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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: 5 hours ago

TLE from 5 hours ago

0 WNISAT 1R
1 42835U 17042L   26170.15745089  .00001744  00000-0  13819-3 0  9992
2 42835  97.4836 326.2092 0011329 141.1831 219.0210 15.01769530486808

Epoch: 2026-06-19T03:46Z

TLE epoch observation values (Epoch: 2026-06-19T03:46:43.756Z)

Latitude

-0.00004°

Longitude

2.13643°

Altitude

570.616 km

Speed

7.572 km/s

True Right ascension

21h 44m 50s

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

19:14:30

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

566.292 km

Perigee altitude

550.575 km

Semi-major axis

6,936.57 km

Eccentricity

0.00113

Inclination

97.4836°

RAAN

326.2092°

Arg. of periapsis

141.1831°

True anomaly

218.93935°

Mean anomaly

219.021°

Eccentric anomaly

218.98017°

Mean motion

3.75687 °/min

Orbital period

95.82 mins

BSTAR

0.00013819

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

OBJECT C, 42827

FLOCK 2K 19, 42886 (Decayed)

FLOCK 2K 02, 42853 (Decayed)

FLOCK 2K 30, 42872 (Decayed)

FLOCK 2K 16, 42889 (Decayed)

FLOCK 2K 26, 42883 (Decayed)

FLOCK 2K 24, 42857 (Decayed)

FLOCK 2K 25, 42884 (Decayed)

FREGAT DEB, 44608 (Decayed)

FLOCK 2K 17, 42888 (Decayed)

FLOCK 2K 33, 42879 (Decayed)

NORSAT 2, 42828

OBJECT J, 42833

LEMUR 2 MONSON, 42839

LEMUR 2 ZACHARY, 42845

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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	2026-06-19 10:17:39.188Z	158.459° S	2026-06-19 10:21:39.188Z	42.786° NE	42.372°	2026-06-19 10:24:39.188Z	354.252° N
6 mins	2026-06-19 23:32:39.188Z	358.479° N	2026-06-19 23:34:39.188Z	316.655° NNW	39.301°	2026-06-19 23:38:39.188Z	206.406° SW

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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: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-06-19T03:46:43.756Z)

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: 5 hours ago