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
CONE, 1.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 MIDAS 3
1 00163U 61018A 26260.84680376 .00000033 00000-0 11051-1 0 9999
2 00163 91.1295 209.2434 0102938 54.2046 306.8343 8.91839470122277Epoch: 2026-09-17T20:19Z
TLE epoch observation values (Epoch: 2026-09-17T20:19:23.844Z)
Latitude
-0.00007°
Longitude
-92.38413°
Altitude
3,386.397 km
Speed
6.409 km/s
True Right ascension
13h 56m 58s
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
23:53:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,542.959 km
Perigee altitude
3,340.788 km
Semi-major axis
9,820.011 km
Eccentricity
0.01029
Inclination
91.1295°
RAAN
209.2434°
Arg. of periapsis
54.2046°
True anomaly
305.8829°
Mean anomaly
306.8343°
Eccentric anomaly
306.35933°
Mean motion
2.23036 °/min
Orbital period
161.41 mins
BSTAR
0.011051
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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. |
|---|---|---|---|---|---|---|---|
| 34 mins | 2026-09-18 07:50:55.310Z | 8.723° NNE | 2026-09-18 08:07:55.310Z | 90.694° ESE | 56.559° | 2026-09-18 08:24:55.310Z | 162.964° S |
| 30 mins | 2026-09-18 10:32:55.310Z | 353.097° N | 2026-09-18 10:46:55.310Z | 291.734° WNW | 44.252° | 2026-09-18 11:02:55.310Z | 227.013° WSW |
| 20 mins | 2026-09-18 18:04:55.310Z | 90.341° ESE | 2026-09-18 18:13:55.310Z | 55.103° ENE | 21.516° | 2026-09-18 18:24:55.310Z | 13.124° NNE |
| 33 mins | 2026-09-18 20:34:55.310Z | 166.742° S | 2026-09-18 20:50:55.310Z | 71.48° E | 83.215° | 2026-09-18 21:07:55.310Z | 358.145° N |
| 25 mins | 2026-09-18 23:21:55.310Z | 242.034° WSW | 2026-09-18 23:33:55.310Z | 290.88° WNW | 25.29° | 2026-09-18 23:46:55.310Z | 341.91° N |
| 10 mins | 2026-09-19 05:30:55.310Z | 41.897° NE | 2026-09-19 05:34:55.310Z | 56.201° ENE | 11.918° | 2026-09-19 05:40:55.310Z | 77.326° E |
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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