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: 10 hours ago
TLE from 10 hours ago
0 MIDAS 5 (STRONGBACK)
1 271U 62010A 26138.98663260 .00000003 00000-0 -35818-3 0 9991
2 271 86.6606 320.1387 0328171 65.5520 297.9248 9.41308903202926Epoch: 2026-05-18T23:40Z
TLE epoch observation values (Epoch: 2026-05-18T23:40:45.056Z)
Latitude
-0.00005°
Longitude
88.28394°
Altitude
2,961.71 km
Speed
6.581 km/s
True Right ascension
21h 20m 33s
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
18:47:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,405.458 km
Perigee altitude
2,783.723 km
Semi-major axis
9,472.728 km
Eccentricity
0.03282
Inclination
86.6606°
RAAN
320.1387°
Arg. of periapsis
65.552°
True anomaly
294.53905°
Mean anomaly
297.9248°
Eccentric anomaly
296.23826°
Mean motion
2.35413 °/min
Orbital period
152.92 mins
BSTAR
-0.00035818
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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 | 2026-05-19 10:03:09.108Z | 102.426° ESE | 2026-05-19 10:11:09.108Z | 66.734° ENE | 19.569° | 2026-05-19 10:20:09.108Z | 25.597° NE |
| 28 mins | 2026-05-19 12:28:09.108Z | 177.768° S | 2026-05-19 12:42:09.108Z | 57.186° ENE | 44.998° | 2026-05-19 12:56:09.108Z | 2.893° NNE |
| 19 mins | 2026-05-19 15:09:09.108Z | 256.455° W | 2026-05-19 15:18:09.108Z | 298.171° NW | 20.115° | 2026-05-19 15:28:09.108Z | 343.565° N |
| 10 mins | 2026-05-19 20:52:09.108Z | 35.445° NE | 2026-05-19 20:56:09.108Z | 51.983° ENE | 12.361° | 2026-05-19 21:02:09.108Z | 75.917° E |
| 29 mins | 2026-05-19 23:21:09.108Z | 3.749° NNE | 2026-05-19 23:34:09.108Z | 79.939° E | 42.088° | 2026-05-19 23:50:09.108Z | 163.952° S |
| 24 mins | 2026-05-20 01:55:09.108Z | 341.816° N | 2026-05-20 02:06:09.108Z | 288.528° WNW | 30.399° | 2026-05-20 02:19:09.108Z | 230.282° WSW |
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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