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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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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: 3 hours ago

TLE from 3 hours ago

0 COURIER 1B
1    58U 60013A   26127.85226639  .00000111  00000-0  33866-4 0  9995
2    58  28.3303 344.3978 0164922 233.8121 124.7068 13.46429111228626

Epoch: 2026-05-07T20:27Z

TLE epoch observation values (Epoch: 2026-05-07T20:27:15.816Z)

Latitude

-0.00002°

Longitude

171.8894°

Altitude

1,155.227 km

Speed

7.243 km/s

True Right ascension

22h 57m 35s

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

07:52:12

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,212.496 km

Perigee altitude

966.186 km

Semi-major axis

7,467.478 km

Eccentricity

0.01649

Inclination

28.3303°

RAAN

344.3978°

Arg. of periapsis

233.8121°

True anomaly

126.2422°

Mean anomaly

124.7068°

Eccentric anomaly

125.47631°

Mean motion

3.36343 °/min

Orbital period

107.03 mins

BSTAR

0.000033866

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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.
4 mins	2026-05-08 00:39:21.436Z	224.064° SW	2026-05-08 00:41:21.436Z	207.575° SW	11.575°	2026-05-08 00:43:21.436Z	190.962° SSW
9 mins	2026-05-08 18:03:21.436Z	199.726° SSW	2026-05-08 18:07:21.436Z	161.138° S	22.22°	2026-05-08 18:12:21.436Z	116.659° SE
12 mins	2026-05-08 19:55:21.436Z	231.4° WSW	2026-05-08 20:00:21.436Z	182.896° SSW	29.102°	2026-05-08 20:07:21.436Z	115.771° SE
11 mins	2026-05-08 21:49:21.436Z	241.293° WSW	2026-05-08 21:54:21.436Z	191.22° SSW	26.567°	2026-05-08 22:00:21.436Z	135.194° SSE
5 mins	2026-05-08 23:44:21.436Z	232.931° WSW	2026-05-08 23:47:21.436Z	207.239° SW	15.441°	2026-05-08 23:49:21.436Z	188.734° SSW

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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: 3 hours ago

TLE from 3 hours ago

TLE epoch observation values (Epoch: 2026-05-07T20:27:15.816Z)

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: 3 hours ago