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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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<iframe src="https://www.satcat.com/sats-embedded/730?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/730?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

730, 1964-001D

Orbit

LEO

Country

Related business

National Reconnaissance Office (US)

Manufacturer

NRL

Mission

Civil Astronomy

Bus & Motor

NRL 24", Unknown motor

Mass

40 kg wet, 40 kg dry

Launch date (UTC)

1964-01-11 (62 years ago)

Launch vehicle

THOR SLV-2A AGENA D

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere, 0.3 m

Radar Cross Section

0.283 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 22 hours ago

TLE from 22 hours ago

0 SOLRAD 7A
1 00730U 64001D   25242.10426564  .00000067  00000-0  87987-4 0  9990
2 00730  69.9063 182.0009 0012001  36.9632 334.1403 13.95997608 20016

Epoch: 2025-08-30T02:30Z

TLE epoch observation values (Epoch: 2025-08-30T02:30:08.551Z)

Latitude

10.32219°

Longitude

169.72216°

Altitude

901.38 km

Speed

7.406 km/s

True Right ascension

12h 23m 12s

True Declination

10° 15' 47"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

15:57:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

914.482 km

Perigee altitude

896.999 km

Semi-major axis

7,283.877 km

Eccentricity

0.0012

Inclination

69.9063°

RAAN

182.0009°

Arg. of periapsis

36.9632°

True anomaly

334.08024°

Mean anomaly

334.1403°

Eccentric anomaly

334.11028°

Mean motion

3.4914 °/min

Orbital period

103.11 mins

BSTAR

0.000087987

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Other satellites on launch #1 in the year 1964 (1964-01-11 UTC)

THOR AGENA D R/B, 727

GGSE 1 (GGRS), 728

SECOR 1B, 729

GREB, 731

SOLRAD 7A Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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.
11 mins	2025-08-31 06:30:37.849Z	345.152° N	2025-08-31 06:36:37.849Z	75.258° E	37.848°	2025-08-31 06:41:37.849Z	135.823° SSE
7 mins	2025-08-31 08:18:37.849Z	294.138° NW	2025-08-31 08:21:37.849Z	255.082° W	21.514°	2025-08-31 08:25:37.849Z	210.19° SW
6 mins	2025-08-31 19:51:37.849Z	128.379° SE	2025-08-31 19:54:37.849Z	94.113° ESE	15.98°	2025-08-31 19:57:37.849Z	62.995° ENE
10 mins	2025-08-31 21:34:37.849Z	215.629° SW	2025-08-31 21:39:37.849Z	327.683° NNW	42.247°	2025-08-31 21:44:37.849Z	19.321° NNE