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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: 8 hours ago

TLE from 8 hours ago

0 WNISAT 1R
1 42835U 17042L   26045.39675772  .00004313  00000-0  34235-3 0  9990
2 42835  97.4391 206.2131 0012066 208.8390 151.2169 15.00940009468086

Epoch: 2026-02-14T09:31Z

TLE epoch observation values (Epoch: 2026-02-14T09:31:19.867Z)

Latitude

0°

Longitude

-81.04009°

Altitude

574.405 km

Speed

7.57 km/s

True Right ascension

13h 44m 51s

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

19:45:08

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

569.362 km

Perigee altitude

552.616 km

Semi-major axis

6,939.126 km

Eccentricity

0.00121

Inclination

97.4391°

RAAN

206.2131°

Arg. of periapsis

208.839°

True anomaly

151.28339°

Mean anomaly

151.2169°

Eccentric anomaly

151.25015°

Mean motion

3.75479 °/min

Orbital period

95.88 mins

BSTAR

0.00034235

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

FLOCK 2K 44, 42873 (Decayed)

FLOCK 2K 19, 42886 (Decayed)

FLOCK 2K 33, 42879 (Decayed)

FLOCK 2K 35, 42877 (Decayed)

FLOCK 2K 32, 42870 (Decayed)

FLOCK 2K 46, 42858 (Decayed)

FLOCK 2K 29, 42871 (Decayed)

FLOCK 2K 41, 42875 (Decayed)

FLOCK 2K 11, 42894 (Decayed)

FLOCK 2K 31, 42869 (Decayed)

FLOCK 2K 48, 42855 (Decayed)

FLOCK 2K 17, 42888 (Decayed)

FLOCK 2K 22, 42861 (Decayed)

FLOCK 2K 20, 42885 (Decayed)

FLOCK 2K 03, 42850 (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.
6 mins	2026-02-14 22:53:41.499Z	35.278° NE	2026-02-14 22:56:41.499Z	90.072° ESE	27.751°	2026-02-14 22:59:41.499Z	154.811° SSE
4 mins	2026-02-15 09:41:41.499Z	91.774° ESE	2026-02-15 09:42:41.499Z	73.537° E	17.443°	2026-02-15 09:45:41.499Z	24.666° NE
5 mins	2026-02-15 11:15:41.499Z	213.136° SW	2026-02-15 11:17:41.499Z	260.535° W	28.462°	2026-02-15 11:20:41.499Z	322.399° 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: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-02-14T09:31:19.867Z)

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: 8 hours ago