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

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Identifier

271, 1962-010A

Orbit

LEO

Country

Related business

United States Space Force (US)

Manufacturer

LMSC

Mission

Spacecraft

Bus & Motor

MIDAS, Unknown motor

Mass

~1,543 kg wet, ~840 kg dry

Launch date (UTC)

1962-04-09 (64 years ago)

Launch vehicle

ATLAS AGENA B

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 MIDAS 5 (STRONGBACK)
1 00271U 62010A   26096.05210204  .00000007  00000-0  33714-3 0  9994
2 00271  86.6676 326.3897 0328142 118.1834 245.2620  9.41308682198881

Epoch: 2026-04-06T01:15Z

TLE epoch observation values (Epoch: 2026-04-06T01:15:01.616Z)

Latitude

-0.00001°

Longitude

113.28425°

Altitude

3,237.571 km

Speed

6.392 km/s

True Right ascension

21h 45m 33s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

07:07:05

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

3,405.432 km

Perigee altitude

2,783.752 km

Semi-major axis

9,472.729 km

Eccentricity

0.03281

Inclination

86.6676°

RAAN

326.3897°

Arg. of periapsis

118.1834°

True anomaly

241.90643°

Mean anomaly

245.262°

Eccentric anomaly

243.57828°

Mean motion

2.35413 °/min

Orbital period

152.92 mins

BSTAR

0.00033714

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

MIDAS 5 DEB, 19981

MIDAS 5 DEB, 273

MIDAS 5 DEB, 18603

MIDAS 5 DEB, 272 (Decayed)

MIDAS 5 DEB, 274

MIDAS 5 DEB, 5703 (Decayed)

MIDAS 5 DEB, 4494 (Decayed)

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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.
12 mins	2026-04-07 01:06:15.254Z	58.913° ENE	2026-04-07 01:07:15.254Z	64.478° ENE	22.08°	2026-04-07 01:18:15.254Z	114.324° SE
28 mins	2026-04-07 03:29:15.254Z	356.063° N	2026-04-07 03:43:15.254Z	241.271° WSW	44.756°	2026-04-07 03:57:15.254Z	186.238° SSW
15 mins	2026-04-07 06:06:15.254Z	328.14° NNW	2026-04-07 06:13:15.254Z	295.981° NW	17.61°	2026-04-07 06:21:15.254Z	261.227° W
18 mins	2026-04-07 13:08:15.254Z	101.908° ESE	2026-04-07 13:17:15.254Z	64.184° ENE	19.93°	2026-04-07 13:26:15.254Z	25.136° NE
30 mins	2026-04-07 15:32:15.254Z	175.727° S	2026-04-07 15:47:15.254Z	132.023° SE	44.93°	2026-04-07 16:02:15.254Z	3.297° NNE
22 mins	2026-04-07 18:12:15.254Z	248.532° W	2026-04-07 18:23:15.254Z	295.413° NW	22.03°	2026-04-07 18:34:15.254Z	344.477° N
4 mins	2026-04-08 00:00:15.254Z	45.089° ENE	2026-04-08 00:01:15.254Z	49.337° ENE	10.695°	2026-04-08 00:04:15.254Z	61.986° ENE

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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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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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

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

MIDAS 5 (STRONGBACK), 271

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-04-06T01:15:01.616Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

MIDAS 5 (STRONGBACK) Visibility forecast

Co-orbital & Co-planar RSOs

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

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago