516803 (2010 JG88)
Tracked by NASA JPL Near-Earth Object Web Service (NeoWs), 516803 (2010 JG88) is a X-type (Enstatite-Metallic) body measuring between 331.55m and 741.38m in diameter. On 2026-10-26, it completes a cislunar approach at 33.75 Lunar Distances (12,978,696.8 km) with a relative heliocentric velocity of 20.40 km/s.
516803 (2010 JG88) (JPL ID 2516803) is a X-type (Enstatite-Metallic) Near-Earth Asteroid spanning 331.6m–741.4m (mean 536.5m). On 2026-10-26, it transits Earth's cislunar surveillance sector at 33.749 Lunar Distances (12,978,697 km) with a relative velocity of 20.40 km/s and a theoretical kinetic energy reserve of 11462.42 megatons TNT. Its well-constrained heliocentric ephemeris passes safely outside Earth capture corridors while serving as an orbital calibration target.
Exact Landmark Scale Comparison (741.38m)
Kinetic Impact Physics & Orbital Parameters
516803 (2010 JG88) (H = 19.5, Vmag ≈ 15.5) 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 516803 (2010 JG88) compared to city landmarks?
516803 (2010 JG88) has an estimated diameter between 331.55m and 741.38m. At its upper-bound size of 741.38m, it stands 167% as tall as the 443m Empire State Building in New York City and 225% of the 330m Eiffel Tower.
Will 516803 (2010 JG88) impact Earth during its 2026-10-26 approach?
No. NASA JPL Center for Near-Earth Object Studies (CNEOS) orbital solutions confirm 516803 (2010 JG88) will pass safely at a minimum distance of 33.75 Lunar Distances (12,978,696.8 km). You can still simulate a hypothetical street-level impact in our 3D CesiumJS simulator.
High-transmission BaK-4 Porro prism 15x70 optics with tripod adapter for bright near-Earth flybys, comets, and bolide shower radiants.
Autonomous apochromatic triplet smart telescope with integrated plate-solving, live stacking, and dual-band filter for magnitude 10–16 NEOs.
Ultra-portable Sony IMX678 starlight tele-camera with AI equatorial tracking and automated asteroid field stacking.
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.