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SECOR 5 (EGRS 5), 1506

Orbit data source: Space-Track

SECOR 5 (EGRS 5), 1506 is an American payload satellite in LEO that was launched on Tue, 10 Aug 1965 UTC via an SCOUT B launch vehicle from the Wallops Island (WLPIS). 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/1506?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

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https://www.satcat.com/sats-embedded/1506?theme=dark&initialShowStats=false

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Identifier

1506, 1965-063A

Orbit

LEO

Country

Related business

United States Army (US)

Manufacturer

Cubic

Mission

Spacecraft

Bus & Motor

NRL 20", Unknown motor

Mass

18 kg wet, 18 kg dry

Launch date (UTC)

1965-08-10 (61 years ago)

Launch vehicle

SCOUT B

Launch site

Wallops Island (WLPIS)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 SECOR 5 (EGRS 5)
1 01506U 65063A   26126.88736263 -.00000017  00000-0  10934-3 0  9991
2 01506  69.2328 310.6048 0788472 196.2622 281.0567 11.78687332613386

Epoch: 2026-05-06T21:17Z

TLE epoch observation values (Epoch: 2026-05-06T21:17:48.131Z)

Latitude

62.67833°

Longitude

-100.51681°

Altitude

1,714.271 km

Speed

7.057 km/s

True Right ascension

05h 34m 42s

True Declination

62° 33' 16"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

13:44:31

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,418.957 km

Perigee altitude

1,133.092 km

Semi-major axis

8,154.162 km

Eccentricity

0.07885

Inclination

69.2328°

RAAN

310.6048°

Arg. of periapsis

196.2622°

True anomaly

272.05573°

Mean anomaly

281.0567°

Eccentric anomaly

276.56874°

Mean motion

2.94764 °/min

Orbital period

122.13 mins

BSTAR

0.00010934

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Other satellites on launch #63 in the year 1965 (1965-08-10 UTC)

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SECOR 5 (EGRS 5) Visibility forecast

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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	2026-05-07 11:01:38.158Z	113.488° SE	2026-05-07 11:06:38.158Z	90.714° ESE	14.319°	2026-05-07 11:12:38.158Z	62.567° ENE
24 mins	2026-05-07 12:58:38.158Z	183.349° SSW	2026-05-07 13:10:38.158Z	107.913° ESE	42.13°	2026-05-07 13:22:38.158Z	31.146° NE
22 mins	2026-05-07 15:05:38.158Z	240.875° WSW	2026-05-07 15:17:38.158Z	312.616° NW	35.103°	2026-05-07 15:27:38.158Z	16.057° NNE
11 mins	2026-05-07 17:21:38.158Z	307.416° NW	2026-05-07 17:26:38.158Z	332.848° NNW	15.65°	2026-05-07 17:32:38.158Z	6.595° NNE
6 mins	2026-05-07 19:36:38.158Z	354.507° N	2026-05-07 19:39:38.158Z	11.839° NNE	12.338°	2026-05-07 19:42:38.158Z	30.525° NE
14 mins	2026-05-07 21:42:38.158Z	348.408° N	2026-05-07 21:49:38.158Z	41.073° NE	28.858°	2026-05-07 21:56:38.158Z	106.388° ESE
14 mins	2026-05-07 23:48:38.158Z	325.625° NNW	2026-05-07 23:56:38.158Z	240.213° WSW	39.636°	2026-05-08 00:02:38.158Z	178.93° S

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out SECOR 5 (EGRS 5), 1506 on other resources

View SECOR 5 (EGRS 5), 1506 on NASA - NSSDCA Website

View SECOR 5 (EGRS 5), 1506 on Heavens-Above

View SECOR 5 (EGRS 5), 1506 on Keep Track

View SECOR 5 (EGRS 5), 1506 on Celestrak

View SECOR 5 (EGRS 5), 1506 on Gunter's Space Page

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

SECOR 5 (EGRS 5), 1506

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-05-06T21:17:48.131Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #63 in the year 1965 (1965-08-10 UTC)

SECOR 5 (EGRS 5) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SECOR 5 (EGRS 5), 1506 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago