Small-Body Profile

(2026 ST2)

Designation: 2026 ST2 | Estimated Size: 41.7 m

Physical Characteristics

Primary Designation2026 ST2
Full Name(2026 ST2)
Estimated Diameter41.7 m (about 3 school buses)
Absolute Magnitude (H)24.651
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 (0.72 AU) Aphelion (1.68 AU) Sun

True-scale heliocentric projection showing (2026 ST2) (blue ellipse) relative to Earth (cyan), Venus, and Mars orbits.

Orbital ClassificationAPO (Near-Earth Object)
Semi-Major Axis (a)1.200 AU
Eccentricity (e)0.399
Perihelion Distance (q)0.723 AU
Aphelion Distance (Q)1.680 AU
Orbital Period1.31 years
Orbital Inclination (i)11.6°
Potentially Hazardous AsteroidNo

Earth Close-Approach Timeline

Date (TDB)Nominal DistanceLunar DistancesVelocityInside Moon?Details
2026-Sep-24 15:56 6,080,000 km 15.8 LD 13.7330534198121 km/s No View Encounter