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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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<iframe src="https://www.satcat.com/sats-embedded/163?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/163?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

163, 1961-018A

Orbit

LEO

Last TLE update

13 hours ago

Origin

United States Space Force (US)

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 13 hours ago

0 MIDAS 3
1 00163U 61018A   25191.42683026 -.00000001  00000-0 -86156-3 0  9997
2 00163  91.0954 190.5832 0100056 169.7606 190.5333  8.91838225 83545

Epoch: 2025-07-10T10:14Z

TLE epoch observation values (Epoch: 2025-07-10T10:14:38.134Z)

Latitude

0.00001°

Longitude

108.33104°

Altitude

3,543.02 km

Speed

6.308 km/s

True Right ascension

12h 42m 19s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-29.16241°

Longitude

108.96312°

Altitude

3,547.823 km

Speed

6.307 km/s

Apparent Right ascension

13h 56m 03s

Apparent Declination

-65° 02' 23"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

11:45:00

Azimuth

166.104° S

Elevation

-18.033°

Doppler factor

Orbital elements

Apogee altitude

3,540.138 km

Perigee altitude

3,343.627 km

Semi-major axis

9,820.02 km

Eccentricity

0.01001

Inclination

91.0954°

RAAN

190.5832°

Arg. of periapsis

169.7606°

True anomaly

Unknown

Mean anomaly

190.5333°

Eccentric anomaly

Unknown

Mean motion

2.23036 °/min

Orbital period

161.41 mins

BSTAR

-0.00086156

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Other satellites on launch #18 in the year 1961 (1961-07-12 UTC)

MIDAS 3 DEB, 164 (Decayed)

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.
35 mins	2025-07-10 23:42:56.120Z	162.87° S	2025-07-11 00:00:56.120Z	72.642° E	44.379°	2025-07-11 00:17:56.120Z	358.935° N
28 mins	2025-07-11 02:29:56.120Z	235.037° WSW	2025-07-11 02:42:56.120Z	286.362° WNW	25.994°	2025-07-11 02:57:56.120Z	344.652° N
32 mins	2025-07-11 11:15:56.120Z	9.4° NNE	2025-07-11 11:30:56.120Z	81.415° E	40.851°	2025-07-11 11:47:56.120Z	165.289° S
28 mins	2025-07-11 13:56:56.120Z	352.316° N	2025-07-11 14:10:56.120Z	290.889° WNW	33.2°	2025-07-11 14:24:56.120Z	232.167° WSW
22 mins	2025-07-11 21:26:56.120Z	95.525° ESE	2025-07-11 21:37:56.120Z	53.184° ENE	22.224°	2025-07-11 21:48:56.120Z	12.297° NNE

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Check out MIDAS 3, 163 on other resources

View MIDAS 3, 163 on NASA - NSSDCA Website

View MIDAS 3, 163 on Heavens-Above

View MIDAS 3, 163 on Keep Track

View MIDAS 3, 163 on Celestrak

View MIDAS 3, 163 on Gunter's Space Page

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