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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 (9 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: 11 hours ago

TLE from 11 hours ago

0 WNISAT 1R
1 42835U 17042L   26169.42452033  .00001781  00000-0  14105-3 0  9994
2 42835  97.4839 325.5022 0011311 143.3168 216.8834 15.01767059486692

Epoch: 2026-06-18T10:11Z

TLE epoch observation values (Epoch: 2026-06-18T10:11:18.556Z)

Latitude

0.00003°

Longitude

-93.99317°

Altitude

570.794 km

Speed

7.572 km/s

True Right ascension

21h 42m 00s

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

07:46:33

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

566.287 km

Perigee altitude

550.595 km

Semi-major axis

6,936.578 km

Eccentricity

0.00113

Inclination

97.4839°

RAAN

325.5022°

Arg. of periapsis

143.3168°

True anomaly

216.80569°

Mean anomaly

216.8834°

Eccentric anomaly

216.84454°

Mean motion

3.75686 °/min

Orbital period

95.82 mins

BSTAR

0.00014105

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

OBJECT H, 42832

OBJECT K, 42834

OBJECT M, 42836

LEMUR 2 PETERG, 42841

OBJECT Z, 42848

FLOCK 2K 23, 42859 (Decayed)

FLOCK 2K 02, 42853 (Decayed)

FLOCK 2K 30, 42872 (Decayed)

FLOCK 2K 33, 42879 (Decayed)

FLOCK 2K 26, 42883 (Decayed)

FLOCK 2K 40, 42865 (Decayed)

FREGAT DEB, 44608 (Decayed)

FLOCK 2K 17, 42888 (Decayed)

FLOCK 2K 25, 42884 (Decayed)

FLOCK 2K 36, 42876 (Decayed)

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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.
7 mins	2026-06-18 23:32:34.925Z	1.979° NNE	2026-06-18 23:35:34.925Z	306.76° NW	39.682°	2026-06-18 23:39:34.925Z	206.616° SW
6 mins	2026-06-19 10:18:34.925Z	156.225° SSE	2026-06-19 10:21:34.925Z	49.43° ENE	42.679°	2026-06-19 10:24:34.925Z	354.411° N

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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: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-06-18T10:11:18.556Z)

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: 11 hours ago