Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

1315, 1965-027B

Orbit

LEO

Last TLE update

16 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 16 hours ago

0 SECOR 4 (EGRS 4)
1 01315U 65027B   25133.70141612  .00000006  00000-0 -51263-5 0  9995
2 01315  90.2446   6.6093 0031622 160.5178 266.2895 12.92657361835313

Epoch: 2025-05-13T16:50Z

Definitive object data (Epoch: 2025-05-13T16:50:02.352Z)

Latitude

66.52075°

Longitude

-118.15716°

Altitude

1,304.217 km

Speed

7.21 km/s

True Right ascension

00h 24m 11s

True Declination

66° 24' 14"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-79.03003°

Longitude

-116.32634°

Altitude

1,331.949 km

Speed

7.185 km/s

Apparent Right ascension

04h 18m 41s

Apparent Declination

-64° 28' 39"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

17:16:54

Azimuth

165.694° S

Elevation

-64.016°

Doppler factor

Orbital elements

Apogee altitude

1,312.372 km

Perigee altitude

1,263.887 km

Semi-major axis

7,666.266 km

Eccentricity

0.0031622

Inclination

90.2446°

RAAN

6.6093°

Arg. of periapsis

160.5178°

True anomaly

265.92799°

Mean anomaly

266.2895°

Eccentric anomaly

266.10874°

Mean motion

3.23346 °/min

BSTAR

-0.0000051263

Orbital period

111.34 mins

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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	2025-05-14 14:52:57.886Z	141.885° SSE	2025-05-14 14:59:57.886Z	74.739° E	32.364°	2025-05-14 15:05:57.886Z	15.322° NNE
12 mins	2025-05-14 16:44:57.886Z	212.707° SW	2025-05-14 16:50:57.886Z	277.235° WNW	32.534°	2025-05-14 16:56:57.886Z	338.939° N
11 mins	2025-05-15 02:33:57.886Z	32.269° NE	2025-05-15 02:38:57.886Z	82.657° E	25.052°	2025-05-15 02:44:57.886Z	136.92° SSE
12 mins	2025-05-15 04:24:57.886Z	347.901° N	2025-05-15 04:29:57.886Z	288.092° WNW	38.718°	2025-05-15 04:36:57.886Z	206.519° SW

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 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.