(2022 UD21)
Designation: 2022 UD21 | Estimated Size: 27.2 m
Physical Characteristics
| Primary Designation | 2022 UD21 |
|---|---|
| Full Name | (2022 UD21) |
| Estimated Diameter | 27.2 m (about 2.5 school buses) |
| Absolute Magnitude (H) | 25.58 |
| Total Encounters in Catalog | 1 |
Keplerian Orbit View
View in Full Solar System Orrery →
Heliocentric Orbit Projection
True-scale heliocentric projection showing (2022 UD21) (blue ellipse) relative to Earth (cyan), Venus, and Mars orbits.
| Orbital Classification | APO (Near-Earth Object) |
|---|---|
| Semi-Major Axis (a) | 1.580 AU |
| Eccentricity (e) | 0.375 |
| Perihelion Distance (q) | 0.991 AU |
| Aphelion Distance (Q) | 2.180 AU |
| Orbital Period | 1.99 years |
| Orbital Inclination (i) | 18.4° |
| Potentially Hazardous Asteroid | No |
Earth Close-Approach Timeline
| Date (TDB) | Nominal Distance | Lunar Distances | Velocity | Inside Moon? | Details |
|---|---|---|---|---|---|
| 2026-Oct-29 20:14 | 7,900,000 km | 20.5 LD | 12.1659613889101 km/s | No | View Encounter |