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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 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

Last TLE update

8 hours ago

Origin

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, 0.3 m

Radar Cross Section

0.204 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 8 hours ago

0 SOLRAD 1 (GREB)
1    46U 60007B   25115.49655665  .00001830  00000-0  35052-3 0  9993
2    46  66.6881 286.0887 0204400 247.9283 110.0011 14.53871793396247

Epoch: 2025-04-25T11:55Z

Definitive object data (Epoch: 2025-04-25T11:55:02.494Z)

Latitude

-0.00004°

Longitude

-106.42451°

Altitude

767.33 km

Speed

7.443 km/s

True Right ascension

19h 04m 21s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-58.87628°

Longitude

117.91184°

Altitude

589.984 km

Speed

7.642 km/s

Apparent Right ascension

12h 54m 43s

Apparent Declination

-55° 35' 39"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

02:56:02

Azimuth

138.265° SSE

Elevation

-64.62°

Doppler factor

Orbital elements

Apogee altitude

856.298 km

Perigee altitude

566.478 km

Semi-major axis

7,089.525 km

Eccentricity

0.02044

Inclination

66.6881°

RAAN

286.0887°

Arg. of periapsis

247.9283°

True anomaly

112.18248°

Mean anomaly

110.0011°

Eccentric anomaly

111.09375°

Mean motion

3.63595 °/min

BSTAR

0.00035052

Orbital period

99.01 mins

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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°

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.
7 mins	2025-04-25 20:42:13.307Z	2.255° NNE	2025-04-25 20:45:13.307Z	36.541° NE	17.404°	2025-04-25 20:49:13.307Z	85.99° E
8 mins	2025-04-25 22:24:13.307Z	326.271° NNW	2025-04-25 22:28:13.307Z	232.405° WSW	44.107°	2025-04-25 22:32:13.307Z	159.683° S
9 mins	2025-04-26 12:49:13.307Z	203.185° SW	2025-04-26 12:53:13.307Z	136.007° SSE	44.719°	2025-04-26 12:58:13.307Z	31.202° NE
6 mins	2025-04-26 14:33:13.307Z	284.472° WNW	2025-04-26 14:36:13.307Z	321.959° NNW	17.976°	2025-04-26 14:39:13.307Z	355.883° N

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Check out SOLRAD 1 (GREB), 46 on other resources

View SOLRAD 1 (GREB), 46 on NASA - NSSDCA Website

View SOLRAD 1 (GREB), 46 on Heavens-Above

View SOLRAD 1 (GREB), 46 on Keep Track

View SOLRAD 1 (GREB), 46 on Celestrak

View SOLRAD 1 (GREB), 46 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.