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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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<iframe src="https://www.satcat.com/sats-embedded/271?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/271?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

271, 1962-010A

Orbit

LEO

Country

Related business

United States Space Force (US)

Manufacturer

LMSC

Mission

Defense Early Warn

Bus & Motor

MIDAS, Unknown motor

Mass

~1,543 kg wet, ~840 kg dry

Launch date (UTC)

1962-04-09 (63 years ago)

Launch vehicle

ATLAS AGENA B

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 4.5 m

Radar Cross Section

11.475 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago

0 MIDAS 5 (STRONGBACK)
1 00271U 62010A   25242.76543840  .00000001  00000-0 -69612-3 0  9990
2 00271  86.6800 358.0619 0327862  26.4456 335.2778  9.41307405178348

Epoch: 2025-08-30T18:22Z

TLE epoch observation values (Epoch: 2025-08-30T18:22:13.877Z)

Latitude

-0.00001°

Longitude

103.30904°

Altitude

2,818.857 km

Speed

6.681 km/s

True Right ascension

23h 52m 14s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

19:15:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

3,405.176 km

Perigee altitude

2,784.026 km

Semi-major axis

9,472.738 km

Eccentricity

0.03279

Inclination

86.68°

RAAN

358.0619°

Arg. of periapsis

26.4456°

True anomaly

333.64611°

Mean anomaly

335.2778°

Eccentric anomaly

334.46814°

Mean motion

2.35413 °/min

Orbital period

152.92 mins

BSTAR

-0.00069612

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Other satellites on launch #10 in the year 1962 (1962-04-09 UTC)

MIDAS 5 DEB, 272 (Decayed)

MIDAS 5 DEB, 273

MIDAS 5 DEB, 274

MIDAS 5 DEB, 4494 (Decayed)

MIDAS 5 DEB, 5703 (Decayed)

MIDAS 5 DEB, 18603

MIDAS 5 DEB, 19981

MIDAS 5 (STRONGBACK) Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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.
27 mins	2025-08-31 07:10:09.486Z	151.799° SSE	2025-08-31 07:24:09.486Z	74.381° E	39.093°	2025-08-31 07:37:09.486Z	9.606° NNE
26 mins	2025-08-31 09:45:09.486Z	221.373° SW	2025-08-31 09:57:09.486Z	284.388° WNW	33.131°	2025-08-31 10:11:09.486Z	354.022° N
29 mins	2025-08-31 18:02:09.486Z	9.668° NNE	2025-08-31 18:16:09.486Z	76.908° E	32.464°	2025-08-31 18:31:09.486Z	139.037° SSE
31 mins	2025-08-31 20:35:09.486Z	351.645° N	2025-08-31 20:49:09.486Z	284.087° WNW	41.578°	2025-08-31 21:06:09.486Z	202.717° SW
9 mins	2025-08-31 23:14:09.486Z	320.099° NNW	2025-08-31 23:18:09.486Z	304.741° NW	12.338°	2025-08-31 23:23:09.486Z	286.169° WNW