Small-Body Profile

(2026 AC4)

Designation: 2026 AC4 | Estimated Size: 21.6 m

Physical Characteristics

Primary Designation2026 AC4
Full Name(2026 AC4)
Estimated Diameter21.6 m (about one and a half school buses)
Absolute Magnitude (H)26.08
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 (0.98 AU) Aphelion (1.07 AU) Sun

True-scale heliocentric projection showing (2026 AC4) (blue ellipse) relative to Earth (cyan), Venus, and Mars orbits.

Orbital ClassificationAPO (Near-Earth Object)
Semi-Major Axis (a)1.020 AU
Eccentricity (e)0.043
Perihelion Distance (q)0.978 AU
Aphelion Distance (Q)1.070 AU
Orbital Period1.03 years
Orbital Inclination (i)0.1°
Potentially Hazardous AsteroidNo

Earth Close-Approach Timeline

Date (TDB)Nominal DistanceLunar DistancesVelocityInside Moon?Details
2026-Oct-14 13:07 9,730,000 km 25.3 LD 1.57734512349982 km/s No View Encounter