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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

Last TLE update

15 hours ago

Origin

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 (8 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, 9.4 m

Radar Cross Section

14.423 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 15 hours ago

0 IRIDIUM 105
1 41921U 17003E   25182.58089712  .00000171  00000-0  53867-4 0  9998
2 41921  86.3984 203.3444 0002504  87.9888 272.1594 14.34219945444886

Epoch: 2025-07-01T13:56Z

TLE epoch observation values (Epoch: 2025-07-01T13:56:29.511Z)

Latitude

-0.00006°

Longitude

74.34713°

Altitude

780.644 km

Speed

7.464 km/s

True Right ascension

13h 33m 22s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

52.79284°

Longitude

78.8106°

Altitude

784.849 km

Speed

7.467 km/s

Apparent Right ascension

08h 51m 57s

Apparent Declination

23° 39' 20"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

16:56:56

Azimuth

308.035° NW

Elevation

-6.139°

Doppler factor

Orbital elements

Apogee altitude

776.415 km

Perigee altitude

772.833 km

Semi-major axis

7,152.761 km

Eccentricity

0.00025

Inclination

86.3984°

RAAN

203.3444°

Arg. of periapsis

87.9888°

True anomaly

Unknown

Mean anomaly

272.1594°

Eccentric anomaly

Unknown

Mean motion

3.58784 °/min

Orbital period

100.34 mins

BSTAR

0.000053867

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

IRIDIUM 105 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.
5 mins	2025-07-02 12:18:24.027Z	42.051° NE	2025-07-02 12:21:24.027Z	81.418° E	16.562°	2025-07-02 12:23:24.027Z	107.175° ESE
8 mins	2025-07-02 13:58:24.027Z	341.693° N	2025-07-02 14:02:24.027Z	257.282° W	37.465°	2025-07-02 14:06:24.027Z	199.895° SSW
7 mins	2025-07-03 01:14:24.027Z	139.893° SSE	2025-07-03 01:17:24.027Z	87.208° E	30.562°	2025-07-03 01:21:24.027Z	24.162° NE
7 mins	2025-07-03 02:55:24.027Z	239.097° WSW	2025-07-03 02:58:24.027Z	284.095° WNW	22.187°	2025-07-03 03:02:24.027Z	335.117° NNW

Authenticating...

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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.