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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Edit Public Description
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: 6 hours ago
TLE from 6 hours ago
0 MIDAS 3
1 00163U 61018A 25345.99189034 .00000001 00000-0 10058-3 0 9996
2 00163 91.1049 197.1817 0100992 0.8960 359.2079 8.91838719 97324Epoch: 2025-12-11T23:48Z
TLE epoch observation values (Epoch: 2025-12-11T23:48:19.325Z)
Latitude
-0.00003°
Longitude
119.16126°
Altitude
3,347.153 km
Speed
6.435 km/s
True Right ascension
13h 08m 43s
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
04:39:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
3,541.053 km
Perigee altitude
3,342.705 km
Semi-major axis
9,820.016 km
Eccentricity
0.0101
Inclination
91.1049°
RAAN
197.1817°
Arg. of periapsis
0.896°
True anomaly
359.1917°
Mean anomaly
359.2079°
Eccentric anomaly
359.19982°
Mean motion
2.23036 °/min
Orbital period
161.41 mins
BSTAR
0.00010058
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Other satellites on launch #18 in the year 1961 (1961-07-12 UTC)
Did you know?
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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-12 10:57:47.536Z | 51.348° ENE | 2025-12-12 11:00:47.536Z | 40.516° NE | 11.497° | 2025-12-12 11:04:47.536Z | 26.313° NE |
| 31 mins | 2025-12-12 13:19:47.536Z | 143.625° SSE | 2025-12-12 13:34:47.536Z | 70.685° E | 39.754° | 2025-12-12 13:50:47.536Z | 2.272° NNE |
| 30 mins | 2025-12-12 16:00:47.536Z | 213.868° SW | 2025-12-12 16:14:47.536Z | 276.427° WNW | 34.361° | 2025-12-12 16:30:47.536Z | 347.901° N |
| 32 mins | 2025-12-13 00:48:47.536Z | 13.529° NNE | 2025-12-13 01:03:47.536Z | 77.359° E | 33.917° | 2025-12-13 01:20:47.536Z | 147.641° SSE |
| 33 mins | 2025-12-13 03:28:47.536Z | 357.666° N | 2025-12-13 03:44:47.536Z | 287.958° WNW | 40.673° | 2025-12-13 04:01:47.536Z | 212.899° SW |
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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