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IRIDIUM 166, 43570

Orbit data source: Space-Track

IRIDIUM 166, 43570 is a payload satellite owned by Iridium (US) in LEO that was launched on Wed, 25 Jul 2018 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/43570?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/43570?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43570, 2018-061B

Orbit

LEO

Last TLE update

1 day ago

Origin

Iridium Communications Inc. (US)

Manufacturer

NGIS SSG Gilbert

Mission

Operational Commercial Communications

Bus & Motor

ELITEBUS, Unknown motor

Mass

860 kg wet, 700 kg dry

Launch date (UTC)

2018-07-25 (7 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 1 day ago

0 IRIDIUM 166
1 43570U 18061B   25174.61507496  .00000090  00000-0  24956-4 0  9991
2 43570  86.3984 206.5513 0002203  85.0761 275.0686 14.34218024362009

Epoch: 2025-06-23T14:45Z

TLE epoch observation values (Epoch: 2025-06-23T14:45:42.476Z)

Latitude

-0.00006°

Longitude

73.1015°

Altitude

780.578 km

Speed

7.464 km/s

True Right ascension

13h 46m 12s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-72.62757°

Longitude

61.12608°

Altitude

805.95 km

Speed

7.449 km/s

Apparent Right ascension

14h 12m 05s

Apparent Declination

-57° 42' 31"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

02:44:01

Azimuth

166.49° S

Elevation

-71.477°

Doppler factor

Orbital elements

Apogee altitude

776.206 km

Perigee altitude

773.055 km

Semi-major axis

7,152.768 km

Eccentricity

0.00022

Inclination

86.3984°

RAAN

206.5513°

Arg. of periapsis

85.0761°

True anomaly

Unknown

Mean anomaly

275.0686°

Eccentric anomaly

Unknown

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.000024956

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Other satellites on launch #61 in the year 2018 (2018-07-25 UTC)

IRIDIUM 166 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.
9 mins	2025-06-25 02:02:20.280Z	152.134° SSE	2025-06-25 02:06:20.280Z	96.014° ESE	32.684°	2025-06-25 02:11:20.280Z	18.34° NNE
6 mins	2025-06-25 03:45:20.280Z	249.539° W	2025-06-25 03:47:20.280Z	279.109° WNW	20.267°	2025-06-25 03:51:20.280Z	331.21° NNW
8 mins	2025-06-25 14:14:20.280Z	356.086° N	2025-06-25 14:17:20.280Z	343.215° N	43.959°	2025-06-25 14:22:20.280Z	180.971° SSW

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Check out IRIDIUM 166, 43570 on other resources

View IRIDIUM 166, 43570 on NASA - NSSDCA Website

View IRIDIUM 166, 43570 on Heavens-Above

View IRIDIUM 166, 43570 on Keep Track

View IRIDIUM 166, 43570 on Celestrak

View IRIDIUM 166, 43570 on Gunter's Space Page

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