2003 WH166
Explore asteroids, comets and near-Earth objects with JPL orbital data.
Apollo
Observations: 177
Orbital Parameters
Semi-Major Axis
1.936 AU
Eccentricity
0.5575
Perihelion
0.857 AU
Aphelion
3.01532 AU
Inclination
0.7°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
101.66°
Orbit diagram
The Sun sits at the focus (orange). Earth's orbit is the grey circle at 1 AU. The red dot marks the object's position at the catalog epoch.
3D orbit (interactive)
Drag to rotate; scroll or pinch to zoom. The Sun is at the focus (orange), Earth's orbit is the grey ring at 1 AU, and the red dot marks the object's current position.
Close approaches
Predicted close approaches to Earth, from NASA's Center for Near-Earth Object Studies (CNEOS).
| Date (UTC) | Miss distance | Velocity |
|---|---|---|
| 2030-Dec-15 05:03 | 0.300519 AU 44957010 km |
21.19 km/s |
| 2039-Feb-11 05:40 | 0.124625 AU 18643704 km |
9.97 km/s |
| 2047-May-06 20:12 | 0.212792 AU 31833172 km |
18.37 km/s |
| 2065-Dec-24 14:34 | 0.144128 AU 21561194 km |
16.45 km/s |
| 2074-Mar-22 00:44 | 0.110709 AU 16561863 km |
9.76 km/s |
Distances in astronomical units (AU) and kilometres. Source: NASA/JPL CNEOS Close Approach Data API.
Physical Parameters
Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
22.0
Orbit Quality
RMS
0.44587
Condition
0
Orbit ID
—
