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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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Identifier
271, 1962-010A
Orbit
LEO
Last TLE update
2 days ago
Origin
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 2 days ago
0 MIDAS 5 (STRONGBACK)
1   271U 62010A   25108.22220562  .00000020  00000-0  31748-2 0  9993
2   271  86.6784  17.5889 0327501 191.4875 167.8416  9.41307129166059
Epoch: 2025-04-18T05:19Z
Definitive object data (Epoch: 2025-04-18T05:19:58.565Z)
Latitude
-0.00003°
Longitude
91.01202°
Altitude
3,403.024 km
Speed
6.281 km/s
True Right ascension
01h 10m 21s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude
-38.09044°
Longitude
88.17092°
Altitude
3,315.543 km
Speed
6.343 km/s
Apparent Right ascension
22h 20m 22s
Apparent Declination
-57° 31' 40"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
04:43:59
Azimuth
221.126° SW
Elevation
-35.711°
Doppler factor
1
Orbital elements
Apogee altitude
3,404.836 km
Perigee altitude
2,784.369 km
Semi-major axis
9,472.739 km
Eccentricity
0.0327501
Inclination
86.6784°
RAAN
17.5889°
Arg. of periapsis
191.4875°
True anomaly
168.60153°
Mean anomaly
167.8416°
Eccentric anomaly
168.22454°
Mean motion
2.35413 °/min
BSTAR
0.0031748
Orbital period
152.92 mins
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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.
26 mins2025-04-20 04:00:28.480Z7.92° NNE2025-04-20 04:14:28.480Z73.545° E30.022°2025-04-20 04:26:28.480Z131.712° SE
28 mins2025-04-20 06:34:28.480Z352.109° N2025-04-20 06:48:28.480Z275.807° WNW41.891°2025-04-20 07:02:28.480Z200.821° SSW
7 mins2025-04-20 09:13:28.480Z319.594° NNW2025-04-20 09:16:28.480Z307.475° NW11.892°2025-04-20 09:20:28.480Z291.067° WNW
27 mins2025-04-20 16:06:28.480Z122.236° SE2025-04-20 16:19:28.480Z71.142° E28.456°2025-04-20 16:33:28.480Z14.686° NNE
33 mins2025-04-20 18:34:28.480Z188.677° SSW2025-04-20 18:51:28.480Z285.185° WNW43.996°2025-04-20 19:07:28.480Z0.31° NNE
20 mins2025-04-20 21:18:28.480Z265.743° W2025-04-20 21:28:28.480Z302.933° NW17.653°2025-04-20 21:38:28.480Z341.245° N
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