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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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ISO8601 Format

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 (8 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: 16 hours ago

TLE from 16 hours ago

0 LEMUR 2 GREENBERG
1 42837U 17042N   25339.23302385  .00026781  00000-0  11033-2 0  9990
2 42837  97.3700 156.8416 0009831 339.4673  20.6168 15.24029130458770

Epoch: 2025-12-05T05:35Z

TLE epoch observation values (Epoch: 2025-12-05T05:35:33.260Z)

Latitude

-0.00002°

Longitude

-1.32504°

Altitude

490.476 km

Speed

7.623 km/s

True Right ascension

10h 27m 21s

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

19:31:32

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

497.414 km

Perigee altitude

483.909 km

Semi-major axis

6,868.798 km

Eccentricity

0.00098

Inclination

97.37°

RAAN

156.8416°

Arg. of periapsis

339.4673°

True anomaly

20.65651°

Mean anomaly

20.6168°

Eccentric anomaly

20.63665°

Mean motion

3.81261 °/min

Orbital period

94.42 mins

BSTAR

0.0011033

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

FLOCK 2K 22, 42861 (Decayed)

FLOCK 2K 07, 42862 (Decayed)

FLOCK 2K 17, 42888 (Decayed)

FLOCK 2K 02, 42853 (Decayed)

OBJECT J, 42833

FLOCK 2K 31, 42869 (Decayed)

LEMUR 2 ZACHARY, 42845

LEMUR 2 MONSON, 42839

FLOCK 2K 18, 42887 (Decayed)

FLOCK 2K 15, 42890 (Decayed)

TECHNOSAT, 42829

FLOCK 2K 47, 42854 (Decayed)

FLOCK 2K 06, 42897 (Decayed)

FLOCK 2K 11, 42894 (Decayed)

LEMUR 2 ARTFISCHER, 42881 (Decayed)

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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.
6 mins	2025-12-06 01:03:16.891Z	4.516° NNE	2025-12-06 01:06:16.891Z	316.528° NNW	40.576°	2025-12-06 01:09:16.891Z	206.122° SW
4 mins	2025-12-06 11:41:16.891Z	125.891° SE	2025-12-06 11:42:16.891Z	95.704° ESE	32.608°	2025-12-06 11:45:16.891Z	7.995° NNE

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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: 16 hours ago

TLE from 16 hours ago

TLE epoch observation values (Epoch: 2025-12-05T05:35:33.260Z)

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: 16 hours ago