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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Edit Public Description
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: 22 hours ago
TLE from 22 hours ago
0 LEMUR 2 GREENBERG
1 42837U 17042N 25344.74777251 .00023531 00000-0 96274-3 0 9991
2 42837 97.3710 162.2653 0009398 319.8639 40.1903 15.24290956459611Epoch: 2025-12-10T17:56Z
TLE epoch observation values (Epoch: 2025-12-10T17:56:47.544Z)
Latitude
-0.0001°
Longitude
173.35356°
Altitude
491.081 km
Speed
7.622 km/s
True Right ascension
10h 49m 03s
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
13:53:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
496.329 km
Perigee altitude
483.419 km
Semi-major axis
6,868.011 km
Eccentricity
0.00094
Inclination
97.371°
RAAN
162.2653°
Arg. of periapsis
319.8639°
True anomaly
40.25986°
Mean anomaly
40.1903°
Eccentric anomaly
40.22507°
Mean motion
3.81326 °/min
Orbital period
94.41 mins
BSTAR
0.00096274
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-12 00:26:34.992Z | 29.572° NE | 2025-12-12 00:29:34.992Z | 91.177° ESE | 32.049° | 2025-12-12 00:32:34.992Z | 164.847° S |
| 4 mins | 2025-12-12 12:37:34.992Z | 216.292° SW | 2025-12-12 12:39:34.992Z | 272.201° WNW | 26.71° | 2025-12-12 12:41:34.992Z | 317.25° NNW |
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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