HG-03, 61503
Orbit data source: Space-Track
HG-03, 61503 is a payload satellite owned by CNSA (CN) in GEO that was launched on Thu, 10 Oct 2024 UTC via a CHANG ZHENG 3B launch vehicle from the Xichang Space Center, China (XSC). 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
61503 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Civil Communications
Bus & Motor
DFH-4?, FY-25?
Mass
~4,000 kg wet, ~2,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 10.0 m
Radar Cross Section
17.671 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 HG-03
1 61503U 24181A 25309.21873975 -.00000229 00000-0 00000-0 0 9996
2 61503 0.0074 300.3657 0000469 54.3421 51.6382 1.00271590 4576Epoch: 2025-11-05T05:14Z
TLE epoch observation values (Epoch: 2025-11-05T05:14:59.114Z)
Latitude
0.02198°
Longitude
-77.12938°
Altitude
35,784.9 km
Speed
3.075 km/s
True Right ascension
03h 05m 14s
True Declination
0° 01' 19"
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
08:48:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,789.698 km
Perigee altitude
35,785.742 km
Semi-major axis
42,165.857 km
Eccentricity
0.00005
Inclination
0.0074°
RAAN
300.3657°
Arg. of periapsis
54.3421°
True anomaly
51.64241°
Mean anomaly
51.6382°
Eccentric anomaly
51.64031°
Mean motion
0.25067 °/min
Orbital period
1,436.15 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 #181 in the year 2024 (2024-10-10 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.HG-03 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 | 2025-11-05 12:48:58.772Z | 140.372° SSE | 2025-11-06 03:52:58.772Z | 140.337° SSE | 30.205° | 2025-11-06 12:48:58.772Z | 140.37° SSE |
Loading historical data...
61503 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 |
|---|