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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: 15 hours ago

TLE from 15 hours ago

0 WNISAT 1R
1 42835U 17042L   26217.99518612  .00001312  00000-0  10476-3 0  9993
2 42835  97.4797  12.3330 0008412 345.0934  15.0042 15.01915236493980

Epoch: 2026-08-05T23:53Z

TLE epoch observation values (Epoch: 2026-08-05T23:53:04.080Z)

Latitude

-0.00003°

Longitude

59.52441°

Altitude

558.415 km

Speed

7.585 km/s

True Right ascension

00h 49m 19s

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

04:24:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

563.819 km

Perigee altitude

552.149 km

Semi-major axis

6,936.121 km

Eccentricity

0.00084

Inclination

97.4797°

RAAN

12.333°

Arg. of periapsis

345.0934°

True anomaly

15.02918°

Mean anomaly

15.0042°

Eccentric anomaly

15.01669°

Mean motion

3.75723 °/min

Orbital period

95.82 mins

BSTAR

0.00010476

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

CORVUS BC2, 42846

LEMUR 2 FURIAUS, 42840

LEMUR 2 DEMBITZ, 42842

OBJECT K, 42834

OBJECT M, 42836

FLOCK 2K 41, 42875 (Decayed)

FLOCK 2K 40, 42865 (Decayed)

CORVUS BC1, 42847

LEMUR 2 GREENBERG, 42837

NORSAT 1, 42826

OBJECT H, 42832

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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	2026-08-06 22:49:47.614Z	24.976° NE	2026-08-06 22:53:47.614Z	108.245° ESE	35.444°	2026-08-06 22:56:47.614Z	169.679° S
4 mins	2026-08-07 09:37:47.614Z	99.945° ESE	2026-08-07 09:38:47.614Z	78.237° E	22.055°	2026-08-07 09:41:47.614Z	20.754° NNE
4 mins	2026-08-07 11:12:47.614Z	237.63° WSW	2026-08-07 11:13:47.614Z	259.502° W	21.459°	2026-08-07 11:16:47.614Z	314.743° NW

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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: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-08-05T23:53:04.080Z)

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: 15 hours ago