SOLRAD 7A, 730
Orbit data source: Space-Track
SOLRAD 7A, 730 is an American payload satellite in LEO that was launched on Sat, 11 Jan 1964 UTC via a THOR SLV-2A AGENA D 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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Identifier
Orbit
Country
USRelated business
Manufacturer
NRL
Mission
Spacecraft
Bus & Motor
NRL 24", Unknown motor
Mass
40 kg wet, 40 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
SPHERE, 1.1 m
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 SOLRAD 7A
1 00730U 64001D 26288.23079900 .00000015 00000-0 50213-4 0 9998
2 00730 69.9088 19.0852 0016330 244.5264 134.9911 13.96069452 77396Epoch: 2026-10-15T05:32Z
TLE epoch observation values (Epoch: 2026-10-15T05:32:21.033Z)
Latitude
18.41463°
Longitude
-80.8135°
Altitude
917.637 km
Speed
7.391 km/s
True Right ascension
01h 44m 10s
True Declination
18° 18' 51"
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
10:41:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
917.384 km
Perigee altitude
893.596 km
Semi-major axis
7,283.627 km
Eccentricity
0.00163
Inclination
69.9088°
RAAN
19.0852°
Arg. of periapsis
244.5264°
True anomaly
135.12325°
Mean anomaly
134.9911°
Eccentric anomaly
135.05719°
Mean motion
3.49158 °/min
Orbital period
103.11 mins
BSTAR
0.000050213
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Other satellites on launch #1 in the year 1964 (1964-01-11 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.SOLRAD 7A 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 | 2026-10-15 16:19:03.061Z | 358.279° N | 2026-10-15 16:23:03.061Z | 47.869° ENE | 31.968° | 2026-10-15 16:28:03.061Z | 114.18° SE |
| 9 mins | 2026-10-15 18:05:03.061Z | 313.813° NW | 2026-10-15 18:09:03.061Z | 255.513° W | 39.995° | 2026-10-15 18:14:03.061Z | 188.651° SSW |
| 10 mins | 2026-10-16 07:22:03.061Z | 192.637° SSW | 2026-10-16 07:26:03.061Z | 138.896° SSE | 70.946° | 2026-10-16 07:32:03.061Z | 28.863° NE |
| 6 mins | 2026-10-16 09:10:03.061Z | 279.589° WNW | 2026-10-16 09:13:03.061Z | 316.187° NNW | 19.816° | 2026-10-16 09:16:03.061Z | 349.544° N |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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