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SOLRAD 1 (GREB), 46

Orbit data source: Space-Track

SOLRAD 1 (GREB), 46 is a payload satellite owned by NRL (US) in LEO that was launched on Wed, 22 Jun 1960 UTC via a THOR ABLESTAR launch vehicle from the Air Force Eastern Test Range (AFETR). 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 embed code

<iframe src="https://www.satcat.com/sats-embedded/46?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/46?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

46, 1960-007B

Orbit

LEO

Country

Related business

United States Navy (US)

Manufacturer

NRL

Mission

Defense Sigint

Bus & Motor

NRL 20", Unknown motor

Mass

19 kg wet, 19 kg dry

Launch date (UTC)

1960-06-22 (65 years ago)

Launch vehicle

THOR ABLESTAR

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere, 0.1 m

Radar Cross Section

0.204 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 18 hours ago

TLE from 18 hours ago

0 SOLRAD 1 (GREB)
1 00046U 60007B   25242.54276350  .00001416  00000-0  28193-3 0  9998
2 00046  66.6888 300.1958 0193321 153.8174 207.2872 14.54161308414738

Epoch: 2025-08-30T13:01Z

TLE epoch observation values (Epoch: 2025-08-30T13:01:34.766Z)

Latitude

0.00001°

Longitude

125.82539°

Altitude

836.595 km

Speed

7.371 km/s

True Right ascension

20h 00m 46s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

22:42:32

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

847.484 km

Perigee altitude

573.409 km

Semi-major axis

7,088.584 km

Eccentricity

0.01933

Inclination

66.6888°

RAAN

300.1958°

Arg. of periapsis

153.8174°

True anomaly

206.29302°

Mean anomaly

207.2872°

Eccentric anomaly

206.78799°

Mean motion

3.63667 °/min

Orbital period

98.99 mins

BSTAR

0.00028193

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Other satellites on launch #7 in the year 1960 (1960-06-22 UTC)

TRANSIT 2A, 45

THOR ABLESTAR R/B, 47

THOR ABLESTAR DEB, 840 (Decayed)

THOR ABLESTAR DEB, 841 (Decayed)

SOLRAD 1 (GREB) 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.
4 mins	2025-08-31 07:25:09.372Z	294.486° NW	2025-08-31 07:27:09.372Z	318.979° NNW	12.869°	2025-08-31 07:29:09.372Z	343.426° N
6 mins	2025-08-31 14:21:09.372Z	346.774° N	2025-08-31 14:24:09.372Z	76.57° E	38.205°	2025-08-31 14:27:09.372Z	132.78° SE
8 mins	2025-09-01 04:46:09.372Z	180.002° SSW	2025-09-01 04:50:09.372Z	114.522° SE	35.056°	2025-09-01 04:54:09.372Z	45.919° ENE
6 mins	2025-09-01 06:29:09.372Z	264.92° W	2025-09-01 06:32:09.372Z	311.263° NW	23.326°	2025-09-01 06:35:09.372Z	356.938° N