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SECOR 7 (EGRS 7), 2411

Orbit data source: Space-Track

SECOR 7 (EGRS 7), 2411 is an American payload satellite in LEO that was launched on Fri, 19 Aug 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.

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<iframe src="https://www.satcat.com/sats-embedded/2411?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/2411?theme=dark&initialShowStats=false

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Identifier

2411, 1966-077B

Orbit

LEO

Country

Related business

United States Army (US)

Manufacturer

ITT

Mission

Spacecraft

Bus & Motor

SECOR, Unknown motor

Mass

18 kg wet, 18 kg dry

Launch date (UTC)

1966-08-19 (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

Unknown

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 2 days ago

TLE from 2 days ago

0 SECOR 7 (EGRS 7)
1  2411U 66077B   26071.51365860  .00000003  00000-0  76474-3 0  9998
2  2411  90.3265 276.3232 0011619 151.7523 208.3961  8.59615459869073

Epoch: 2026-03-12T12:19Z

TLE epoch observation values (Epoch: 2026-03-12T12:19:40.103Z)

Latitude

0.00005°

Longitude

-78.75636°

Altitude

3,700.545 km

Speed

6.286 km/s

True Right ascension

18h 25m 17s

True Declination

0° 00' 00"

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

16:03:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

3,697.579 km

Perigee altitude

3,674.192 km

Semi-major axis

10,064.022 km

Eccentricity

0.00116

Inclination

90.3265°

RAAN

276.3232°

Arg. of periapsis

151.7523°

True anomaly

208.33286°

Mean anomaly

208.3961°

Eccentric anomaly

208.36447°

Mean motion

2.14974 °/min

Orbital period

167.46 mins

BSTAR

0.00076474

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Other satellites on launch #77 in the year 1966 (1966-08-19 UTC)

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SECOR 7 (EGRS 7) 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.
32 mins	2026-03-14 11:52:50.222Z	129.088° SE	2026-03-14 12:08:50.222Z	69.681° E	33.447°	2026-03-14 12:24:50.222Z	6.714° NNE
36 mins	2026-03-14 14:36:50.222Z	195.974° SSW	2026-03-14 14:54:50.222Z	278.183° WNW	41.068°	2026-03-14 15:12:50.222Z	354.133° N
33 mins	2026-03-14 23:46:50.222Z	11.772° NNE	2026-03-15 00:02:50.222Z	75.096° E	32.164°	2026-03-15 00:19:50.222Z	141.737° SSE
35 mins	2026-03-15 02:33:50.222Z	357.159° N	2026-03-15 02:50:50.222Z	280.876° WNW	41.577°	2026-03-15 03:08:50.222Z	208.75° SW
13 mins	2026-03-15 05:24:50.222Z	335.799° NNW	2026-03-15 05:30:50.222Z	315.474° NNW	13.399°	2026-03-15 05:37:50.222Z	292.133° WNW
17 mins	2026-03-15 10:26:50.222Z	75.036° E	2026-03-15 10:34:50.222Z	47.171° ENE	16.328°	2026-03-15 10:43:50.222Z	16.679° NNE

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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 7 (EGRS 7), 2411 on other resources

View SECOR 7 (EGRS 7), 2411 on NASA - NSSDCA Website

View SECOR 7 (EGRS 7), 2411 on Heavens-Above

View SECOR 7 (EGRS 7), 2411 on Keep Track

View SECOR 7 (EGRS 7), 2411 on Celestrak

View SECOR 7 (EGRS 7), 2411 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 7 (EGRS 7), 2411

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-03-12T12:19:40.103Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #77 in the year 1966 (1966-08-19 UTC)

SECOR 7 (EGRS 7) Visibility forecast

Co-orbital & Co-planar RSOs

Check out SECOR 7 (EGRS 7), 2411 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago