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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
2 days 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 2 days ago
0 MIDAS 3
1 00163U 61018A   25180.99529429 -.00000002  00000-0 -12055-2 0  9990
2 00163  91.0949 190.1411 0099910 181.2044 178.8599  8.91838213 82616
Epoch: 2025-06-29T23:53Z
TLE epoch observation values (Epoch: 2025-06-29T23:53:13.426Z)
Latitude
-0.00004°
Longitude
-86.4763°
Altitude
3,544.482 km
Speed
6.307 km/s
True Right ascension
12h 40m 33s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-20.61644°
Longitude
93.18666°
Altitude
3,359.688 km
Speed
6.428 km/s
Apparent Right ascension
22h 32m 59s
Apparent Declination
-40° 07' 60"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
05:25:23
Azimuth
242.771° WSW
Elevation
-33.128°
Doppler factor
1
Orbital elements
Apogee altitude
3,539.995 km
Perigee altitude
3,343.771 km
Semi-major axis
9,820.02 km
Eccentricity
0.00999
Inclination
91.0949°
RAAN
190.1411°
Arg. of periapsis
181.2044°
True anomaly
Unknown
Mean anomaly
178.8599°
Eccentric anomaly
Unknown
Mean motion
2.23036 °/min
Orbital period
161.41 mins
BSTAR
-0.0012055
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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.
22 mins2025-07-01 21:51:44.342Z92.891° ESE2025-07-01 22:02:44.342Z53.235° ENE19.985°2025-07-01 22:13:44.342Z13.032° NNE
35 mins2025-07-02 00:21:44.342Z164.484° S2025-07-02 00:38:44.342Z90.745° ESE44.601°2025-07-02 00:56:44.342Z358.551° N
27 mins2025-07-02 03:08:44.342Z237.562° WSW2025-07-02 03:21:44.342Z288.619° WNW25.106°2025-07-02 03:35:44.342Z342.746° N
4 mins2025-07-02 09:21:44.342Z48.91° ENE2025-07-02 09:22:44.342Z52.482° ENE10.581°2025-07-02 09:25:44.342Z63.211° ENE
33 mins2025-07-02 11:53:44.342Z8.041° NNE2025-07-02 12:09:44.342Z85.189° E41.511°2025-07-02 12:26:44.342Z167.42° S
28 mins2025-07-02 14:35:44.342Z351.223° N2025-07-02 14:48:44.342Z295.418° NW32.398°2025-07-02 15:03:44.342Z233.077° WSW
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