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, 0.4 m
Radar Cross Section
0.093 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 LEMUR 2 GREENBERG
1 42837U 17042N 26263.47059407 .00012427 00000-0 37910-3 0 9992
2 42837 97.3864 83.8880 0008703 31.9928 328.1841 15.34039864502982Epoch: 2026-09-20T11:17Z
TLE epoch observation values (Epoch: 2026-09-20T11:17:39.327Z)
Latitude
-0.00009°
Longitude
-84.89016°
Altitude
461.824 km
Speed
7.639 km/s
True Right ascension
05h 35m 33s
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
06:01:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
466.672 km
Perigee altitude
454.768 km
Semi-major axis
6,838.857 km
Eccentricity
0.00087
Inclination
97.3864°
RAAN
83.888°
Arg. of periapsis
31.9928°
True anomaly
328.13148°
Mean anomaly
328.1841°
Eccentric anomaly
328.15779°
Mean motion
3.83767 °/min
Orbital period
93.81 mins
BSTAR
0.0003791
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-09-22 01:26:26.813Z | 339.582° N | 2026-09-22 01:28:26.813Z | 268.104° W | 37.475° | 2026-09-22 01:30:26.813Z | 223.034° SW |
| 5 mins | 2026-09-22 11:58:26.813Z | 142.531° SSE | 2026-09-22 12:00:26.813Z | 45.569° ENE | 51.621° | 2026-09-22 12:03:26.813Z | 357.017° N |
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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