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WNISAT 1R, 42835

Orbit data source: Space-Track

WNISAT 1R, 42835 is a payload satellite owned by WNI (JP) in SSO that was launched on Fri, 14 Jul 2017 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/42835?theme=dark&initialShowStats=false

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Identifier

42835, 2017-042L

Orbit

SSO

Country

JP / JPN

Related business

Weathernews Inc. (JP)

Manufacturer

AXELSPACE

Mission

Operational Commercial Weather

Bus & Motor

HODOYOSHI, Unknown motor

Mass

40 kg wet, 40 kg dry

Launch date (UTC)

2017-07-14 (8 years ago)

Launch vehicle

SOYUZ-2-1A

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 0.8 m

Radar Cross Section

0.514 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 22 hours ago

TLE from 22 hours ago

0 WNISAT 1R
1 42835U 17042L   25355.92042877  .00003142  00000-0  25389-3 0  9995
2 42835  97.4184 154.1413 0013930  34.6677 325.5452 15.00422540459912

Epoch: 2025-12-21T22:05Z

TLE epoch observation values (Epoch: 2025-12-21T22:05:25.045Z)

Latitude

-0.0001°

Longitude

92.061°

Altitude

560.683 km

Speed

7.585 km/s

True Right ascension

10h 16m 33s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

19:02:39

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

572.253 km

Perigee altitude

552.916 km

Semi-major axis

6,940.722 km

Eccentricity

0.00139

Inclination

97.4184°

RAAN

154.1413°

Arg. of periapsis

34.6677°

True anomaly

325.45476°

Mean anomaly

325.5452°

Eccentric anomaly

325.49999°

Mean motion

3.7535 °/min

Orbital period

95.91 mins

BSTAR

0.00025389

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Other satellites on launch #42 in the year 2017 (2017-07-14 UTC)

OBJECT AA, 42849

OBJECT U, 42843

CORVUS BC2, 42846

FLOCK 2K 21, 42860 (Decayed)

LEMUR 2 PETERG, 42841

FLOCK 2K 27, 42882 (Decayed)

LEMUR 2 ZACHARY, 42845

LEMUR 2 MONSON, 42839

LEMUR 2 ANDIS, 42838

FLOCK 2K 25, 42884 (Decayed)

TECHNOSAT, 42829

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WNISAT 1R 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	2025-12-22 22:40:37.913Z	47.567° ENE	2025-12-22 22:43:37.913Z	96.876° ESE	18.394°	2025-12-22 22:45:37.913Z	131.777° SE
5 mins	2025-12-23 00:16:37.913Z	333.569° NNW	2025-12-23 00:18:37.913Z	286.824° WNW	26.358°	2025-12-23 00:21:37.913Z	231.374° WSW
5 mins	2025-12-23 11:02:37.913Z	190.281° SSW	2025-12-23 11:04:37.913Z	254.363° W	39.81°	2025-12-23 11:07:37.913Z	335.531° NNW

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

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Check out WNISAT 1R, 42835 on other resources

View WNISAT 1R, 42835 on NASA - NSSDCA Website

View WNISAT 1R, 42835 on Heavens-Above

View WNISAT 1R, 42835 on Keep Track

View WNISAT 1R, 42835 on Celestrak

View WNISAT 1R, 42835 on Gunter's Space Page

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

WNISAT 1R, 42835

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2025-12-21T22:05:25.045Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #42 in the year 2017 (2017-07-14 UTC)

WNISAT 1R Visibility forecast

Co-orbital & Co-planar RSOs

Check out WNISAT 1R, 42835 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 22 hours ago