IRIDIUM 121, 42812
Orbit data source: Space-Track
IRIDIUM 121, 42812 is a payload satellite owned by Iridium (US) in LEO that was launched on Sun, 25 Jun 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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
42812 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Last TLE update
13 hours ago
Origin
Manufacturer
OATK SSG Gilbert
Mission
Operational Commercial Communications
Bus & Motor
ELITEBUS, Unknown motor
Mass
860 kg wet, 700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
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 13 hours ago
0 IRIDIUM 121
1 42812U 17039K 25181.88318246 .00000068 00000-0 17091-4 0 9990
2 42812 86.3990 140.5298 0002185 85.9204 274.2241 14.34217814419479Epoch: 2025-06-30T21:11Z
TLE epoch observation values (Epoch: 2025-06-30T21:11:46.964Z)
Latitude
-0.00008°
Longitude
-96.60249°
Altitude
780.603 km
Speed
7.464 km/s
True Right ascension
09h 22m 07s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
-75.3939°
Longitude
97.07202°
Altitude
806.645 km
Speed
7.448 km/s
Apparent Right ascension
09h 26m 04s
Apparent Declination
-74° 12' 56"
Sunlit
Visualization observer readout
Local Sidereal Time
21:44:45
Azimuth
177.751° S
Elevation
-55.63°
Doppler factor
1
Loading maneuver chart data...
Loading SW <> Apogee altitude chart data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #39 in the year 2017 (2017-06-25 UTC)
IRIDIUM 121 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-07-01 20:46:22.322Z | 126.095° SE | 2025-07-01 20:49:22.322Z | 86.208° E | 20.931° | 2025-07-01 20:53:22.322Z | 33.226° NE |
| 8 mins | 2025-07-01 22:26:22.322Z | 215.538° SW | 2025-07-01 22:30:22.322Z | 285.981° WNW | 31.769° | 2025-07-01 22:34:22.322Z | 343.727° N |
| 8 mins | 2025-07-02 08:57:22.322Z | 16.504° NNE | 2025-07-02 09:00:22.322Z | 78.062° E | 38.099° | 2025-07-02 09:05:22.322Z | 160.163° S |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
|---|
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 |
|---|