RIGIDSPHERE 2 (LCS 4), 5398
Orbit data source: Space-Track
RIGIDSPHERE 2 (LCS 4), 5398 is an American payload satellite in LEO that was launched on Sat, 07 Aug 1971 UTC via an ATLAS F 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.
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5398 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
ROHR/MITLL
Mission
Operational spacecraft
Bus & Motor
LCS, Unknown motor
Mass
~38 kg wet, ~38 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 RIGIDSPHERE 2 (LCS 4)
1 05398U 71067E 26094.90952228 .00001013 00000-0 32316-3 0 9997
2 05398 87.6278 359.1484 0061953 114.8762 245.8895 14.37785009863352Epoch: 2026-04-04T21:49Z
TLE epoch observation values (Epoch: 2026-04-04T21:49:42.724Z)
Latitude
-0°
Longitude
-161.50215°
Altitude
787.208 km
Speed
7.451 km/s
True Right ascension
23h 56m 35s
True Declination
0° 00' 00"
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
12:45:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
807.005 km
Perigee altitude
718.525 km
Semi-major axis
7,140.902 km
Eccentricity
0.0062
Inclination
87.6278°
RAAN
359.1484°
Arg. of periapsis
114.8762°
True anomaly
245.24356°
Mean anomaly
245.8895°
Eccentric anomaly
245.56633°
Mean motion
3.59678 °/min
Orbital period
100.09 mins
BSTAR
0.00032316
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Other satellites on launch #67 in the year 1971 (1971-08-07 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.RIGIDSPHERE 2 (LCS 4) Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-04-05 17:59:22.862Z | 175.484° S | 2026-04-05 18:03:22.862Z | 101.361° ESE | 44.709° | 2026-04-05 18:08:22.862Z | 2.851° NNE |
| 4 mins | 2026-04-06 04:30:22.862Z | 56.956° ENE | 2026-04-06 04:31:22.862Z | 70.47° E | 14.602° | 2026-04-06 04:34:22.862Z | 109.655° ESE |
| 7 mins | 2026-04-06 06:09:22.862Z | 342.053° N | 2026-04-06 06:12:22.862Z | 279.001° WNW | 38.263° | 2026-04-06 06:16:22.862Z | 201.259° SSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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