OSCAR 7, 7530
Orbit data source: Space-Track
OSCAR 7, 7530 is a payload satellite owned by AMSAT-NA (US) 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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7530 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
AMSAT-NA
Mission
Partially operational spacecraft
Bus & Motor
AMSAT PHASE 2, Unknown motor
Mass
29 kg wet, 29 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 OSCAR 7
1 7530U 74089B 26101.53554720 -.00000030 00000-0 10288-3 0 9990
2 7530 101.9945 114.0790 0011873 257.9079 270.5743 12.53696996352168Epoch: 2026-04-11T12:51Z
TLE epoch observation values (Epoch: 2026-04-11T12:51:11.278Z)
Latitude
11.35536°
Longitude
-96.03813°
Altitude
1,450.806 km
Speed
7.138 km/s
True Right ascension
19h 46m 02s
True Declination
11° 17' 42"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
01:48:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,455.916 km
Perigee altitude
1,437.336 km
Semi-major axis
7,824.763 km
Eccentricity
0.00119
Inclination
101.9945°
RAAN
114.079°
Arg. of periapsis
257.9079°
True anomaly
270.43825°
Mean anomaly
270.5743°
Eccentric anomaly
270.50628°
Mean motion
3.13571 °/min
Orbital period
114.81 mins
BSTAR
0.00010288
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Other satellites on launch #89 in the year 1974 (1974-11-15 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.OSCAR 7 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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2026-04-11 23:34:23.052Z | 127.695° SE | 2026-04-11 23:41:23.052Z | 60.058° ENE | 35.004° | 2026-04-11 23:48:23.052Z | 355.716° N |
| 14 mins | 2026-04-12 01:27:23.052Z | 195.057° SSW | 2026-04-12 01:34:23.052Z | 267.298° W | 33.716° | 2026-04-12 01:41:23.052Z | 327.847° NNW |
| 14 mins | 2026-04-12 13:29:23.052Z | 25.114° NE | 2026-04-12 13:36:23.052Z | 119.721° SE | 42.711° | 2026-04-12 13:43:23.052Z | 186.756° SSW |
| 11 mins | 2026-04-12 15:23:23.052Z | 348.367° N | 2026-04-12 15:28:23.052Z | 300.769° NW | 25.6° | 2026-04-12 15:34:23.052Z | 251.367° W |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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