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LEMUR 2 PETERG, 42841

Orbit data source: Space-Track

LEMUR 2 PETERG, 42841 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 src="https://www.satcat.com/sats-embedded/42841?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/42841?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42841, 2017-042S

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: 13 hours ago

TLE from 13 hours ago

0 LEMUR 2 PETERG
1 42841U 17042S   26145.26045974  .00019029  00000-0  60244-3 0  9998
2 42841  97.3995 330.2733 0004958  74.2931 285.8858 15.32784587484927

Epoch: 2026-05-25T06:15Z

TLE epoch observation values (Epoch: 2026-05-25T06:15:03.721Z)

Latitude

0°

Longitude

-6.34301°

Altitude

469.689 km

Speed

7.632 km/s

True Right ascension

22h 01m 05s

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

04:04:50

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

467.85 km

Perigee altitude

461.065 km

Semi-major axis

6,842.594 km

Eccentricity

0.0005

Inclination

97.3995°

RAAN

330.2733°

Arg. of periapsis

74.2931°

True anomaly

285.83115°

Mean anomaly

285.8858°

Eccentric anomaly

285.85847°

Mean motion

3.83453 °/min

Orbital period

93.88 mins

BSTAR

0.00060244

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

OBJECT C, 42827

FLOCK 2K 41, 42875 (Decayed)

OBJECT F, 42830 (Decayed)

LEMUR 2 GREENBERG, 42837

TECHNOSAT, 42829

LEMUR 2 ANDIS, 42838

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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 PETERG 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.
4 mins	2026-05-26 01:37:49.951Z	336.74° NNW	2026-05-26 01:38:49.951Z	306.07° NW	31.369°	2026-05-26 01:41:49.951Z	220.892° SW
5 mins	2026-05-26 12:09:49.951Z	146.896° SSE	2026-05-26 12:11:49.951Z	74.516° E	39.797°	2026-05-26 12:14:49.951Z	358.065° N

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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 PETERG, 42841 on other resources

View LEMUR 2 PETERG, 42841 on NASA - NSSDCA Website

View LEMUR 2 PETERG, 42841 on Heavens-Above

View LEMUR 2 PETERG, 42841 on Keep Track

View LEMUR 2 PETERG, 42841 on Celestrak

View LEMUR 2 PETERG, 42841 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 PETERG, 42841

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: 2026-05-25T06:15:03.721Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

LEMUR 2 PETERG Visibility forecast

Co-orbital & Co-planar RSOs

Check out LEMUR 2 PETERG, 42841 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago