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: 13 hours ago
TLE from 13 hours ago
0 MIDAS 5 (STRONGBACK)
1 271U 62010A 26318.90641230 -.00000003 00000-0 -14165-2 0 9998
2 271 86.6502 293.9232 0327265 204.3739 154.1377 9.41306730219858Epoch: 2026-11-14T21:45Z
TLE epoch observation values (Epoch: 2026-11-14T21:45:14.022Z)
Latitude
-0.00007°
Longitude
-86.38971°
Altitude
3,380.121 km
Speed
6.297 km/s
True Right ascension
19h 35m 41s
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
07:32:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,404.615 km
Perigee altitude
2,784.596 km
Semi-major axis
9,472.743 km
Eccentricity
0.03273
Inclination
86.6502°
RAAN
293.9232°
Arg. of periapsis
204.3739°
True anomaly
155.71521°
Mean anomaly
154.1377°
Eccentric anomaly
154.93216°
Mean motion
2.35413 °/min
Orbital period
152.92 mins
BSTAR
-0.0014165
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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. |
|---|---|---|---|---|---|---|---|
| 29 mins | 2026-11-15 11:16:19.137Z | 352.992° N | 2026-11-15 11:31:19.137Z | 284.327° WNW | 63.421° | 2026-11-15 11:45:19.137Z | 202.012° SSW |
| 8 mins | 2026-11-15 13:56:19.137Z | 321.098° NNW | 2026-11-15 14:00:19.137Z | 305.27° NW | 12.456° | 2026-11-15 14:04:19.137Z | 289.276° WNW |
| 27 mins | 2026-11-15 20:49:19.137Z | 121.93° SE | 2026-11-15 21:02:19.137Z | 70.537° E | 33.199° | 2026-11-15 21:16:19.137Z | 14.824° NNE |
| 34 mins | 2026-11-15 23:17:19.137Z | 188.915° SSW | 2026-11-15 23:33:19.137Z | 263.974° W | 74.965° | 2026-11-15 23:51:19.137Z | 1.018° NNE |
| 21 mins | 2026-11-16 02:01:19.137Z | 266.283° W | 2026-11-16 02:11:19.137Z | 303.262° NW | 18.82° | 2026-11-16 02:22:19.137Z | 344.252° N |
| 18 mins | 2026-11-16 07:43:19.137Z | 20.287° NNE | 2026-11-16 07:52:19.137Z | 58.03° ENE | 19.598° | 2026-11-16 08:01:19.137Z | 96.994° ESE |
| 29 mins | 2026-11-16 10:14:19.137Z | 358.655° N | 2026-11-16 10:29:19.137Z | 90.936° ESE | 82.279° | 2026-11-16 10:43:19.137Z | 176.214° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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