INMARSAT 4A-F4 - Norad ID: 39215
| Spacetrack Directory Name | ALPHASAT (I-4A F4) |
| Alternative name | INMARSAT 4A-F4 |
| Follow ALPHASAT (I-4A F4) | ALPHASAT (I-4A F4) Tracker |
| Pass predictions ALPHASAT (I-4A F4) | Pass predictions ALPHASAT (I-4A F4) |
| Orbit launches |
|
| Days in orbit | 4666 |
| Country/organisation of origin | International Mobile Satellite Organization (INMARSAT) (IM) |
| Starting point | FRGUI (Guiana Space Centre, French Guiana) |
| Categories | |
| Perigee | 35777 km |
| Apogee | 35798 km |
| Orbit slope (inclination) | 2.99° |
| Laps per day | 1 |
| Orbit | GEO |
| Height ALPHASAT (I-4A F4) | 35786.05 km |
ALPHASAT (I-4A F4), 39215 is a UK payload satellite in GEO that was launched on Thu, 25 Jul 2013 UTC via an ARIANE 5ECA launch vehicle from the French Guiana (FRGUI). 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.
satellite ALPHASAT (I-4A F4) Date of exalting 25.07.2013y. Average height of ISS ALPHASAT (I-4A F4) hundred 35786.05 km. Average velocity ALPHASAT (I-4A F4) is 11068.98 km/h. Inclination ALPHASAT (I-4A F4) satellite 2.96°.
In the table below we show the frequencies ALPHASAT (I-4A F4).
| Downlink | Mode |
|---|---|
| 1552.650 MHz | FSK |