Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

43570, 2018-061B

Orbit

LEO

Last TLE update

10 hours 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 10 hours ago

0 IRIDIUM 166
1 43570U 18061B   25191.56882450 -.00000012  00000-0 -11375-4 0  9997
2 43570  86.3986 199.4711 0001928  88.9740 271.1676 14.34217488364431

Epoch: 2025-07-10T13:39Z

TLE epoch observation values (Epoch: 2025-07-10T13:39:06.436Z)

Latitude

-0.00011°

Longitude

65.96105°

Altitude

780.691 km

Speed

7.464 km/s

True Right ascension

13h 17m 53s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-38.24532°

Longitude

62.96085°

Altitude

793.127 km

Speed

7.455 km/s

Apparent Right ascension

16h 58m 17s

Apparent Declination

-77° 07' 54"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

11:47:19

Azimuth

164.373° S

Elevation

-36.105°

Doppler factor

Orbital elements

Apogee altitude

776.012 km

Perigee altitude

773.253 km

Semi-major axis

7,152.769 km

Eccentricity

0.00019

Inclination

86.3986°

RAAN

199.4711°

Arg. of periapsis

88.974°

True anomaly

Unknown

Mean anomaly

271.1676°

Eccentric anomaly

Unknown

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

-0.000011375

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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.
5 mins	2025-07-10 23:51:14.943Z	105.734° ESE	2025-07-10 23:53:14.943Z	80.697° E	15.022°	2025-07-10 23:56:14.943Z	44.498° NE
8 mins	2025-07-11 01:30:14.943Z	202.838° SW	2025-07-11 01:33:14.943Z	258.912° W	39.566°	2025-07-11 01:38:14.943Z	352.76° N
7 mins	2025-07-11 12:01:14.943Z	30.063° NE	2025-07-11 12:04:14.943Z	87.963° E	29.955°	2025-07-11 12:08:14.943Z	144.876° SSE
6 mins	2025-07-11 13:42:14.943Z	313.517° NW	2025-07-11 13:44:14.943Z	282.306° WNW	22.52°	2025-07-11 13:48:14.943Z	227.488° WSW

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in ascending order

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.