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LEMUR 2 GREENBERG, 42837

Orbit data source: Space-Track

LEMUR 2 GREENBERG, 42837 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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https://www.satcat.com/sats-embedded/42837?theme=dark&initialShowStats=false

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Identifier

42837, 2017-042N

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: 10 hours ago

TLE from 10 hours ago

0 LEMUR 2 GREENBERG
1 42837U 17042N   26071.01595226  .00017052  00000-0  62388-3 0  9999
2 42837  97.3783 252.3292 0008946 355.0679   5.0471 15.28084562473530

Epoch: 2026-03-12T00:22Z

TLE epoch observation values (Epoch: 2026-03-12T00:22:58.275Z)

Latitude

-0°

Longitude

76.91449°

Altitude

478.527 km

Speed

7.63 km/s

True Right ascension

16h 49m 19s

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

14:49:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

484.626 km

Perigee altitude

472.359 km

Semi-major axis

6,856.63 km

Eccentricity

0.00089

Inclination

97.3783°

RAAN

252.3292°

Arg. of periapsis

355.0679°

True anomaly

5.05613°

Mean anomaly

5.0471°

Eccentric anomaly

5.05161°

Mean motion

3.82276 °/min

Orbital period

94.17 mins

BSTAR

0.00062388

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

NORSAT 2, 42828

LEMUR 2 MONSON, 42839

LEMUR 2 ZACHARY, 42845

OBJECT J, 42833

CORVUS BC1, 42847

FLOCK 2K 25, 42884 (Decayed)

FLOCK 2K 43, 42874 (Decayed)

FLOCK 2K 13, 42891 (Decayed)

FLOCK 2K 40, 42865 (Decayed)

FLOCK 2K 39, 42866 (Decayed)

FLOCK 2K 19, 42886 (Decayed)

CORVUS BC2, 42846

LEMUR 2 DEMBITZ, 42842

LEMUR 2 FURIAUS, 42840

FLYING LAPTOP, 42831

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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 GREENBERG 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.
5 mins	2026-03-12 11:31:36.825Z	128.732° SE	2026-03-12 11:33:36.825Z	85.272° E	26.931°	2026-03-12 11:36:36.825Z	13.135° NNE
4 mins	2026-03-13 00:32:36.825Z	43.772° NE	2026-03-13 00:34:36.825Z	122.445° SE	33.173°	2026-03-13 00:36:36.825Z	165.95° S

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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 GREENBERG, 42837 on other resources

View LEMUR 2 GREENBERG, 42837 on NASA - NSSDCA Website

View LEMUR 2 GREENBERG, 42837 on Heavens-Above

View LEMUR 2 GREENBERG, 42837 on Keep Track

View LEMUR 2 GREENBERG, 42837 on Celestrak

View LEMUR 2 GREENBERG, 42837 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 GREENBERG, 42837

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-03-12T00:22:58.275Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

LEMUR 2 GREENBERG Visibility forecast

Co-orbital & Co-planar RSOs

Check out LEMUR 2 GREENBERG, 42837 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago