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MIDAS 3, 163

Orbit data source: Space-Track

MIDAS 3, 163 is a payload satellite owned by USAF SSD (US) in LEO that was launched on Wed, 12 Jul 1961 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
163, 1961-018A
Orbit
LEO
Last TLE update
1 day ago
Origin
Manufacturer
LMSC
Mission
Defense Early Warn
Bus & Motor
MIDAS, Unknown motor
Mass
~1,540 kg wet, 840 kg dry
Launch date (UTC)
1961-07-12 (64 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 1 day ago
0 MIDAS 3
1 00163U 61018A   25114.59251553  .00000009  00000-0  30232-2 0  9995
2 00163  91.1021 187.3228 0098819 254.3047 104.6906  8.91838152 76696
Epoch: 2025-04-24T14:13Z
Definitive object data (Epoch: 2025-04-24T14:13:13.341Z)
Latitude
-0°
Longitude
121.15548°
Altitude
3,471.867 km
Speed
6.354 km/s
True Right ascension
12h 29m 17s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at TLE epoch
Visualization TLE readout
Latitude
8.54551°
Longitude
121.04277°
Altitude
3,486.902 km
Speed
6.344 km/s
Apparent Right ascension
13h 21m 34s
Apparent Declination
-10° 40' 02"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
03:09:38
Azimuth
46.757° ENE
Elevation
-52.21°
Doppler factor
1
Orbital elements
Apogee altitude
3,538.924 km
Perigee altitude
3,344.843 km
Semi-major axis
9,820.02 km
Eccentricity
0.0098819
Inclination
91.1021°
RAAN
187.3228°
Arg. of periapsis
254.3047°
True anomaly
105.78248°
Mean anomaly
104.6906°
Eccentric anomaly
105.23689°
Mean motion
2.23036 °/min
BSTAR
0.0030232
Orbital period
161.41 mins
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Other satellites on launch #18 in the year 1961 (1961-07-12 UTC)

MIDAS 3 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 mins2025-04-25 20:38:47.065Z340.025° N2025-04-25 20:45:47.065Z315.603° NNW13.873°2025-04-25 20:52:47.065Z291.045° WNW
13 mins2025-04-26 01:32:47.065Z66.297° ENE2025-04-26 01:38:47.065Z45.367° ENE13.808°2025-04-26 01:45:47.065Z20.98° NNE
33 mins2025-04-26 03:57:47.065Z148.076° SSE2025-04-26 04:13:47.065Z71.168° E41.334°2025-04-26 04:30:47.065Z1.209° NNE
31 mins2025-04-26 06:39:47.065Z218.052° SW2025-04-26 06:54:47.065Z282.92° WNW32.96°2025-04-26 07:10:47.065Z347.926° N
32 mins2025-04-26 15:28:47.065Z12.885° NNE2025-04-26 15:43:47.065Z78.542° E35.809°2025-04-26 16:00:47.065Z152.102° SSE
32 mins2025-04-26 18:08:47.065Z356.578° N2025-04-26 18:24:47.065Z285.901° WNW39.1°2025-04-26 18:40:47.065Z217.36° SW
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