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SOLRAD 7B, 1291

Orbit data source: Space-Track

SOLRAD 7B, 1291 is an American payload satellite in LEO that was launched on Tue, 09 Mar 1965 UTC via a THOR SLV-2 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
1291, 1965-016D
Orbit
LEO
Last TLE update
18 hours ago
Origin
Manufacturer
NRL
Mission
Defense Science
Bus & Motor
NRL 24", Unknown motor
Mass
47 kg wet, 47 kg dry
Launch date (UTC)
1965-03-09 (60 years ago)
Launch vehicle
THOR SLV-2 AGENA D
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Sphere + 1 Ant, 1.5 m
Radar Cross Section
0.248 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 18 hours ago
0 SOLRAD 7B
1 01291U 65016D   25181.60824990  .00000000  00000-0  38658-4 0  9990
2 01291  70.0793 263.6947 0022852 227.4938 132.4238 13.94916038 67675
Epoch: 2025-06-30T14:35Z
TLE epoch observation values (Epoch: 2025-06-30T14:35:52.791Z)
Latitude
0.00001°
Longitude
125.80913°
Altitude
925.03 km
Speed
7.384 km/s
True Right ascension
17h 34m 46s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
-14.35288°
Longitude
-50.50452°
Altitude
902.506 km
Speed
7.408 km/s
Apparent Right ascension
06h 51m 45s
Apparent Declination
-27° 24' 07"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
20:22:39
Azimuth
63.304° ENE
Elevation
-67.426°
Doppler factor
1
Orbital elements
Apogee altitude
926.143 km
Perigee altitude
892.836 km
Semi-major axis
7,287.627 km
Eccentricity
0.00229
Inclination
70.0793°
RAAN
263.6947°
Arg. of periapsis
227.4938°
True anomaly
Unknown
Mean anomaly
132.4238°
Eccentric anomaly
Unknown
Mean motion
3.4887 °/min
Orbital period
103.19 mins
BSTAR
0.000038658
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SOLRAD 7B Visibility forecast

Observer location: undefined°, undefined°

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 mins2025-07-01 15:14:29.488Z2.505° NNE2025-07-01 15:18:29.488Z49.238° ENE23.011°2025-07-01 15:23:29.488Z106.78° ESE
9 mins2025-07-01 17:00:29.488Z321.437° NNW2025-07-01 17:04:29.488Z260.317° W38.657°2025-07-01 17:09:29.488Z178.958° S
10 mins2025-07-02 06:18:29.488Z180.66° SSW2025-07-02 06:22:29.488Z116.233° SE39.785°2025-07-02 06:28:29.488Z32.909° NE
8 mins2025-07-02 08:05:29.488Z266.367° W2025-07-02 08:08:29.488Z304.019° NW22.546°2025-07-02 08:13:29.488Z0.634° NNE
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