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
OCT CYL, 1.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 OSCAR 7
1 07530U 74089B 26305.30413501 -.00000051 00000-0 -28298-4 0 9997
2 07530 101.9887 319.9720 0012043 228.8869 142.5980 12.53700274377709Epoch: 2026-11-01T07:17Z
TLE epoch observation values (Epoch: 2026-11-01T07:17:57.264Z)
Latitude
11.27181°
Longitude
167.47223°
Altitude
1,458.368 km
Speed
7.131 km/s
True Right ascension
21h 10m 13s
True Declination
11° 12' 43"
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
15:44:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,456.035 km
Perigee altitude
1,437.189 km
Semi-major axis
7,824.749 km
Eccentricity
0.0012
Inclination
101.9887°
RAAN
319.972°
Arg. of periapsis
228.8869°
True anomaly
142.68172°
Mean anomaly
142.598°
Eccentric anomaly
142.63987°
Mean motion
3.13572 °/min
Orbital period
114.81 mins
BSTAR
-0.000028298
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-11-01 22:45:56.461Z | 83.56° E | 2026-11-01 22:50:56.461Z | 45.018° ENE | 17.447° | 2026-11-01 22:54:56.461Z | 14.776° NNE |
| 15 mins | 2026-11-02 00:34:56.461Z | 150.579° SSE | 2026-11-02 00:41:56.461Z | 62.575° ENE | 74.943° | 2026-11-02 00:49:56.461Z | 345.929° N |
| 10 mins | 2026-11-02 02:30:56.461Z | 228.63° WSW | 2026-11-02 02:34:56.461Z | 263.329° W | 22.827° | 2026-11-02 02:40:56.461Z | 312.426° NW |
| 10 mins | 2026-11-02 12:38:56.461Z | 53.826° ENE | 2026-11-02 12:43:56.461Z | 98.314° ESE | 23.599° | 2026-11-02 12:48:56.461Z | 139.623° SSE |
| 15 mins | 2026-11-02 14:29:56.461Z | 12.505° NNE | 2026-11-02 14:36:56.461Z | 288.488° WNW | 72.517° | 2026-11-02 14:44:56.461Z | 209.799° SW |
| 7 mins | 2026-11-02 16:24:56.461Z | 337.515° N | 2026-11-02 16:27:56.461Z | 313.772° NW | 16.768° | 2026-11-02 16:31:56.461Z | 282.399° WNW |
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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