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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

6 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 6 hours ago

0 SOLRAD 7B
1  1291U 65016D   25192.14927881  .00000009  00000-0  45460-4 0  9992
2  1291  70.0778 241.2866 0022386 214.8496 145.1145 13.94917171 69636

Epoch: 2025-07-11T03:34Z

TLE epoch observation values (Epoch: 2025-07-11T03:34:57.689Z)

Latitude

-0.00001°

Longitude

-101.75913°

Altitude

927.166 km

Speed

7.382 km/s

True Right ascension

16h 05m 08s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

70.17073°

Longitude

-11.21267°

Altitude

932.121 km

Speed

7.388 km/s

Apparent Right ascension

08h 49m 25s

Apparent Declination

48° 15' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

21:28:23

Azimuth

6.472° NNE

Elevation

-1.408°

Doppler factor

Orbital elements

Apogee altitude

925.8 km

Perigee altitude

893.172 km

Semi-major axis

7,287.623 km

Eccentricity

0.00224

Inclination

70.0778°

RAAN

241.2866°

Arg. of periapsis

214.8496°

True anomaly

Unknown

Mean anomaly

145.1145°

Eccentric anomaly

Unknown

Mean motion

3.48871 °/min

Orbital period

103.19 mins

BSTAR

0.00004546

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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.
6 mins	2025-07-11 12:44:43.557Z	17.499° NNE	2025-07-11 12:47:43.557Z	50.964° ENE	15.804°	2025-07-11 12:50:43.557Z	82.549° E
10 mins	2025-07-11 14:29:43.557Z	334.969° NNW	2025-07-11 14:33:43.557Z	313.639° NW	44.854°	2025-07-11 14:39:43.557Z	158.433° S
9 mins	2025-07-12 03:47:43.557Z	161.283° S	2025-07-12 03:51:43.557Z	109.738° ESE	29.108°	2025-07-12 03:56:43.557Z	45.524° ENE
9 mins	2025-07-12 05:33:43.557Z	244.9° WSW	2025-07-12 05:37:43.557Z	305.974° NW	31.394°	2025-07-12 05:42:43.557Z	7.778° NNE

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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