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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, Medium (>0.1 m² and < 1m²)

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

TLE from 10 hours ago

0 LEMUR 2 GREENBERG
1 42837U 17042N   26168.47908919  .00012423  00000-0  41240-3 0  9994
2 42837  97.3816 349.1017 0008508  13.0067 347.1392 15.31334775488438

Epoch: 2026-06-17T11:29Z

TLE epoch observation values (Epoch: 2026-06-17T11:29:53.306Z)

Latitude

-0.00007°

Longitude

-89.10658°

Altitude

469.253 km

Speed

7.635 km/s

True Right ascension

23h 16m 24s

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

08:34:23

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

474.604 km

Perigee altitude

462.953 km

Semi-major axis

6,846.916 km

Eccentricity

0.00085

Inclination

97.3816°

RAAN

349.1017°

Arg. of periapsis

13.0067°

True anomaly

347.11748°

Mean anomaly

347.1392°

Eccentric anomaly

347.12834°

Mean motion

3.8309 °/min

Orbital period

93.97 mins

BSTAR

0.0004124

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

FLOCK 2K 27, 42882 (Decayed)

FLOCK 2K 25, 42884 (Decayed)

FLOCK 2K 05, 42864 (Decayed)

FLOCK 2K 15, 42890 (Decayed)

FLOCK 2K 07, 42862 (Decayed)

FLOCK 2K 31, 42869 (Decayed)

FLOCK 2K 02, 42853 (Decayed)

FLOCK 2K 26, 42883 (Decayed)

FLOCK 2K 01, 42852 (Decayed)

FLOCK 2K 04, 42851 (Decayed)

FLOCK 2K 48, 42855 (Decayed)

FLOCK 2K 18, 42887 (Decayed)

FLOCK 2K 29, 42871 (Decayed)

OBJECT H, 42832

OBJECT K, 42834

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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.
6 mins	2026-06-18 00:36:13.696Z	26.038° NE	2026-06-18 00:39:13.696Z	95.485° ESE	35.8°	2026-06-18 00:42:13.696Z	171.88° S
4 mins	2026-06-18 12:44:13.696Z	225.704° WSW	2026-06-18 12:45:13.696Z	251.586° W	23.796°	2026-06-18 12:48:13.696Z	319.604° NNW

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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: 2026-06-17T11:29:53.306Z)

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