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INTELSAT 1-F1, 1317

Orbit data source: Space-Track

INTELSAT 1-F1, 1317 is a payload satellite owned by INTELSAT (US) in GEO that was launched on Tue, 06 Apr 1965 UTC via a THOR DELTA D launch vehicle from the Air Force Eastern Test Range (AFETR). 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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https://www.satcat.com/sats-embedded/1317?theme=dark&initialShowStats=false

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Identifier

1317, 1965-028A

Orbit

GEO

Country

US / ITSO

Related business

SES S.A. (LU)

Manufacturer

Hughes

Mission

Non-operational spacecraft

Bus & Motor

HS-303A, STARFINDER

Mass

68 kg wet, 30 kg dry

Launch date (UTC)

1965-04-06 (61 years ago)

Launch vehicle

THOR DELTA D

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

CYL, 1.1 m

Radar Cross Section

Large (>1 m²)

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Last TLE update: 19 hours ago

TLE from 19 hours ago

0 INTELSAT 1-F1
1 01317U 65028A   26258.58801959  .00000119  00000-0  00000-0 0  9992
2 01317   7.3714  62.7555 0008603 146.6354 209.5477  1.00218452128077

Epoch: 2026-09-15T14:06Z

TLE epoch observation values (Epoch: 2026-09-15T14:06:44.892Z)

Latitude

-0.51281°

Longitude

-147.33267°

Altitude

35,832.696 km

Speed

3.072 km/s

True Right ascension

03h 55m 37s

True Declination

0° 30' 44"

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

01:35:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,838.885 km

Perigee altitude

35,766.309 km

Semi-major axis

42,180.734 km

Eccentricity

0.00086

Inclination

7.3714°

RAAN

62.7555°

Arg. of periapsis

146.6354°

True anomaly

209.49913°

Mean anomaly

209.5477°

Eccentric anomaly

209.52341°

Mean motion

0.25054 °/min

Orbital period

1,436.91 mins

BSTAR

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Other satellites on launch #28 in the year 1965 (1965-04-06 UTC)

DELTA 1 R/B(2), 1318

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INTELSAT 1-F1 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.
1440 mins	2026-09-16 08:55:06.342Z	229.549° WSW	2026-09-16 20:35:06.342Z	241.034° WSW	32.722°	2026-09-17 08:55:06.342Z	229.728° WSW

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1317 neighbors

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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 INTELSAT 1-F1, 1317 on other resources

View INTELSAT 1-F1, 1317 on NASA - NSSDCA Website

View INTELSAT 1-F1, 1317 on Heavens-Above

View INTELSAT 1-F1, 1317 on Keep Track

View INTELSAT 1-F1, 1317 on Celestrak

View INTELSAT 1-F1, 1317 on Gunter's Space Page

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

INTELSAT 1-F1, 1317

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2026-09-15T14:06:44.892Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #28 in the year 1965 (1965-04-06 UTC)

INTELSAT 1-F1 Visibility forecast

1317 neighbors

Co-orbital & Co-planar RSOs

Check out INTELSAT 1-F1, 1317 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 19 hours ago