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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   26051.26334930  .00003516  00000-0  27958-3 0  9999
2 42835  97.4429 211.8334 0012413 188.9106 171.1900 15.00985747468963

Epoch: 2026-02-20T06:19Z

TLE epoch observation values (Epoch: 2026-02-20T06:19:13.379Z)

Latitude

-0.00005°

Longitude

-33.17514°

Altitude

575.436 km

Speed

7.568 km/s

True Right ascension

14h 07m 20s

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

00:12:54

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

569.461 km

Perigee altitude

552.235 km

Semi-major axis

6,938.985 km

Eccentricity

0.00124

Inclination

97.4429°

RAAN

211.8334°

Arg. of periapsis

188.9106°

True anomaly

171.21175°

Mean anomaly

171.19°

Eccentric anomaly

171.20088°

Mean motion

3.75491 °/min

Orbital period

95.87 mins

BSTAR

0.00027958

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

FLOCK 2K 39, 42866 (Decayed)

FLOCK 2K 32, 42870 (Decayed)

FLOCK 2K 25, 42884 (Decayed)

FLOCK 2K 08, 42863 (Decayed)

FLOCK 2K 26, 42883 (Decayed)

OBJECT U, 42843

OBJECT AA, 42849

LEMUR 2 GREENBERG, 42837

FLOCK 2K 14, 42892 (Decayed)

FLOCK 2K 29, 42871 (Decayed)

FLOCK 2K 16, 42889 (Decayed)

FLOCK 2K 41, 42875 (Decayed)

FLOCK 2K 38, 42868 (Decayed)

FLOCK 2K 20, 42885 (Decayed)

FLOCK 2K 44, 42873 (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.
6 mins	2026-02-20 22:54:07.842Z	40.458° NE	2026-02-20 22:57:07.842Z	109.298° ESE	27.621°	2026-02-20 23:00:07.842Z	160.283° S
4 mins	2026-02-21 00:30:07.842Z	318.075° NNW	2026-02-21 00:31:07.842Z	300.109° NW	16.915°	2026-02-21 00:34:07.842Z	250.263° W
4 mins	2026-02-21 09:41:07.842Z	98.221° ESE	2026-02-21 09:43:07.842Z	61.644° ENE	17.582°	2026-02-21 09:45:07.842Z	28.981° NE
6 mins	2026-02-21 11:15:07.842Z	208.604° SW	2026-02-21 11:17:07.842Z	248.315° W	27.494°	2026-02-21 11:21:07.842Z	326.918° 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: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-02-20T06:19:13.379Z)

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