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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

Country

Related business

United States Army (US)

Manufacturer

SCEL/PHLP

Mission

Spacecraft

Bus & Motor

COURIER, Unknown motor

Mass

225 kg wet, 225 kg dry

Launch date (UTC)

1960-10-04 (66 years ago)

Launch vehicle

THOR ABLESTAR

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 11 hours ago

TLE from 11 hours ago

0 COURIER 1B
1 00058U 60013A   26106.64776228  .00000095  00000-0  18563-4 0  9991
2 00058  28.3264  91.9903 0164917  58.2485 303.4017 13.46428308225760

Epoch: 2026-04-16T15:32Z

TLE epoch observation values (Epoch: 2026-04-16T15:32:46.660Z)

Latitude

-0.00001°

Longitude

14.00356°

Altitude

1,017.502 km

Speed

7.378 km/s

True Right ascension

06h 07m 57s

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

09:38:55

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,212.496 km

Perigee altitude

966.193 km

Semi-major axis

7,467.481 km

Eccentricity

0.01649

Inclination

28.3264°

RAAN

91.9903°

Arg. of periapsis

58.2485°

True anomaly

301.80613°

Mean anomaly

303.4017°

Eccentric anomaly

302.60571°

Mean motion

3.36343 °/min

Orbital period

107.03 mins

BSTAR

0.000018563

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

THOR ABLESTAR R/B, 59

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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COURIER 1B Visibility forecast

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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.
10 mins	2026-04-17 04:18:21.355Z	225.938° WSW	2026-04-17 04:23:21.355Z	169.702° S	24.767°	2026-04-17 04:28:21.355Z	118.055° SE
9 mins	2026-04-17 06:12:21.355Z	234.754° WSW	2026-04-17 06:16:21.355Z	187.524° SSW	24.791°	2026-04-17 06:21:21.355Z	134.479° SE
6 mins	2026-04-17 08:07:21.355Z	222.6° SW	2026-04-17 08:09:21.355Z	202.308° SSW	15.99°	2026-04-17 08:13:21.355Z	165.361° S

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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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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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

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

COURIER 1B, 58

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-04-16T15:32:46.660Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

COURIER 1B Visibility forecast

Co-orbital & Co-planar RSOs

Check out COURIER 1B, 58 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago