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SECOR 4 (EGRS 4), 1315

Orbit data source: Space-Track

SECOR 4 (EGRS 4), 1315 is a 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

5 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 5 hours ago

0 SECOR 4 (EGRS 4)
1  1315U 65027B   25152.13630679  .00000029  00000-0  78780-4 0  9995
2  1315  90.2420   7.0142 0032741 114.0959  12.5501 12.92657693838204

Epoch: 2025-06-01T03:16Z

TLE epoch observation values (Epoch: 2025-06-01T03:16:16.906Z)

Latitude

53.3633°

Longitude

-111.59913°

Altitude

1,275.257 km

Speed

7.235 km/s

True Right ascension

12h 29m 21s

True Declination

53° 12' 35"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-11.30959°

Longitude

68.12971°

Altitude

1,310.273 km

Speed

7.194 km/s

Apparent Right ascension

02h 27m 44s

Apparent Declination

-29° 54' 23"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

17:47:53

Azimuth

92.169° ESE

Elevation

-48.325°

Doppler factor

Orbital elements

Apogee altitude

1,313.228 km

Perigee altitude

1,263.028 km

Semi-major axis

7,666.265 km

Eccentricity

0.00327

Inclination

90.242°

RAAN

7.0142°

Arg. of periapsis

114.0959°

True anomaly

Unknown

Mean anomaly

12.5501°

Eccentric anomaly

Unknown

Mean motion

3.23346 °/min

Orbital period

111.34 mins

BSTAR

0.00007878

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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.
13 mins	2025-06-01 13:52:06.049Z	145.585° SSE	2025-06-01 13:59:06.049Z	70.047° E	34.696°	2025-06-01 14:05:06.049Z	12.271° NNE
12 mins	2025-06-01 15:44:06.049Z	217.938° SW	2025-06-01 15:50:06.049Z	280.244° WNW	29.519°	2025-06-01 15:56:06.049Z	337.692° N
11 mins	2025-06-02 01:33:06.049Z	31.805° NE	2025-06-02 01:38:06.049Z	87.114° E	27.684°	2025-06-02 01:44:06.049Z	142.11° SSE
13 mins	2025-06-02 03:23:06.049Z	347.539° N	2025-06-02 03:29:06.049Z	279.752° WNW	36.318°	2025-06-02 03:36:06.049Z	210.266° SW

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.