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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Edit Public Description
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: 22 hours ago
TLE from 22 hours ago
0 MIDAS 5 (STRONGBACK)
1 00271U 62010A 25308.44124742 .00000026 00000-0 46298-2 0 9994
2 00271 86.6740 348.5480 0326999 305.7556 51.3347 9.41307518184525Epoch: 2025-11-04T10:35Z
TLE epoch observation values (Epoch: 2025-11-04T10:35:23.777Z)
Latitude
0.00002°
Longitude
145.7707°
Altitude
2,911.983 km
Speed
6.615 km/s
True Right ascension
23h 14m 11s
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
04:06:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,404.357 km
Perigee altitude
2,784.842 km
Semi-major axis
9,472.737 km
Eccentricity
0.0327
Inclination
86.674°
RAAN
348.548°
Arg. of periapsis
305.7556°
True anomaly
54.33571°
Mean anomaly
51.3347°
Eccentric anomaly
52.8276°
Mean motion
2.35413 °/min
Orbital period
152.92 mins
BSTAR
0.0046298
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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. |
|---|---|---|---|---|---|---|---|
| 31 mins | 2025-11-05 12:49:32.221Z | 6.649° NNE | 2025-11-05 13:05:32.221Z | 72.437° E | 30.768° | 2025-11-05 13:20:32.221Z | 133.159° SE |
| 33 mins | 2025-11-05 15:23:32.221Z | 353.591° N | 2025-11-05 15:39:32.221Z | 280.532° WNW | 43.165° | 2025-11-05 15:56:32.221Z | 197.845° SSW |
| 16 mins | 2025-11-05 18:00:32.221Z | 331.656° NNW | 2025-11-05 18:08:32.221Z | 302.65° NW | 16.024° | 2025-11-05 18:16:32.221Z | 273.986° WNW |
| 23 mins | 2025-11-06 00:59:32.221Z | 112.701° SE | 2025-11-06 01:09:32.221Z | 68.349° E | 25.71° | 2025-11-06 01:22:32.221Z | 16.074° NNE |
| 31 mins | 2025-11-06 03:26:32.221Z | 186.201° SSW | 2025-11-06 03:40:32.221Z | 269.218° W | 44.506° | 2025-11-06 03:57:32.221Z | 1.536° NNE |
| 19 mins | 2025-11-06 06:09:32.221Z | 268.084° W | 2025-11-06 06:18:32.221Z | 305.567° NW | 18.494° | 2025-11-06 06:28:32.221Z | 344.046° N |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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