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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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: 7 hours ago
TLE from 7 hours ago
0 MIDAS 5 (STRONGBACK)
1 00271U 62010A 25353.92623169 -.00000001 00000-0 -84944-3 0 9990
2 00271 86.6695 341.9361 0326974 249.7730 106.7737 9.41307619188808Epoch: 2025-12-19T22:13Z
TLE epoch observation values (Epoch: 2025-12-19T22:13:46.418Z)
Latitude
0.00002°
Longitude
-80.26769°
Altitude
3,197.775 km
Speed
6.419 km/s
True Right ascension
22h 47m 44s
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
04:36:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,404.333 km
Perigee altitude
2,784.865 km
Semi-major axis
9,472.736 km
Eccentricity
0.0327
Inclination
86.6695°
RAAN
341.9361°
Arg. of periapsis
249.773°
True anomaly
110.31703°
Mean anomaly
106.7737°
Eccentric anomaly
108.54979°
Mean motion
2.35413 °/min
Orbital period
152.92 mins
BSTAR
-0.00084944
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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 | 2025-12-20 09:11:16.830Z | 7.365° NNE | 2025-12-20 09:26:16.830Z | 67.705° E | 26.83° | 2025-12-20 09:39:16.830Z | 122.995° SE |
| 32 mins | 2025-12-20 11:45:16.830Z | 355.101° N | 2025-12-20 12:01:16.830Z | 276.847° WNW | 44.307° | 2025-12-20 12:17:16.830Z | 191.21° SSW |
| 17 mins | 2025-12-20 14:22:16.830Z | 332.881° NNW | 2025-12-20 14:30:16.830Z | 302.172° NW | 18.024° | 2025-12-20 14:39:16.830Z | 266.798° W |
| 24 mins | 2025-12-20 21:20:16.830Z | 108.597° ESE | 2025-12-20 21:32:16.830Z | 61.339° ENE | 23.664° | 2025-12-20 21:44:16.830Z | 17.219° NNE |
| 33 mins | 2025-12-20 23:46:16.830Z | 178.593° S | 2025-12-21 00:02:16.830Z | 336.401° NNW | 44.953° | 2025-12-21 00:19:16.830Z | 2.741° NNE |
| 25 mins | 2025-12-21 02:26:16.830Z | 251.133° W | 2025-12-21 02:38:16.830Z | 298.274° NW | 22.727° | 2025-12-21 02:51:16.830Z | 347.947° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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