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IRIDIUM 105, 41921

Orbit data source: Space-Track

IRIDIUM 105, 41921 is a payload satellite owned by Iridium (US) in LEO that was launched on Sat, 14 Jan 2017 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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/41921?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/41921?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

41921, 2017-003E

Orbit

LEO

Country

Related business

Iridium Communications Inc. (US)

Manufacturer

OATK SSG Gilbert

Mission

Operational Commercial Communications

Bus & Motor

ELITEBUS, Unknown motor

Mass

860 kg wet, 700 kg dry

Launch date (UTC)

2017-01-14 (9 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Trap Box + 2 Pan, 4.8 m

Radar Cross Section

10.154 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 IRIDIUM 105
1 41921U 17003E   26087.99626184  .00000028  00000-0  28053-5 0  9999
2 41921  86.3910  90.4092 0002176  89.8905 270.2540 14.34397852483646

Epoch: 2026-03-28T23:54Z

TLE epoch observation values (Epoch: 2026-03-28T23:54:37.022Z)

Latitude

-0.00008°

Longitude

-94.65356°

Altitude

780.113 km

Speed

7.464 km/s

True Right ascension

06h 01m 38s

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

14:35:38

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

775.589 km

Perigee altitude

772.476 km

Semi-major axis

7,152.17 km

Eccentricity

0.00022

Inclination

86.391°

RAAN

90.4092°

Arg. of periapsis

89.8905°

True anomaly

270.22907°

Mean anomaly

270.254°

Eccentric anomaly

270.24153°

Mean motion

3.58828 °/min

Orbital period

100.33 mins

BSTAR

0.0000028053

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Other satellites on launch #3 in the year 2017 (2017-01-14 UTC)

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IRIDIUM 105 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.
8 mins	2026-03-30 11:39:01.979Z	15.651° NNE	2026-03-30 11:43:01.979Z	82.955° E	34.376°	2026-03-30 11:47:01.979Z	150.284° SSE
6 mins	2026-03-30 13:21:01.979Z	312.477° NW	2026-03-30 13:23:01.979Z	284.824° WNW	18.999°	2026-03-30 13:27:01.979Z	233.701° WSW
9 mins	2026-03-31 00:35:01.979Z	182.727° SSW	2026-03-31 00:39:01.979Z	322.548° NNW	44.894°	2026-03-31 00:44:01.979Z	1.813° NNE

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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 IRIDIUM 105, 41921 on other resources

View IRIDIUM 105, 41921 on NASA - NSSDCA Website

View IRIDIUM 105, 41921 on Heavens-Above

View IRIDIUM 105, 41921 on Keep Track

View IRIDIUM 105, 41921 on Celestrak

View IRIDIUM 105, 41921 on Gunter's Space Page

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

IRIDIUM 105, 41921

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-03-28T23:54:37.022Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #3 in the year 2017 (2017-01-14 UTC)

IRIDIUM 105 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 105, 41921 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago