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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   26023.92858781  .00006110  00000-0  48580-3 0  9993
2 42835  97.4300 185.6688 0011828 287.6263  72.3669 15.00724386464860

Epoch: 2026-01-23T22:17Z

TLE epoch observation values (Epoch: 2026-01-23T22:17:09.986Z)

Latitude

-0.0001°

Longitude

88.11684°

Altitude

565.245 km

Speed

7.58 km/s

True Right ascension

12h 22m 40s

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

10:49:00

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

569.862 km

Perigee altitude

553.446 km

Semi-major axis

6,939.791 km

Eccentricity

0.00118

Inclination

97.43°

RAAN

185.6688°

Arg. of periapsis

287.6263°

True anomaly

72.49613°

Mean anomaly

72.3669°

Eccentric anomaly

72.43151°

Mean motion

3.75425 °/min

Orbital period

95.89 mins

BSTAR

0.0004858

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

LEMUR 2 FURIAUS, 42840

LEMUR 2 DEMBITZ, 42842

FLOCK 2K 36, 42876 (Decayed)

FLOCK 2K 07, 42862 (Decayed)

FLOCK 2K 09, 42896 (Decayed)

LEMUR 2 ZACHARY, 42845

FLOCK 2K 35, 42877 (Decayed)

FLOCK 2K 12, 42893 (Decayed)

FLOCK 2K 26, 42883 (Decayed)

FLOCK 2K 25, 42884 (Decayed)

FLYING LAPTOP, 42831

LEMUR 2 GREENBERG, 42837

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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.
4 mins	2026-01-24 09:38:35.496Z	104.58° ESE	2026-01-24 09:40:35.496Z	74.168° E	15.596°	2026-01-24 09:42:35.496Z	39.645° NE
5 mins	2026-01-24 11:13:35.496Z	207.751° SW	2026-01-24 11:15:35.496Z	257.44° W	30.977°	2026-01-24 11:18:35.496Z	324.685° NNW
5 mins	2026-01-24 22:52:35.496Z	45.899° ENE	2026-01-24 22:54:35.496Z	85.291° E	25.465°	2026-01-24 22:57:35.496Z	149.177° SSE
4 mins	2026-01-25 00:28:35.496Z	316.384° NNW	2026-01-25 00:29:35.496Z	296.706° NW	19.295°	2026-01-25 00:32:35.496Z	245.671° WSW

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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: 2026-01-23T22:17:09.986Z)

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