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ELSA-D CLIENT, 51288

Orbit data source: Space-Track

ELSA-D CLIENT, 51288 is a Japanese payload satellite in SSO 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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https://www.satcat.com/sats-embedded/51288?theme=dark&initialShowStats=false

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Identifier

51288, 2021-022AQ

Orbit

SSO

Country

JP / JPN

Related business

Astroscale Japan Inc. (JP)

Manufacturer

SSTL (Astrium)

Mission

Non-operational Commercial Technology

Bus & Motor

SSTL-42, Unknown motor

Mass

17 kg wet, 17 kg dry

Launch date (UTC)

2021-03-22 (5 years ago)

Launch vehicle

SOYUZ-2-1A

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 1.0 m

Radar Cross Section

0.223 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 ELSA-D CLIENT
1 51288U 21022AQ  25348.68917944  .00099359  00000-0  79340-3 0  9992
2 51288  97.4197 261.8403 0004190  26.6851 333.4627 15.70810165216088

Epoch: 2025-12-14T16:32Z

TLE epoch observation values (Epoch: 2025-12-14T16:32:25.103Z)

Latitude

0.00003°

Longitude

-69.86279°

Altitude

357.214 km

Speed

7.696 km/s

True Right ascension

17h 27m 21s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

15:08:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

356.3 km

Perigee altitude

350.659 km

Semi-major axis

6,731.616 km

Eccentricity

0.00042

Inclination

97.4197°

RAAN

261.8403°

Arg. of periapsis

26.6851°

True anomaly

333.44124°

Mean anomaly

333.4627°

Eccentric anomaly

333.45197°

Mean motion

3.92974 °/min

Orbital period

91.61 mins

BSTAR

0.0007934

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Other satellites on launch #22 in the year 2021 (2021-03-22 UTC)

KEPLER-7 (C3PO), 47949 (Decayed)

OBJECT K, 47941

OBJECT AC, 47958

OBJECT AG, 47962 (Decayed)

KEPLER-6 (ROCINANTE), 47955 (Decayed)

UNISAT 7, 47945

OBJECT V, 47951 (Decayed)

OBJECT Q, 47946

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ELSA-D CLIENT 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.
5 mins	2025-12-15 18:39:25.723Z	183.432° SSW	2025-12-15 18:41:25.723Z	223.219° SW	34.596°	2025-12-15 18:44:25.723Z	336.348° NNW
4 mins	2025-12-16 07:19:25.723Z	8.868° NNE	2025-12-16 07:21:25.723Z	207.773° SW	41.563°	2025-12-16 07:23:25.723Z	195.567° SSW

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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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

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out ELSA-D CLIENT, 51288 on other resources

View ELSA-D CLIENT, 51288 on NASA - NSSDCA Website

View ELSA-D CLIENT, 51288 on Heavens-Above

View ELSA-D CLIENT, 51288 on Keep Track

View ELSA-D CLIENT, 51288 on Celestrak

View ELSA-D CLIENT, 51288 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

ELSA-D CLIENT, 51288

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-12-14T16:32:25.103Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #22 in the year 2021 (2021-03-22 UTC)

ELSA-D CLIENT Visibility forecast

Co-orbital & Co-planar RSOs

Check out ELSA-D CLIENT, 51288 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago