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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163 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
LMSC
Mission
Spacecraft
Bus & Motor
MIDAS, Unknown motor
Mass
~1,540 kg wet, 840 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 MIDAS 3
1 163U 61018A 26141.61385876 -.00000002 00000-0 -10535-2 0 9994
2 163 91.1207 204.0857 0101990 184.1929 175.8095 8.91838800111645Epoch: 2026-05-21T14:43Z
TLE epoch observation values (Epoch: 2026-05-21T14:43:57.396Z)
Latitude
-0.00011°
Longitude
103.84001°
Altitude
3,546.277 km
Speed
6.306 km/s
True Right ascension
13h 36m 20s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
11:32:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,542.033 km
Perigee altitude
3,341.724 km
Semi-major axis
9,820.016 km
Eccentricity
0.0102
Inclination
91.1207°
RAAN
204.0857°
Arg. of periapsis
184.1929°
True anomaly
175.89383°
Mean anomaly
175.8095°
Eccentric anomaly
175.85177°
Mean motion
2.23036 °/min
Orbital period
161.41 mins
BSTAR
-0.0010535
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Other satellites on launch #18 in the year 1961 (1961-07-12 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.MIDAS 3 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. |
|---|---|---|---|---|---|---|---|
| 36 mins | 2026-05-22 04:11:56.989Z | 169.868° S | 2026-05-22 04:29:56.989Z | 62.957° ENE | 44.976° | 2026-05-22 04:47:56.989Z | 357.593° N |
| 25 mins | 2026-05-22 07:00:56.989Z | 244.766° WSW | 2026-05-22 07:12:56.989Z | 290.255° WNW | 22.308° | 2026-05-22 07:25:56.989Z | 339.699° N |
| 13 mins | 2026-05-22 13:08:56.989Z | 35.223° NE | 2026-05-22 13:14:56.989Z | 57.039° ENE | 13.044° | 2026-05-22 13:21:56.989Z | 82.633° E |
| 33 mins | 2026-05-22 15:44:56.989Z | 7.041° NNE | 2026-05-22 16:00:56.989Z | 88.987° E | 43.045° | 2026-05-22 16:17:56.989Z | 172.891° S |
| 27 mins | 2026-05-22 18:25:56.989Z | 351.743° N | 2026-05-22 18:38:56.989Z | 299.704° NW | 29.871° | 2026-05-22 18:52:56.989Z | 240.786° WSW |
| 25 mins | 2026-05-23 01:53:56.989Z | 105.583° ESE | 2026-05-23 02:05:56.989Z | 58.887° ENE | 25.717° | 2026-05-23 02:18:56.989Z | 9.561° NNE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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