XM-8, 48838
Orbit data source: Space-Track
XM-8, 48838 is a payload satellite owned by Sirius XM (US) in GEO that was launched on Sun, 06 Jun 2021 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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
48838 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
Maxar Space Sol
Mission
Operational Commercial Communications
Bus & Motor
LS-1300, R-4D
Mass
~7,000 kg wet, ~2,884 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 15.0 m
Radar Cross Section
81.349 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 XM-8
1 48838U 21049A 25260.85142405 -.00000226 00000-0 00000-0 0 9992
2 48838 0.0189 74.2291 0004287 324.2679 179.8721 1.00270902 15866Epoch: 2025-09-17T20:26Z
TLE epoch observation values (Epoch: 2025-09-17T20:26:03.037Z)
Latitude
0.02131°
Longitude
-85.16326°
Altitude
35,804.391 km
Speed
3.073 km/s
True Right ascension
14h 33m 29s
True Declination
0° 01' 17"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
08:20:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,805.989 km
Perigee altitude
35,769.836 km
Semi-major axis
42,166.05 km
Eccentricity
0.00043
Inclination
0.0189°
RAAN
74.2291°
Arg. of periapsis
324.2679°
True anomaly
179.87221°
Mean anomaly
179.8721°
Eccentric anomaly
179.87215°
Mean motion
0.25067 °/min
Orbital period
1,436.16 mins
BSTAR
0
Loading maneuver chart data...
Computing Atmospheric mass density...
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 #49 in the year 2021 (2021-06-06 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.XM-8 Visibility forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2025-09-18 15:29:41.579Z | 150.423° SSE | 2025-09-18 23:51:41.579Z | 150.539° SSE | 32.442° | 2025-09-19 15:29:41.579Z | 150.431° SSE |
Loading historical data...
48838 neighbors
Authenticating...
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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 |
|---|