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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42837 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Spire/Glasgow
Mission
Operational Commercial Com/MetRO
Bus & Motor
CUBESAT 3U, Unknown motor
Mass
4 kg wet, 4 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.5 m
Radar Cross Section
0.093 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 LEMUR 2 GREENBERG
1 42837U 17042N 26119.44521797 .00015755 00000-0 54746-3 0 9998
2 42837 97.3803 300.3577 0009600 170.3455 189.7971 15.29785480480936Epoch: 2026-04-29T10:41Z
TLE epoch observation values (Epoch: 2026-04-29T10:41:06.832Z)
Latitude
-0.00011°
Longitude
-77.32683°
Altitude
486.043 km
Speed
7.619 km/s
True Right ascension
20h 01m 25s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
04:41:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
479.982 km
Perigee altitude
466.827 km
Semi-major axis
6,851.542 km
Eccentricity
0.00096
Inclination
97.3803°
RAAN
300.3577°
Arg. of periapsis
170.3455°
True anomaly
189.7784°
Mean anomaly
189.7971°
Eccentric anomaly
189.78775°
Mean motion
3.82702 °/min
Orbital period
94.07 mins
BSTAR
0.00054746
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Other satellites on launch #42 in the year 2017 (2017-07-14 UTC)
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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.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 | 2026-04-30 01:23:05.433Z | 341.562° N | 2026-04-30 01:25:05.433Z | 283.187° WNW | 30.003° | 2026-04-30 01:28:05.433Z | 220.653° SW |
| 5 mins | 2026-04-30 11:57:05.433Z | 151.972° SSE | 2026-04-30 11:59:05.433Z | 41.542° NE | 41.803° | 2026-04-30 12:02:05.433Z | 353.981° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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