MIDAS 5 (STRONGBACK), 271
Orbit data source: Space-Track
MIDAS 5 (STRONGBACK), 271 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Mon, 09 Apr 1962 UTC via an ATLAS AGENA B 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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271 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
LMSC
Mission
Spacecraft
Bus & Motor
MIDAS, Unknown motor
Mass
~1,543 kg wet, ~840 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 MIDAS 5 (STRONGBACK)
1 271U 62010A 26048.22804453 .00000005 00000-0 10603-3 0 9995
2 271 86.6768 333.3278 0327638 176.8439 183.4630 9.41308243194383Epoch: 2026-02-17T05:28Z
TLE epoch observation values (Epoch: 2026-02-17T05:28:23.047Z)
Latitude
0.00001°
Longitude
104.02072°
Altitude
3,409.148 km
Speed
6.277 km/s
True Right ascension
22h 13m 18s
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
08:58:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,404.958 km
Perigee altitude
2,784.232 km
Semi-major axis
9,472.732 km
Eccentricity
0.03276
Inclination
86.6768°
RAAN
333.3278°
Arg. of periapsis
176.8439°
True anomaly
183.24514°
Mean anomaly
183.463°
Eccentric anomaly
183.3532°
Mean motion
2.35413 °/min
Orbital period
152.92 mins
BSTAR
0.00010603
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Other satellites on launch #10 in the year 1962 (1962-04-09 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.MIDAS 5 (STRONGBACK) 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. |
|---|---|---|---|---|---|---|---|
| 28 mins | 2026-02-18 07:44:38.220Z | 351.866° N | 2026-02-18 07:58:38.220Z | 279.666° WNW | 41.028° | 2026-02-18 08:12:38.220Z | 203.232° SW |
| 26 mins | 2026-02-18 17:17:38.220Z | 123.858° SE | 2026-02-18 17:30:38.220Z | 70.072° E | 29.502° | 2026-02-18 17:43:38.220Z | 15.613° NNE |
| 33 mins | 2026-02-18 19:45:38.220Z | 191.354° SSW | 2026-02-18 20:01:38.220Z | 266.989° W | 43.5° | 2026-02-18 20:18:38.220Z | 0.124° NNE |
| 17 mins | 2026-02-18 22:31:38.220Z | 273.689° WNW | 2026-02-18 22:39:38.220Z | 303.895° NW | 16.175° | 2026-02-18 22:48:38.220Z | 338.667° N |
| 18 mins | 2026-02-19 04:10:38.220Z | 19.638° NNE | 2026-02-19 04:19:38.220Z | 58.969° ENE | 18.651° | 2026-02-19 04:28:38.220Z | 99.401° ESE |
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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