ELSA-D, 47944 (Decayed)
Orbit data source: Space-Track
ELSA-D, 47944 was a payload satellite owned by Astroscale (JP) in LEO that was launched on Mon, 22 Mar 2021 UTC via a SOYUZ-2-1A launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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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47944 intel report (Beta)
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Identifier
Orbit
Country
JP / JPNRelated business
Manufacturer
Astroscale
Mission
Decayed Commercial Technology
Bus & Motor
ELSA, Unknown motor
Mass
175 kg wet, ~175 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 1.7 m
Radar Cross Section
1.284 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 months ago
TLE from 11 months ago
0 ELSA-D
1 47944U 21022N 25208.08235808 .11379044 26175-5 37732-3 0 9996
2 47944 97.3911 126.9970 0009473 237.2421 249.3450 16.43943670241410Epoch: 2025-07-27T01:58Z
TLE epoch observation values (Epoch: 2025-07-27T01:58:35.738Z)
Latitude
52.98614°
Longitude
-17.81182°
Altitude
166.277 km
Speed
7.81 km/s
True Right ascension
21h 07m 23s
True Declination
52° 48' 20"
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
21:51:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
158.321 km
Perigee altitude
145.949 km
Semi-major axis
6,530.272 km
Eccentricity
0.00095
Inclination
97.3911°
RAAN
126.997°
Arg. of periapsis
237.2421°
True anomaly
249.24347°
Mean anomaly
249.345°
Eccentric anomaly
249.29423°
Mean motion
4.11288 °/min
Orbital period
87.53 mins
BSTAR
0.00037732
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Other satellites on launch #22 in the year 2021 (2021-03-22 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.ELSA-D Visibility
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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. |
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| This satellite is decayed. |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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