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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   26079.39346811  .00003316  00000-0  26215-3 0  9997
2 42835  97.4562 238.8165 0013549  98.4876 261.7885 15.01236225473181

Epoch: 2026-03-20T09:26Z

TLE epoch observation values (Epoch: 2026-03-20T09:26:35.644Z)

Latitude

-0.00003°

Longitude

-80.76119°

Altitude

567.503 km

Speed

7.577 km/s

True Right ascension

15h 55m 15s

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

22:28:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

569.477 km

Perigee altitude

550.676 km

Semi-major axis

6,938.213 km

Eccentricity

0.00135

Inclination

97.4562°

RAAN

238.8165°

Arg. of periapsis

98.4876°

True anomaly

261.63487°

Mean anomaly

261.7885°

Eccentric anomaly

261.71168°

Mean motion

3.75553 °/min

Orbital period

95.86 mins

BSTAR

0.00026215

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

FLOCK 2K 12, 42893 (Decayed)

OBJECT U, 42843

LEMUR 2 GREENBERG, 42837

FLOCK 2K 22, 42861 (Decayed)

FLOCK 2K 23, 42859 (Decayed)

FREGAT DEB, 44608 (Decayed)

LEMUR 2 DEMBITZ, 42842

LEMUR 2 FURIAUS, 42840

FLOCK 2K 16, 42889 (Decayed)

OBJECT F, 42830 (Decayed)

NORSAT 2, 42828

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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	2026-03-20 22:48:44.261Z	36.45° NE	2026-03-20 22:51:44.261Z	91.768° ESE	26.863°	2026-03-20 22:54:44.261Z	154.101° SSE
5 mins	2026-03-21 11:10:44.261Z	213.24° SW	2026-03-21 11:12:44.261Z	263.959° W	28.852°	2026-03-21 11:15:44.261Z	324.261° 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: 2026-03-20T09:26:35.644Z)

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