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: 6 hours ago
TLE from 6 hours ago
0 MIDAS 3
1 163U 61018A 26311.09692919 -.00000014 00000-0 -54278-2 0 9999
2 163 91.1367 211.4398 0102808 359.4409 0.6336 8.91839478126756Epoch: 2026-11-07T02:19Z
TLE epoch observation values (Epoch: 2026-11-07T02:19:34.682Z)
Latitude
-0.00002°
Longitude
130.23821°
Altitude
3,345.36 km
Speed
6.436 km/s
True Right ascension
14h 05m 45s
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
04:06:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,542.831 km
Perigee altitude
3,340.916 km
Semi-major axis
9,820.011 km
Eccentricity
0.01028
Inclination
91.1367°
RAAN
211.4398°
Arg. of periapsis
359.4409°
True anomaly
0.6468°
Mean anomaly
0.6336°
Eccentric anomaly
0.64018°
Mean motion
2.23036 °/min
Orbital period
161.41 mins
BSTAR
-0.0054278
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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. |
|---|---|---|---|---|---|---|---|
| 25 mins | 2026-11-07 08:28:06.501Z | 349.562° N | 2026-11-07 08:40:06.501Z | 305.356° NW | 25.565° | 2026-11-07 08:53:06.501Z | 257.239° W |
| 28 mins | 2026-11-07 15:54:06.501Z | 122.88° SE | 2026-11-07 16:07:06.501Z | 65.547° ENE | 39.226° | 2026-11-07 16:22:06.501Z | 5.344° NNE |
| 33 mins | 2026-11-07 18:30:06.501Z | 193.235° SSW | 2026-11-07 18:46:06.501Z | 272.927° WNW | 62.597° | 2026-11-07 19:03:06.501Z | 352.996° N |
| 6 mins | 2026-11-07 21:30:06.501Z | 296.253° NW | 2026-11-07 21:33:06.501Z | 306.985° NW | 10.906° | 2026-11-07 21:36:06.501Z | 317.626° NNW |
| 27 mins | 2026-11-08 03:21:06.501Z | 19.515° NNE | 2026-11-08 03:34:06.501Z | 70.25° E | 27.75° | 2026-11-08 03:48:06.501Z | 124.227° SE |
| 35 mins | 2026-11-08 06:00:06.501Z | 1.508° NNE | 2026-11-08 06:17:06.501Z | 278.145° WNW | 81.027° | 2026-11-08 06:35:06.501Z | 195.088° SSW |
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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