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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

Last TLE update

16 hours ago

Origin

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, 8.99 m

Radar Cross Section

11.475 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 16 hours ago

0 MIDAS 5 (STRONGBACK)
1 00271U 62010A   25183.46532893  .00000004  00000-0 -22153-3 0  9999
2 00271  86.6707   6.6663 0328286  99.1699 264.6489  9.41307676172760

Epoch: 2025-07-02T11:10Z

TLE epoch observation values (Epoch: 2025-07-02T11:10:04.419Z)

Latitude

-0.00008°

Longitude

-81.59816°

Altitude

3,138.291 km

Speed

6.459 km/s

True Right ascension

00h 26m 39s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

82.36516°

Longitude

-56.0924°

Altitude

2,809.704 km

Speed

6.697 km/s

Apparent Right ascension

02h 39m 46s

Apparent Declination

39° 22' 53"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:47:30

Azimuth

1.522° NNE

Elevation

-10.683°

Doppler factor

Orbital elements

Apogee altitude

3,405.576 km

Perigee altitude

2,783.622 km

Semi-major axis

9,472.736 km

Eccentricity

0.03283

Inclination

86.6707°

RAAN

6.6663°

Arg. of periapsis

99.1699°

True anomaly

Unknown

Mean anomaly

264.6489°

Eccentric anomaly

Unknown

Mean motion

2.35413 °/min

Orbital period

152.92 mins

BSTAR

-0.00022153

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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°

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.
14 mins	2025-07-03 03:15:23.422Z	327.684° NNW	2025-07-03 03:21:23.422Z	301.49° NW	15.546°	2025-07-03 03:29:23.422Z	267.598° W
19 mins	2025-07-03 10:17:23.422Z	106.19° ESE	2025-07-03 10:26:23.422Z	65.998° ENE	21.868°	2025-07-03 10:36:23.422Z	21.595° NNE
29 mins	2025-07-03 12:42:23.422Z	180.853° SSW	2025-07-03 12:57:23.422Z	296.768° NW	44.91°	2025-07-03 13:11:23.422Z	1.998° NNE
18 mins	2025-07-03 15:24:23.422Z	259.4° W	2025-07-03 15:33:23.422Z	298.85° NW	19.105°	2025-07-03 15:42:23.422Z	339.326° N
10 mins	2025-07-03 21:07:23.422Z	35.709° NE	2025-07-03 21:11:23.422Z	53.057° ENE	12.911°	2025-07-03 21:17:23.422Z	78.355° E
28 mins	2025-07-03 23:36:23.422Z	2.798° NNE	2025-07-03 23:49:23.422Z	87.321° E	42.82°	2025-07-04 00:04:23.422Z	166.691° S
23 mins	2025-07-04 02:10:23.422Z	340.706° N	2025-07-04 02:21:23.422Z	286.108° WNW	28.072°	2025-07-04 02:33:23.422Z	232.945° WSW

Authenticating...

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Check out MIDAS 5 (STRONGBACK), 271 on other resources

View MIDAS 5 (STRONGBACK), 271 on NASA - NSSDCA Website

View MIDAS 5 (STRONGBACK), 271 on Heavens-Above

View MIDAS 5 (STRONGBACK), 271 on Keep Track

View MIDAS 5 (STRONGBACK), 271 on Celestrak

View MIDAS 5 (STRONGBACK), 271 on Gunter's Space Page

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