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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: 8 hours ago

TLE from 8 hours ago

0 IRIDIUM 105
1 41921U 17003E   26138.50398774  .00000187  00000-0  59701-4 0  9993
2 41921  86.3967  69.2775 0002363  91.7334 268.4132 14.34215201490883

Epoch: 2026-05-18T12:05Z

TLE epoch observation values (Epoch: 2026-05-18T12:05:44.540Z)

Latitude

-0.00009°

Longitude

11.65061°

Altitude

780.774 km

Speed

7.463 km/s

True Right ascension

04h 37m 06s

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

04:40:31

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.33 km

Perigee altitude

772.95 km

Semi-major axis

7,152.777 km

Eccentricity

0.00024

Inclination

86.3967°

RAAN

69.2775°

Arg. of periapsis

91.7334°

True anomaly

268.38613°

Mean anomaly

268.4132°

Eccentric anomaly

268.39967°

Mean motion

3.58782 °/min

Orbital period

100.34 mins

BSTAR

0.000059701

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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.
9 mins	2026-05-18 20:34:56.572Z	210.123° SW	2026-05-18 20:38:56.572Z	265.26° W	32.315°	2026-05-18 20:43:56.572Z	345.863° N
8 mins	2026-05-19 07:05:56.572Z	13.215° NNE	2026-05-19 07:09:56.572Z	89.701° E	37.377°	2026-05-19 07:13:56.572Z	156.2° SSE
5 mins	2026-05-19 08:47:56.572Z	308.765° NW	2026-05-19 08:49:56.572Z	282.134° WNW	16.85°	2026-05-19 08:52:56.572Z	244.046° WSW

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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: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-05-18T12:05:44.540Z)

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: 8 hours ago