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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: 11 hours ago

TLE from 11 hours ago

0 INTASAT
1  7531U 74089C   26130.01075522 -.00000035  00000-0  73963-4 0  9999
2  7531 101.9952 141.9838 0011118 213.1652 204.8070 12.53529333355494

Epoch: 2026-05-10T00:15Z

TLE epoch observation values (Epoch: 2026-05-10T00:15:29.251Z)

Latitude

56.06956°

Longitude

-108.02506°

Altitude

1,466.804 km

Speed

7.131 km/s

True Right ascension

08h 14m 40s

True Declination

55° 55' 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

19:34:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,456.024 km

Perigee altitude

1,438.624 km

Semi-major axis

7,825.461 km

Eccentricity

0.00111

Inclination

101.9952°

RAAN

141.9838°

Arg. of periapsis

213.1652°

True anomaly

204.75361°

Mean anomaly

204.807°

Eccentric anomaly

204.7803°

Mean motion

3.13529 °/min

Orbital period

114.82 mins

BSTAR

0.000073963

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

THORAD DELTA 1 DEB, 8185

THORAD DELTA 1 DEB, 8400

THORAD DELTA 1 DEB, 8595

THORAD DELTA 1 DEB, 42601

THORAD DELTA 1 DEB, 8310

THORAD DELTA 1 DEB, 8169

THORAD DELTA 1 DEB, 8300

THORAD DELTA 1 DEB, 8182

THORAD DELTA 1 DEB, 8406

THORAD DELTA 1 DEB, 8396

THORAD DELTA 1 DEB, 8158

THORAD DELTA 1 DEB, 8556

THORAD DELTA 1 DEB, 8562

THORAD DELTA 1 DEB, 8567

THORAD DELTA 1 DEB, 42623

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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.
10 mins	2026-05-10 12:06:47.339Z	50.326° ENE	2026-05-10 12:11:47.339Z	89.068° E	18.694°	2026-05-10 12:16:47.339Z	130.332° SE
15 mins	2026-05-10 13:58:47.339Z	15.491° NNE	2026-05-10 14:05:47.339Z	279.85° WNW	44.739°	2026-05-10 14:13:47.339Z	204.228° SW
8 mins	2026-05-10 15:53:47.339Z	338.557° N	2026-05-10 15:56:47.339Z	313.703° NW	18.177°	2026-05-10 16:01:47.339Z	273.41° WNW
12 mins	2026-05-10 23:05:47.339Z	107.7° ESE	2026-05-10 23:11:47.339Z	52.61° ENE	26.82°	2026-05-10 23:17:47.339Z	2.698° NNE
15 mins	2026-05-11 00:56:47.339Z	176.903° S	2026-05-11 01:03:47.339Z	261.939° W	41.923°	2026-05-11 01:11:47.339Z	336.363° NNW

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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: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-05-10T00:15:29.251Z)

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: 11 hours ago