Showing default

EXPLORER 7, 22

Orbit data source: Space-Track

EXPLORER 7, 22 is a payload satellite owned by GSFC (US) in LEO that was launched on Tue, 13 Oct 1959 UTC via a JUNO II 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/22?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/22?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

22, 1959-009A

Orbit

LEO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

ABMA

Mission

Civil Science

Bus & Motor

S-1, Unknown motor

Mass

41 kg wet, 41 kg dry

Launch date (UTC)

1959-10-13 (66 years ago)

Launch vehicle

JUNO II

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cone + Cone, 0.4 m

Radar Cross Section

0.454 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 EXPLORER 7
1 00022U 59009A   25243.25855765  .00016677  00000-0  68575-3 0  9997
2 00022  50.2757  85.2053 0088129  41.7949 318.9696 15.20722318756109

Epoch: 2025-08-31T06:12Z

TLE epoch observation values (Epoch: 2025-08-31T06:12:19.38Z)

Latitude

-0.00001°

Longitude

12.44346°

Altitude

458.728 km

Speed

7.664 km/s

True Right ascension

05h 40m 49s

True Declination

0° 00' 00"

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

07:12:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

565.041 km

Perigee altitude

443.731 km

Semi-major axis

6,882.523 km

Eccentricity

0.00881

Inclination

50.2757°

RAAN

85.2053°

Arg. of periapsis

41.7949°

True anomaly

318.30111°

Mean anomaly

318.9696°

Eccentric anomaly

318.63591°

Mean motion

3.80121 °/min

Orbital period

94.71 mins

BSTAR

0.00068575

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #9 in the year 1959 (1959-10-13 UTC)

JUNO II R/B, 23 (Decayed)

EXPLORER 7 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.
5 mins	2025-08-31 15:50:11.937Z	188.034° SSW	2025-08-31 15:52:11.937Z	145.387° SSE	23.879°	2025-08-31 15:55:11.937Z	79.277° E
5 mins	2025-08-31 17:29:11.937Z	272.537° WNW	2025-08-31 17:31:11.937Z	336.146° NNW	32.897°	2025-08-31 17:34:11.937Z	42.779° NE
6 mins	2025-08-31 22:27:11.937Z	314.633° NW	2025-08-31 22:29:11.937Z	353.432° N	39.446°	2025-08-31 22:33:11.937Z	112.902° SE