Asteroid
Near-Earth
137078
137078 (1998 XZ4)
Where is it now
- Distance from Sun
- 3.011 AU
- True anomaly
- 165.7°
- As of
- 29 August 2026
Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.
Orbital elements
- Semi-major axis
- 1.939 AU
- Eccentricity
- 0.6379
- Inclination
- 23.15°
- Orbital period
- 2.7 years
- Perihelion
- 0.702 AU
- Aphelion
- 3.175 AU
- Longitude of ascending node
- 324.43°
- Argument of periapsis
- 9.64°
- Epoch · J2000
- 2461000.5
Visual & observation
- Absolute magnitude (H)
- 16.36
- Spectral type
- APO
Discovery & classification
Near-Earth Object
Sources
- orbital elements: JPL SBDB