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
CONE, 1.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 MIDAS 5 (STRONGBACK)
1 00271U 62010A 26254.39770158 .00000025 00000-0 44077-2 0 9999
2 00271 86.6577 303.3427 0326904 283.7794 72.6934 9.41308664213780Epoch: 2026-09-11T09:32Z
TLE epoch observation values (Epoch: 2026-09-11T09:32:41.416Z)
Latitude
-0.00003°
Longitude
169.74849°
Altitude
3,016.408 km
Speed
6.543 km/s
True Right ascension
20h 13m 22s
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
13:17:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,404.26 km
Perigee altitude
2,784.925 km
Semi-major axis
9,472.729 km
Eccentricity
0.03269
Inclination
86.6577°
RAAN
303.3427°
Arg. of periapsis
283.7794°
True anomaly
76.31143°
Mean anomaly
72.6934°
Eccentric anomaly
74.49829°
Mean motion
2.35413 °/min
Orbital period
152.92 mins
BSTAR
0.0044077
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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. |
|---|---|---|---|---|---|---|---|
| 20 mins | 2026-09-12 01:02:08.911Z | 96.746° ESE | 2026-09-12 01:12:08.911Z | 57.918° ENE | 19.969° | 2026-09-12 01:22:08.911Z | 21.224° NNE |
| 32 mins | 2026-09-12 03:26:08.911Z | 169.567° S | 2026-09-12 03:41:08.911Z | 82.099° E | 79.259° | 2026-09-12 03:58:08.911Z | 4.484° NNE |
| 27 mins | 2026-09-12 06:04:08.911Z | 240.985° WSW | 2026-09-12 06:16:08.911Z | 292.278° WNW | 29.754° | 2026-09-12 06:31:08.911Z | 352.118° N |
| 12 mins | 2026-09-12 11:52:08.911Z | 26.798° NE | 2026-09-12 11:58:08.911Z | 48.021° ENE | 13° | 2026-09-12 12:04:08.911Z | 69.293° E |
| 33 mins | 2026-09-12 14:21:08.911Z | 2.469° NNE | 2026-09-12 14:38:08.911Z | 85.979° E | 59.581° | 2026-09-12 14:54:08.911Z | 158.85° S |
| 30 mins | 2026-09-12 16:55:08.911Z | 347.852° N | 2026-09-12 17:10:08.911Z | 284.748° WNW | 43.31° | 2026-09-12 17:25:08.911Z | 222.225° 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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