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LEMUR 2 DEVERILL-M-T

NORAD 57391 Payload LEO 2023-100F ● Active
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Altitude (km)
Speed (km/s)
Latitude
Longitude
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🛰️ Orbital Parameters
Perigee
442 km
Apogee
451 km
Inclination
99.5°
Period
93.5 min
Mean Motion
15.39829166 rev/day
TLE Epoch
2026-06-19 01:00:00 UTC
📐 Computed Orbital Characteristics
Avg. Altitude447 km
Orbital Velocity27,527 km/h
Velocity7.65 km/s
Orbital Period94 minutes
Orbits / Day15.40
Eccentricity0.0007
Semi-Major Axis6,818 km
Orbit ClassSun-Synchronous (SSO)
Est. Orbital Lifetime~1–3 years
🚀 Launch & Identity
Country / Operator
🇺🇸 Spire Global (United States)
Launch Date
2023-07-18
Launch Site
RLLC
Int'l Designator
2023-100F
Object Type
Payload
RCS Size
Medium (0.1–1 m²)
📖 About This Object
LEMUR 2 DEVERILL-M-T is an active satellite operated by Spire Global (United States), launched on 2023-07-18 from RLLC. It orbits in Low Earth Orbit (LEO) at altitudes between 442 km and 451 km with an inclination of 99.5°. It travels at approximately 27,527 km/h (7.65 km/s), completing one full orbit every 94 minutes — that’s roughly 15.40 orbits per day. Its near-polar, sun-synchronous orbit means it passes over any given point on Earth at approximately the same local solar time, ideal for consistent Earth observation lighting conditions. Its near-circular orbit (eccentricity close to zero) means it maintains a very consistent altitude throughout each revolution. At its current altitude, the estimated orbital lifetime before atmospheric re-entry is ~1–3 years. Orbital Radar tracks LEMUR 2 DEVERILL-M-T in real time using the latest two-line element set (TLE) data, providing live position, altitude, speed and orbital path updated continuously.
🌍 Orbit Context
LEMUR 2 DEVERILL-M-T orbits at an average altitude of 447 km in a sun-synchronous orbit (SSO), a specialised subset of LEO where the orbital plane precesses to maintain a constant angle relative to the Sun. This provides consistent lighting conditions on every pass — essential for Earth observation, weather monitoring and environmental science. Within ±50 km of LEMUR 2 DEVERILL-M-T’s average altitude, there are currently 7,691 active payloads and 161 tracked debris or rocket body fragments — notable neighbours include STARLINK-1008, STARLINK-1012, STARLINK-1017. This makes it one of the more crowded altitude bands, containing roughly 44.2% of all active satellites. With an inclination of 99.5°, LEMUR 2 DEVERILL-M-T passes over latitudes between 99.5°N and 99.5°S, providing near-global coverage including the polar regions. Polar and near-polar orbits are used for reconnaissance, weather monitoring and Earth-observation missions that need to image every part of the planet. United States operates approximately 12,339 active satellites in total, of which 7,324 share a similar altitude band with LEMUR 2 DEVERILL-M-T.
🔗 Spire Global Constellation

This satellite is part of Spire Global's constellation of 3U CubeSats collecting weather, maritime and aviation data through radio occultation, AIS and ADS-B payloads. Spire operates over 100 multi-purpose nanosatellites in LEO, providing atmospheric profiles used by weather agencies worldwide, global ship tracking and flight tracking services.

❓ Frequently Asked Questions
LEMUR 2 DEVERILL-M-T is in a sun-synchronous orbit (SSO), a specialised form of LEO at approximately 447 km altitude. Its 99.5° inclination causes the orbital plane to precess at exactly the rate of the Earth’s revolution around the Sun, so the satellite crosses each latitude at a consistent local solar time. It completes one orbit every 94 minutes, travelling at 27,527 km/h.
LEMUR 2 DEVERILL-M-T is operated by Spire Global (United States). It is catalogued by the U.S. Space Surveillance Network under NORAD ID 57391. You can track LEMUR 2 DEVERILL-M-T in real time on Orbital Radar’s live tracker or browse all operators in the operator directory.
LEMUR 2 DEVERILL-M-T was launched on 2023-07-18 from RLLC. At its current altitude, the estimated remaining orbital lifetime is: ~1–3 years. View the full satellite launch log.
Yes — Orbital Radar tracks LEMUR 2 DEVERILL-M-T (NORAD ID 57391) using the latest TLE (two-line element set) data from Space-Track and CelesTrak. Open the live tracker to see its current position, altitude, speed and orbital path updated in real time. You can also browse the satellite directory to find other tracked objects.
LEMUR 2 DEVERILL-M-T travels at approximately 27,527 km/h (17,104 mph) — roughly 7.65 km/s. It completes 15.40 orbits per day, meaning the crew or instruments aboard (if any) would experience approximately 31 sunrises and sunsets every 24 hours.