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IRIDIUM 139, 42963

Orbit data source: Space-Track

IRIDIUM 139, 42963 is a payload satellite owned by Iridium (US) in LEO that was launched on Mon, 09 Oct 2017 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets 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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IRIDIUM 139 details

Identifier	42963, 2017-061J
Orbit	LEO
Last TLE update	12 hours ago
Origin	Iridium (US)
Manufacturer	OATK SSG Gilbert
Mission	Operational Commercial Communications
Bus & Motor	ELITEBUS, Unknown motor
Mass	860 kg wet, 700 kg dry
Launch date (UTC)	2017-10-09 (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 12 hours ago

0 IRIDIUM 139
1 42963U 17061J   24361.41438173 -.00000110  00000-0 -46518-4 0  9998
2 42963  86.3973 249.9917 0001600  83.4151 276.7226 14.34217035377764

Epoch: 2024-12-26T09:56Z

Definitive object data (Epoch: 2024-12-26T09:56:42.581Z)

Latitude	-0.00011°
Longitude	5.42015°
Altitude	780.587 km
Speed	7.464 km/s
True Right ascension	16h 39m 58s
True Declination	0° 00' 00"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	13.88099°
Longitude	6.10172°
Altitude	779.552 km
Speed	7.465 km/s
Apparent Right ascension	13h 54m 26s
Apparent Declination	-19° 28' 47"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	21:06:52
Azimuth	265.677° W
Elevation	-26.022°
Doppler factor	1

Orbital elements

Apogee altitude	775.778 km
Perigee altitude	773.49 km
Semi-major axis	7,152.771 km
Eccentricity	0.00016
Inclination	86.3973°
RAAN	249.9917°
Arg. of periapsis	83.4151°
True anomaly	276.70439°
Mean anomaly	276.7226°
Eccentric anomaly	276.7135°
Mean motion	3.58783 °/min
BSTAR	-0.000046518
Orbital period	100.34 mins

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Other satellites on launch #61 in the year 2017 (2017-10-09 UTC)

IRIDIUM 139 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.
10 mins	2024-12-27 04:55:50.040Z	358.107° N	2024-12-27 05:00:50.040Z	66.661° ENE	44.965°	2024-12-27 05:05:50.040Z	177.953° S
6 mins	2024-12-27 16:13:50.040Z	117.31° SE	2024-12-27 16:16:50.040Z	75.107° E	19.159°	2024-12-27 16:19:50.040Z	37.476° NE
7 mins	2024-12-27 17:53:50.040Z	216.941° SW	2024-12-27 17:56:50.040Z	276.71° WNW	34.182°	2024-12-27 18:00:50.040Z	344.069° N

Authenticating...

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Check out IRIDIUM 139, 42963 on other resources

View IRIDIUM 139, 42963 on NASA - NSSDCA Website

View IRIDIUM 139, 42963 on Heavens-Above

View IRIDIUM 139, 42963 on Keep Track

View IRIDIUM 139, 42963 on Celestrak

View IRIDIUM 139, 42963 on Gunter's Space Page

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