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COURIER 1B, 58

Orbit data source: Space-Track

COURIER 1B, 58 is a payload satellite owned by SCEL (US) in LEO that was launched on Tue, 04 Oct 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/58?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/58?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

58, 1960-013A

Orbit

LEO

Last TLE update

7 hours ago

Origin

United States Army (US)

Manufacturer

SCEL/PHLP

Mission

Defense Communications

Bus & Motor

COURIER, Unknown motor

Mass

225 kg wet, 225 kg dry

Launch date (UTC)

1960-10-04 (65 years ago)

Launch vehicle

THOR ABLESTAR

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere, 0.7 m

Radar Cross Section

1.327 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 7 hours ago

0 COURIER 1B
1    58U 60013A   25200.20485581  .00000081  00000-0 -60278-5 0  9993
2    58  28.3297  29.3206 0164915 330.5194  28.6136 13.46412892189698

Epoch: 2025-07-19T04:54Z

TLE epoch observation values (Epoch: 2025-07-19T04:54:59.541Z)

Latitude

-0.00004°

Longitude

18.32712°

Altitude

976.319 km

Speed

7.418 km/s

True Right ascension

01h 57m 16s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

13.50045°

Longitude

43.09004°

Altitude

1,013.515 km

Speed

7.382 km/s

Apparent Right ascension

06h 25m 45s

Apparent Declination

-27° 13' 30"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

01:00:16

Azimuth

116.402° SE

Elevation

-11.026°

Doppler factor

Orbital elements

Apogee altitude

1,212.552 km

Perigee altitude

966.25 km

Semi-major axis

7,467.538 km

Eccentricity

0.01649

Inclination

28.3297°

RAAN

29.3206°

Arg. of periapsis

330.5194°

True anomaly

29.53525°

Mean anomaly

28.6136°

Eccentric anomaly

29.07274°

Mean motion

3.36339 °/min

Orbital period

107.03 mins

BSTAR

-0.0000060278

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Other satellites on launch #13 in the year 1960 (1960-10-04 UTC)

THOR ABLESTAR R/B, 59

COURIER 1B 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	2025-07-19 15:48:33.943Z	184.757° SSW	2025-07-19 15:51:33.943Z	156.423° SSE	15.73°	2025-07-19 15:55:33.943Z	121.309° SE
10 mins	2025-07-19 17:40:33.943Z	217.33° SW	2025-07-19 17:44:33.943Z	172.646° S	26.321°	2025-07-19 17:50:33.943Z	114.689° SE
11 mins	2025-07-19 19:33:33.943Z	236.279° WSW	2025-07-19 19:38:33.943Z	179.648° S	28.09°	2025-07-19 19:44:33.943Z	126.202° SE
9 mins	2025-07-19 21:27:33.943Z	237.122° WSW	2025-07-19 21:31:33.943Z	199.931° SSW	20.533°	2025-07-19 21:36:33.943Z	156.229° SSE

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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Authenticating...

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Check out COURIER 1B, 58 on other resources

View COURIER 1B, 58 on NASA - NSSDCA Website

View COURIER 1B, 58 on Heavens-Above

View COURIER 1B, 58 on Keep Track

View COURIER 1B, 58 on Celestrak

View COURIER 1B, 58 on Gunter's Space Page

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