Small-Body Profile

(2026 SM12)

Designation: 2026 SM12 | Estimated Size: 49.4 m

Physical Characteristics

Primary Designation2026 SM12
Full Name(2026 SM12)
Estimated Diameter49.4 m (just over 4 school buses)
Absolute Magnitude (H)24.283
Total Encounters in Catalog1
Keplerian Orbit View

Heliocentric Orbit Projection

View in Full Solar System Orrery →
1.0 AU 2.0 AU Venus (0.72 AU) Earth Mars (1.52 AU) Perihelion (1.04 AU) Aphelion (1.13 AU) Sun

True-scale heliocentric projection showing (2026 SM12) (blue ellipse) relative to Earth (cyan), Venus, and Mars orbits.

Orbital ClassificationAMO (Near-Earth Object)
Semi-Major Axis (a)1.090 AU
Eccentricity (e)0.042
Perihelion Distance (q)1.040 AU
Aphelion Distance (Q)1.130 AU
Orbital Period1.14 years
Orbital Inclination (i)14.6°
Potentially Hazardous AsteroidNo

Earth Close-Approach Timeline

Date (TDB)Nominal DistanceLunar DistancesVelocityInside Moon?Details
2026-Sep-30 16:07 8,970,000 km 23.3 LD 7.53848777644317 km/s No View Encounter