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INTASAT, 7531

Orbit data source: Space-Track

INTASAT, 7531 is a payload satellite owned by INTA (ES) in SSO that was launched on Fri, 15 Nov 1974 UTC via a DELTA 2310 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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https://www.satcat.com/sats-embedded/7531?theme=dark&initialShowStats=false

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Identifier

7531, 1974-089C

Orbit

SSO

Country

ES / SPN

Related business

National Institute for Aerospace Technology (ES)

Manufacturer

INTA

Mission

Spacecraft

Bus & Motor

INTASAT, Unknown motor

Mass

25 kg wet, 25 kg dry

Launch date (UTC)

1974-11-15 (51 years ago)

Launch vehicle

DELTA 2310

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: 18 hours ago

TLE from 18 hours ago

0 INTASAT
1 07531U 74089C   26026.51421719 -.00000017  00000-0  18607-3 0  9994
2 07531 101.9996  37.3864 0011452  53.5626  72.9095 12.53526374342520

Epoch: 2026-01-26T12:20Z

TLE epoch observation values (Epoch: 2026-01-26T12:20:28.365Z)

Latitude

51.84324°

Longitude

-77.92449°

Altitude

1,455.309 km

Speed

7.141 km/s

True Right ascension

15h 32m 00s

True Declination

51° 41' 27"

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

07:50:20

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,456.298 km

Perigee altitude

1,438.375 km

Semi-major axis

7,825.474 km

Eccentricity

0.00115

Inclination

101.9996°

RAAN

37.3864°

Arg. of periapsis

53.5626°

True anomaly

73.03499°

Mean anomaly

72.9095°

Eccentric anomaly

72.97224°

Mean motion

3.13529 °/min

Orbital period

114.82 mins

BSTAR

0.00018607

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Other satellites on launch #89 in the year 1974 (1974-11-15 UTC)

THORAD DELTA 1 DEB, 42617

THORAD DELTA 1 R/B, 7532

THORAD DELTA 1 DEB, 9989

THORAD DELTA 1 DEB, 42616

THORAD DELTA 1 DEB, 42602

THORAD DELTA 1 DEB, 42620

THORAD DELTA 1 DEB, 8168

THORAD DELTA 1 DEB, 42599

THORAD DELTA 1 DEB, 8560

THORAD DELTA 1 DEB, 14879

THORAD DELTA 1 DEB, 8596

THORAD DELTA 1 DEB, 8788

THORAD DELTA 1 DEB, 18693

THORAD DELTA 1 DEB, 9699

THORAD DELTA 1 DEB, 8146

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INTASAT 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.
15 mins	2026-01-27 13:11:36.385Z	25.492° NE	2026-01-27 13:18:36.385Z	92.611° ESE	41.457°	2026-01-27 13:26:36.385Z	183.818° SSW
12 mins	2026-01-27 15:05:36.385Z	353.752° N	2026-01-27 15:11:36.385Z	297.21° NW	27.063°	2026-01-27 15:17:36.385Z	247.757° W
9 mins	2026-01-27 22:21:36.385Z	81.442° E	2026-01-27 22:25:36.385Z	48.563° ENE	17.811°	2026-01-27 22:30:36.385Z	10.436° NNE
14 mins	2026-01-28 00:10:36.385Z	154.121° SSE	2026-01-28 00:16:36.385Z	102.373° ESE	44.494°	2026-01-28 00:24:36.385Z	344.637° N
9 mins	2026-01-28 02:06:36.385Z	234.189° WSW	2026-01-28 02:10:36.385Z	268.553° W	19.084°	2026-01-28 02:15:36.385Z	308.518° NW

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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 INTASAT, 7531 on other resources

View INTASAT, 7531 on NASA - NSSDCA Website

View INTASAT, 7531 on Heavens-Above

View INTASAT, 7531 on Keep Track

View INTASAT, 7531 on Celestrak

View INTASAT, 7531 on Gunter's Space Page

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

INTASAT, 7531

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-01-26T12:20:28.365Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #89 in the year 1974 (1974-11-15 UTC)

INTASAT Visibility forecast

Co-orbital & Co-planar RSOs

Check out INTASAT, 7531 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 18 hours ago