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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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<iframe src="https://www.satcat.com/sats-embedded/1291?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/1291?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

1291, 1965-016D

Orbit

LEO

Last TLE update

9 hours ago

Origin

National Reconnaissance Office (US)

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 9 hours ago

0 SOLRAD 7B
1  1291U 65016D   25118.21849235  .00000084  00000-0  10083-3 0  9999
2  1291  70.0810  38.4493 0023200 301.8855  57.9993 13.94906406 59322

Epoch: 2025-04-28T05:14Z

Definitive object data (Epoch: 2025-04-28T05:14:37.739Z)

Latitude

-0.00001°

Longitude

103.35638°

Altitude

904.868 km

Speed

7.404 km/s

True Right ascension

02h 33m 47s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

17.20646°

Longitude

-83.88328°

Altitude

926.086 km

Speed

7.384 km/s

Apparent Right ascension

12h 27m 41s

Apparent Declination

-10° 32' 25"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

22:04:11

Azimuth

302.771° NW

Elevation

-46.751°

Doppler factor

Orbital elements

Apogee altitude

926.43 km

Perigee altitude

892.616 km

Semi-major axis

7,287.66 km

Eccentricity

0.00232

Inclination

70.081°

RAAN

38.4493°

Arg. of periapsis

301.8855°

True anomaly

58.2251°

Mean anomaly

57.9993°

Eccentric anomaly

58.11217°

Mean motion

3.48868 °/min

BSTAR

0.00010083

Orbital period

103.19 mins

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Other satellites on launch #16 in the year 1965 (1965-03-09 UTC)

OPS 4988 (GREB 6), 1271

SURCAL 2, 1310 (Decayed)

PORCUPINE 1, 1272

THOR AGENA D R/B, 1245

OPS 4988 DEB, 12099

GGSE 3 DEB, 44043

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 mins	2025-04-28 19:07:22.751Z	160.037° S	2025-04-28 19:12:22.751Z	96.184° ESE	26.585°	2025-04-28 19:16:22.751Z	48.988° ENE
9 mins	2025-04-28 20:53:22.751Z	239.499° WSW	2025-04-28 20:57:22.751Z	299.488° NW	33.196°	2025-04-28 21:02:22.751Z	8.062° NNE
7 mins	2025-04-29 04:10:22.751Z	12.094° NNE	2025-04-29 04:13:22.751Z	46.556° ENE	19.279°	2025-04-29 04:17:22.751Z	91.937° ESE
10 mins	2025-04-29 05:55:22.751Z	329.004° NNW	2025-04-29 06:00:22.751Z	217.191° SW	42.718°	2025-04-29 06:05:22.751Z	167.238° S

Authenticating...

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Check out SOLRAD 7B, 1291 on other resources

View SOLRAD 7B, 1291 on NASA - NSSDCA Website

View SOLRAD 7B, 1291 on Heavens-Above

View SOLRAD 7B, 1291 on Keep Track

View SOLRAD 7B, 1291 on Celestrak

View SOLRAD 7B, 1291 on Gunter's Space Page

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