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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: 6 hours ago

TLE from 6 hours ago

0 WNISAT 1R
1 42835U 17042L   26261.69758102  .00001924  00000-0  15073-3 0  9996
2 42835  97.4948  54.5119 0008702 169.7227 190.4178 15.02105752500543

Epoch: 2026-09-18T16:44Z

TLE epoch observation values (Epoch: 2026-09-18T16:44:31.000Z)

Latitude

0.00003°

Longitude

165.76599°

Altitude

569.407 km

Speed

7.573 km/s

True Right ascension

03h 38m 02s

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

15:56:06

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

563.433 km

Perigee altitude

551.362 km

Semi-major axis

6,935.535 km

Eccentricity

0.00087

Inclination

97.4948°

RAAN

54.5119°

Arg. of periapsis

169.7227°

True anomaly

190.39979°

Mean anomaly

190.4178°

Eccentric anomaly

190.40879°

Mean motion

3.75771 °/min

Orbital period

95.8 mins

BSTAR

0.00015073

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

FLOCK 2K 30, 42872 (Decayed)

FLOCK 2K 24, 42857 (Decayed)

FLOCK 2K 08, 42863 (Decayed)

FLOCK 2K 20, 42885 (Decayed)

OBJECT F, 42830 (Decayed)

FLOCK 2K 46, 42858 (Decayed)

FLOCK 2K 06, 42897 (Decayed)

TECHNOSAT, 42829

LEMUR 2 ANDIS, 42838

NANOACE, 42844

FLOCK 2K 17, 42888 (Decayed)

FLOCK 2K 09, 42896 (Decayed)

NORSAT 1, 42826

CORVUS BC1, 42847

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.
6 mins	2026-09-18 23:42:04.240Z	349.497° N	2026-09-18 23:45:04.240Z	285.488° WNW	35.902°	2026-09-18 23:48:04.240Z	224.964° SW
6 mins	2026-09-19 10:28:04.240Z	177.57° S	2026-09-19 10:30:04.240Z	224.406° SW	69.891°	2026-09-19 10:34:04.240Z	343.606° 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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-09-18T16:44:31.000Z)

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: 6 hours ago