS 4), 1315 on Gunter's Space Page

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