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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Edit Public Description
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: 8 hours ago
TLE from 8 hours ago
0 RIGIDSPHERE 2 (LCS 4)
1 05398U 71067E 25346.94658683 .00001071 00000-0 34347-3 0 9998
2 05398 87.6213 30.4930 0062017 129.5243 231.1461 14.37563038847125Epoch: 2025-12-12T22:43Z
TLE epoch observation values (Epoch: 2025-12-12T22:43:05.102Z)
Latitude
-0.00002°
Longitude
-32.15917°
Altitude
797.6 km
Speed
7.44 km/s
True Right ascension
02h 01m 58s
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
05:23:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
807.791 km
Perigee altitude
719.21 km
Semi-major axis
7,141.638 km
Eccentricity
0.0062
Inclination
87.6213°
RAAN
30.493°
Arg. of periapsis
129.5243°
True anomaly
230.59536°
Mean anomaly
231.1461°
Eccentric anomaly
230.87046°
Mean motion
3.59622 °/min
Orbital period
100.11 mins
BSTAR
0.00034347
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-13 14:20:28.119Z | 33.656° NE | 2025-12-13 14:23:28.119Z | 76.363° E | 20.969° | 2025-12-13 14:27:28.119Z | 131.603° SE |
| 6 mins | 2025-12-13 16:01:28.119Z | 326.866° NNW | 2025-12-13 16:04:28.119Z | 265.784° W | 29.031° | 2025-12-13 16:07:28.119Z | 218.676° SW |
| 8 mins | 2025-12-14 03:14:28.119Z | 161.915° S | 2025-12-14 03:18:28.119Z | 72.989° E | 40.442° | 2025-12-14 03:22:28.119Z | 10.63° NNE |
| 4 mins | 2025-12-14 04:57:28.119Z | 264.424° W | 2025-12-14 04:58:28.119Z | 277.154° WNW | 14.055° | 2025-12-14 05:01:28.119Z | 314.416° NW |
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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