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: 16 hours ago
TLE from 16 hours ago
0 MIDAS 5 (STRONGBACK)
1 00271U 62010A 26194.35412928 -.00000018 00000-0 -44003-2 0 9999
2 00271 86.6654 312.0763 0327555 357.5974 2.3350 9.41308308208139Epoch: 2026-07-13T08:29Z
TLE epoch observation values (Epoch: 2026-07-13T08:29:56.769Z)
Latitude
-0°
Longitude
-106.65009°
Altitude
2,789.081 km
Speed
6.702 km/s
True Right ascension
20h 48m 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
12:47:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,404.879 km
Perigee altitude
2,784.311 km
Semi-major axis
9,472.732 km
Eccentricity
0.03276
Inclination
86.6654°
RAAN
312.0763°
Arg. of periapsis
357.5974°
True anomaly
2.49444°
Mean anomaly
2.335°
Eccentric anomaly
2.41405°
Mean motion
2.35413 °/min
Orbital period
152.92 mins
BSTAR
-0.0044003
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-07-14 05:12:26.280Z | 64.317° ENE | 2026-07-14 05:15:26.280Z | 52.016° ENE | 11.224° | 2026-07-14 05:18:26.280Z | 39.96° NE |
| 28 mins | 2026-07-14 07:30:26.280Z | 156.868° SSE | 2026-07-14 07:43:26.280Z | 82.532° E | 41.476° | 2026-07-14 07:58:26.280Z | 7.243° NNE |
| 25 mins | 2026-07-14 10:06:26.280Z | 230.301° WSW | 2026-07-14 10:17:26.280Z | 287.167° WNW | 30.548° | 2026-07-14 10:31:26.280Z | 352.786° N |
| 31 mins | 2026-07-14 18:22:26.280Z | 7.225° NNE | 2026-07-14 18:37:26.280Z | 78.736° E | 35.82° | 2026-07-14 18:53:26.280Z | 146.03° SSE |
| 32 mins | 2026-07-14 20:55:26.280Z | 350.525° N | 2026-07-14 21:10:26.280Z | 281.195° WNW | 39.688° | 2026-07-14 21:27:26.280Z | 208.609° SW |
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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