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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: 14 hours ago

TLE from 14 hours ago

0 LEMUR 2 GREENBERG
1 42837U 17042N   26023.90283671  .00027946  00000-0  10829-2 0  9997
2 42837  97.3730 205.7611 0009769 151.2092 208.9688 15.26073100466347

Epoch: 2026-01-23T21:40Z

TLE epoch observation values (Epoch: 2026-01-23T21:40:05.091Z)

Latitude

0.00001°

Longitude

117.50491°

Altitude

496.535 km

Speed

7.613 km/s

True Right ascension

13h 43m 02s

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

12:40:39

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

491.225 km

Perigee altitude

477.817 km

Semi-major axis

6,862.658 km

Eccentricity

0.00098

Inclination

97.373°

RAAN

205.7611°

Arg. of periapsis

151.2092°

True anomaly

208.91464°

Mean anomaly

208.9688°

Eccentric anomaly

208.94171°

Mean motion

3.81772 °/min

Orbital period

94.3 mins

BSTAR

0.0010829

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

FLOCK 2K 07, 42862 (Decayed)

FLOCK 2K 35, 42877 (Decayed)

FLOCK 2K 33, 42879 (Decayed)

FLOCK 2K 30, 42872 (Decayed)

FLOCK 2K 09, 42896 (Decayed)

FLOCK 2K 48, 42855 (Decayed)

FLOCK 2K 13, 42891 (Decayed)

FLOCK 2K 25, 42884 (Decayed)

FLOCK 2K 26, 42883 (Decayed)

FLOCK 2K 12, 42893 (Decayed)

FLOCK 2K 06, 42897 (Decayed)

FLOCK 2K 36, 42876 (Decayed)

LEMUR 2 ZACHARY, 42845

NORSAT 1, 42826

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.
7 mins	2026-01-24 11:56:55.301Z	162.083° S	2026-01-24 12:00:55.301Z	17.018° NNE	41.916°	2026-01-24 12:03:55.301Z	351.562° N
5 mins	2026-01-25 00:59:55.301Z	3.402° NNE	2026-01-25 01:01:55.301Z	250.663° W	43.293°	2026-01-25 01:04:55.301Z	199.37° SSW

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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: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-01-23T21:40:05.091Z)

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: 14 hours ago