Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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: 17 hours ago

TLE from 17 hours ago

0 SECOR 3
1 01208U 65016E   26127.82505794  .00000039  00000-0  66510-4 0  9991
2 01208  70.0794 270.0669 0018671 144.7925 331.9849 13.96074485113532

Epoch: 2026-05-07T19:48Z

TLE epoch observation values (Epoch: 2026-05-07T19:48:05.006Z)

Latitude

57.26117°

Longitude

-106.7239°

Altitude

904.421 km

Speed

7.412 km/s

True Right ascension

03h 43m 51s

True Declination

57° 06' 28"

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

20:42:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

919.055 km

Perigee altitude

891.856 km

Semi-major axis

7,283.592 km

Eccentricity

0.00187

Inclination

70.0794°

RAAN

270.0669°

Arg. of periapsis

144.7925°

True anomaly

331.8842°

Mean anomaly

331.9849°

Eccentric anomaly

331.93457°

Mean motion

3.4916 °/min

Orbital period

103.1 mins

BSTAR

0.00006651

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

OPS 4988 (GREB 6), 1271

OSCAR 3, 1293

THOR AGENA D R/B, 1245

SURCAL 2, 1310 (Decayed)

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

SECOR 3 Visibility forecast

Loading observer location...
Set Observer location

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.
7 mins	2026-05-08 12:38:14.609Z	273.75° WNW	2026-05-08 12:42:14.609Z	317.398° NNW	16.509°	2026-05-08 12:45:14.609Z	349.255° N
9 mins	2026-05-08 19:53:14.609Z	353.086° N	2026-05-08 19:57:14.609Z	56.069° ENE	36.051°	2026-05-08 20:02:14.609Z	130.664° SE
8 mins	2026-05-08 21:39:14.609Z	301.152° NW	2026-05-08 21:42:14.609Z	263.675° W	22.967°	2026-05-08 21:47:14.609Z	204.635° SW
5 mins	2026-05-09 09:13:14.609Z	122.53° SE	2026-05-09 09:15:14.609Z	100.544° ESE	15.057°	2026-05-09 09:18:14.609Z	68.507° E
9 mins	2026-05-09 10:56:14.609Z	213.252° SW	2026-05-09 11:00:14.609Z	292.865° NW	43.838°	2026-05-09 11:05:14.609Z	19.593° NNE

Items per page:

1–5 of 5 items

of 1 page

Co-orbital & Co-planar RSOs

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

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

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

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 descending order

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: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2026-05-07T19:48:05.006Z)

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: 17 hours ago