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: 2 days ago
TLE from 2 days ago
0 MIDAS 5 (STRONGBACK)
1 00271U 62010A 25321.51276607 .00000005 00000-0 40706-3 0 9991
2 00271 86.6709 346.6492 0326973 289.6645 66.9255 9.41307609185750Epoch: 2025-11-17T12:18Z
TLE epoch observation values (Epoch: 2025-11-17T12:18:22.988Z)
Latitude
-0.00002°
Longitude
105.24128°
Altitude
2,986.51 km
Speed
6.564 km/s
True Right ascension
23h 06m 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
19:47:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,404.332 km
Perigee altitude
2,784.866 km
Semi-major axis
9,472.736 km
Eccentricity
0.0327
Inclination
86.6709°
RAAN
346.6492°
Arg. of periapsis
289.6645°
True anomaly
70.42647°
Mean anomaly
66.9255°
Eccentric anomaly
68.6706°
Mean motion
2.35413 °/min
Orbital period
152.92 mins
BSTAR
0.00040706
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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. |
|---|---|---|---|---|---|---|---|
| 17 mins | 2025-11-19 23:11:32.157Z | 87.692° E | 2025-11-19 23:19:32.157Z | 57.094° ENE | 16.403° | 2025-11-19 23:28:32.157Z | 24.126° NE |
| 32 mins | 2025-11-20 01:33:32.157Z | 164.283° S | 2025-11-20 01:48:32.157Z | 79.697° E | 43.632° | 2025-11-20 02:05:32.157Z | 5.352° NNE |
| 28 mins | 2025-11-20 04:10:32.157Z | 234.867° WSW | 2025-11-20 04:23:32.157Z | 293.401° NW | 28.806° | 2025-11-20 04:38:32.157Z | 353.572° N |
| 6 mins | 2025-11-20 10:01:32.157Z | 35.121° NE | 2025-11-20 10:03:32.157Z | 42.052° NE | 10.791° | 2025-11-20 10:07:32.157Z | 55.914° ENE |
| 32 mins | 2025-11-20 12:28:32.157Z | 4.044° NNE | 2025-11-20 12:44:32.157Z | 77.862° E | 38.996° | 2025-11-20 13:00:32.157Z | 153.051° SSE |
| 30 mins | 2025-11-20 15:02:32.157Z | 348.518° N | 2025-11-20 15:17:32.157Z | 282.512° WNW | 36.713° | 2025-11-20 15:32:32.157Z | 217.563° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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