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SECOR 3, 1208

Orbit data source: Space-Track

SECOR 3, 1208 is an American payload satellite in LEO that was launched on Tue, 09 Mar 1965 UTC via a THOR SLV-2 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/1208?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/1208?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1208, 1965-016E

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)

1965-03-09 (61 years ago)

Launch vehicle

THOR SLV-2 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: 4 hours ago

TLE from 4 hours ago

0 SECOR 3
1 01208U 65016E   26038.32793587  .00000070  00000-0  89434-4 0  9991
2 01208  70.0789 100.6890 0023045 257.8858 178.5044 13.96057769101043

Epoch: 2026-02-07T07:52Z

TLE epoch observation values (Epoch: 2026-02-07T07:52:13.659Z)

Latitude

66.13673°

Longitude

-100.23676°

Altitude

935.092 km

Speed

7.382 km/s

True Right ascension

10h 21m 05s

True Declination

66° 00' 44"

Sunlit

Object was in full shadow 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

14:02:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

922.299 km

Perigee altitude

888.728 km

Semi-major axis

7,283.651 km

Eccentricity

0.0023

Inclination

70.0789°

RAAN

100.689°

Arg. of periapsis

257.8858°

True anomaly

178.51127°

Mean anomaly

178.5044°

Eccentric anomaly

178.50784°

Mean motion

3.49156 °/min

Orbital period

103.11 mins

BSTAR

0.000089434

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Other satellites on launch #16 in the year 1965 (1965-03-09 UTC)

SURCAL 2, 1310 (Decayed)

OSCAR 3, 1293

OPS 4988 (GREB 6), 1271

SOLRAD 7B, 1291

PORCUPINE 1, 1272

THOR AGENA D R/B, 1245

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SECOR 3 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.
4 mins	2026-02-07 13:12:55.700Z	20.843° NNE	2026-02-07 13:14:55.700Z	40.728° NE	12.129°	2026-02-07 13:16:55.700Z	61.102° ENE
9 mins	2026-02-07 14:57:55.700Z	344.907° N	2026-02-07 15:01:55.700Z	62.123° ENE	42.747°	2026-02-07 15:06:55.700Z	144.838° SSE
5 mins	2026-02-07 16:44:55.700Z	283.615° WNW	2026-02-07 16:46:55.700Z	260.226° W	16.71°	2026-02-07 16:49:55.700Z	227.216° WSW
8 mins	2026-02-08 04:15:55.700Z	144.745° SSE	2026-02-08 04:19:55.700Z	95.34° ESE	21.597°	2026-02-08 04:23:55.700Z	52.627° ENE
10 mins	2026-02-08 05:59:55.700Z	226.33° WSW	2026-02-08 06:04:55.700Z	307.593° NW	38.166°	2026-02-08 06:09:55.700Z	13.354° 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 3, 1208 on other resources

View SECOR 3, 1208 on NASA - NSSDCA Website

View SECOR 3, 1208 on Heavens-Above

View SECOR 3, 1208 on Keep Track

View SECOR 3, 1208 on Celestrak

View SECOR 3, 1208 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 3, 1208

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 4 hours ago

TLE from 4 hours ago

TLE epoch observation values (Epoch: 2026-02-07T07:52:13.659Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #16 in the year 1965 (1965-03-09 UTC)

SECOR 3 Visibility forecast

Co-orbital & Co-planar RSOs

Check out SECOR 3, 1208 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 4 hours ago