Small-Body Profile

678976 (2018 EH4)

Designation: 678976 | Estimated Size: 164 m

Physical Characteristics

Primary Designation678976
Full Name678976 (2018 EH4)
Estimated Diameter164 m (about one and a half Statues of Liberty)
Absolute Magnitude (H)21.68
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 (0.80 AU) Aphelion (3.32 AU) Sun

True-scale heliocentric projection showing 678976 (2018 EH4) (blue ellipse) relative to Earth (cyan), Venus, and Mars orbits.

Orbital ClassificationAPO (Near-Earth Object)
Semi-Major Axis (a)2.060 AU
Eccentricity (e)0.612
Perihelion Distance (q)0.798 AU
Aphelion Distance (Q)3.320 AU
Orbital Period2.96 years
Orbital Inclination (i)6.2°
Potentially Hazardous AsteroidYes (PHA)

Earth Close-Approach Timeline

Date (TDB)Nominal DistanceLunar DistancesVelocityInside Moon?Details
2026-Oct-14 05:49 8,430,000 km 21.9 LD 13.2223703190978 km/s No View Encounter