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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: 13 hours ago

TLE from 13 hours ago

0 WNISAT 1R
1 42835U 17042L   26201.40567913  .00000420  00000-0  36550-4 0  9991
2 42835  97.4814 356.3408 0010157  47.7881 312.4205 15.01863475491499

Epoch: 2026-07-20T09:44Z

TLE epoch observation values (Epoch: 2026-07-20T09:44:10.676Z)

Latitude

0°

Longitude

-87.89387°

Altitude

559.462 km

Speed

7.584 km/s

True Right ascension

23h 45m 21s

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

11:20:50

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

565.189 km

Perigee altitude

551.098 km

Semi-major axis

6,936.281 km

Eccentricity

0.00102

Inclination

97.4814°

RAAN

356.3408°

Arg. of periapsis

47.7881°

True anomaly

312.33451°

Mean anomaly

312.4205°

Eccentric anomaly

312.37751°

Mean motion

3.7571 °/min

Orbital period

95.82 mins

BSTAR

0.00003655

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

FLOCK 2K 30, 42872 (Decayed)

FLOCK 2K 32, 42870 (Decayed)

OBJECT C, 42827

FLOCK 2K 01, 42852 (Decayed)

FLOCK 2K 31, 42869 (Decayed)

FLOCK 2K 15, 42890 (Decayed)

FLYING LAPTOP, 42831

CORVUS BC2, 42846

FLOCK 2K 36, 42876 (Decayed)

FLOCK 2K 43, 42874 (Decayed)

FLOCK 2K 16, 42889 (Decayed)

FLOCK 2K 07, 42862 (Decayed)

FLOCK 2K 45, 42856 (Decayed)

FLOCK 2K 27, 42882 (Decayed)

FLOCK 2K 41, 42875 (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.
7 mins	2026-07-20 23:05:27.577Z	18.013° NNE	2026-07-20 23:08:27.577Z	55.019° ENE	41.213°	2026-07-20 23:12:27.577Z	184.301° SSW
5 mins	2026-07-21 09:52:27.577Z	122.25° SE	2026-07-21 09:54:27.577Z	71.225° E	29.354°	2026-07-21 09:57:27.577Z	10.639° NNE

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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: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-07-20T09:44:10.676Z)

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: 13 hours ago