JCSAT 12, 35755
Orbit data source: Space-Track
JCSAT 12, 35755 is a payload satellite owned by Sky Perfect JSAT (JP) in GEO that was launched on Fri, 21 Aug 2009 UTC via an ARIANE 5ECA launch vehicle from the French Guiana (FRGUI). 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.
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35755 intel report (Beta)
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Identifier
Orbit
Country
JP / JPNRelated business
Manufacturer
LMCSS
Mission
Operational Commercial Communications
Bus & Motor
A2100AXS, LEROS 1C
Mass
4,050 kg wet, ~1,850 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 13.4 m
Radar Cross Section
29.105 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 JCSAT 12
1 35755U 09044A 26291.55045013 -.00000325 00000-0 00000-0 0 9996
2 35755 0.0144 273.6036 0002003 326.4548 117.2307 1.00270688 62843Epoch: 2026-10-18T13:12Z
TLE epoch observation values (Epoch: 2026-10-18T13:12:38.891Z)
Latitude
0.02503°
Longitude
132.07819°
Altitude
35,790.282 km
Speed
3.074 km/s
True Right ascension
23h 49m 07s
True Declination
0° 01' 30"
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
15:23:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,796.419 km
Perigee altitude
35,779.527 km
Semi-major axis
42,166.11 km
Eccentricity
0.0002
Inclination
0.0144°
RAAN
273.6036°
Arg. of periapsis
326.4548°
True anomaly
117.25111°
Mean anomaly
117.2307°
Eccentric anomaly
117.2409°
Mean motion
0.25067 °/min
Orbital period
1,436.17 mins
BSTAR
0
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Other satellites on launch #44 in the year 2009 (2009-08-21 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.JCSAT 12 Visibility
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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. |
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| JCSAT 12 is likely not visible in the next few days. |
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35755 neighbors
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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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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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 descending order |
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