(2007 US12)
Tracked by NASA JPL Near-Earth Object Web Service (NeoWs), (2007 US12) is a C-type (Carbonaceous Chondrite) body measuring between 99.67m and 222.86m in diameter. On 2026-10-23, it completes a cislunar approach at 74.50 Lunar Distances (28,651,194.9 km) with a relative heliocentric velocity of 11.95 km/s.
(2007 US12) (JPL ID 3390647) is a C-type (Carbonaceous Chondrite) Near-Earth Asteroid spanning 99.7m–222.9m (mean 161.3m). On 2026-10-23, it transits Earth's cislunar surveillance sector at 74.502 Lunar Distances (28,651,195 km) with a relative velocity of 11.95 km/s and a theoretical kinetic energy reserve of 106.85 megatons TNT. Its well-constrained heliocentric ephemeris passes safely outside Earth capture corridors while serving as an orbital calibration target.
Exact Landmark Scale Comparison (222.86m)
Kinetic Impact Physics & Orbital Parameters
(2007 US12) (H = 22.1, Vmag ≈ 19.9) is below consumer optical detection thresholds (requires ≥1000mm survey aperture); explore certified meteorite specimens[↗] or indoor optical projection instead.
Campo del Cielo Meteorite Specimen (Certified Iron-Nickel)
Authentic coarse octahedrite Group IAB iron-nickel meteorite fragment (92.9% Fe, 6.7% Ni) recovered from the Chaco crater field with certificate of authenticity.
Satin-black 5W warm-white LED optical glass lens planetarium projecting 60,000 stars and simulated meteor shower trajectories indoors.
3D Ephemeris Trajectory Waypoints
Planetary Defense Frequently Asked Questions (Schema.org FAQ)
How big is (2007 US12) compared to city landmarks?
(2007 US12) has an estimated diameter between 99.67m and 222.86m. At its upper-bound size of 222.86m, it stands 50% as tall as the 443m Empire State Building in New York City and 68% of the 330m Eiffel Tower.
Will (2007 US12) impact Earth during its 2026-10-23 approach?
No. NASA JPL Center for Near-Earth Object Studies (CNEOS) orbital solutions confirm (2007 US12) will pass safely at a minimum distance of 74.50 Lunar Distances (28,651,194.9 km). You can still simulate a hypothetical street-level impact in our 3D CesiumJS simulator.
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Authentic coarse octahedrite Group IAB iron-nickel meteorite fragment (92.9% Fe, 6.7% Ni) recovered from the Chaco crater field.
Low-read-noise Sony STARVIS 2 CMOS planetary and all-sky meteor bolide detection camera with 2.0μm pixels.