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LEMUR 2 ZACHARY, 42845

Orbit data source: Space-Track

LEMUR 2 ZACHARY, 42845 is a payload satellite owned by Spire (US) 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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Iframe URL

https://www.satcat.com/sats-embedded/42845?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42845, 2017-042W

Orbit

SSO

Country

Related business

Spire Global (US)

Manufacturer

Spire/Glasgow

Mission

Operational Commercial Com/MetRO

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

4 kg wet, 4 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, 0.5 m

Radar Cross Section

0.093 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 LEMUR 2 ZACHARY
1 42845U 17042W   26069.95001039  .00049860  00000-0  11579-2 0  9999
2 42845  97.3658 260.0555 0003662  12.7546 347.3793 15.42199339474027

Epoch: 2026-03-10T22:48Z

TLE epoch observation values (Epoch: 2026-03-10T22:48:00.897Z)

Latitude

-0.00006°

Longitude

109.43052°

Altitude

440.304 km

Speed

7.649 km/s

True Right ascension

17h 20m 13s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

09:27:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

439.05 km

Perigee altitude

434.059 km

Semi-major axis

6,814.691 km

Eccentricity

0.00037

Inclination

97.3658°

RAAN

260.0555°

Arg. of periapsis

12.7546°

True anomaly

347.37013°

Mean anomaly

347.3793°

Eccentric anomaly

347.37471°

Mean motion

3.8581 °/min

Orbital period

93.31 mins

BSTAR

0.0011579

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

LEMUR 2 PETERG, 42841

FLOCK 2K 27, 42882 (Decayed)

LEMUR 2 MONSON, 42839

FLOCK 2K 25, 42884 (Decayed)

OBJECT J, 42833

FLOCK 2K 21, 42860 (Decayed)

FLOCK 2K 22, 42861 (Decayed)

FLOCK 2K 16, 42889 (Decayed)

FLOCK 2K 28, 42880 (Decayed)

FLOCK 2K 34, 42878 (Decayed)

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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LEMUR 2 ZACHARY 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	2026-03-11 12:56:13.461Z	186.143° SSW	2026-03-11 12:59:13.461Z	264.631° W	36.104°	2026-03-11 13:02:13.461Z	335.378° NNW
5 mins	2026-03-12 01:50:13.461Z	349.253° N	2026-03-12 01:52:13.461Z	289.383° WNW	33.699°	2026-03-12 01:55:13.461Z	215.199° 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 LEMUR 2 ZACHARY, 42845 on other resources

View LEMUR 2 ZACHARY, 42845 on NASA - NSSDCA Website

View LEMUR 2 ZACHARY, 42845 on Heavens-Above

View LEMUR 2 ZACHARY, 42845 on Keep Track

View LEMUR 2 ZACHARY, 42845 on Celestrak

View LEMUR 2 ZACHARY, 42845 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

LEMUR 2 ZACHARY, 42845

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-03-10T22:48:00.897Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

LEMUR 2 ZACHARY Visibility forecast

Co-orbital & Co-planar RSOs

Check out LEMUR 2 ZACHARY, 42845 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago