Asteroid
Near-Earth
Lyapunov
5324 Lyapunov (1987 SL)
Where is it now
- Distance from Sun
- 4.486 AU
- True anomaly
- 196.89°
- 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
- 2.977 AU
- Eccentricity
- 0.6073
- Inclination
- 19.7°
- Orbital period
- 5.14 years
- Perihelion
- 1.169 AU
- Aphelion
- 4.786 AU
- Longitude of ascending node
- 351.94°
- Argument of periapsis
- 321.27°
- Epoch · J2000
- 2461200.5
Visual & observation
- Absolute magnitude (H)
- 15.35
- Spectral type
- AMO
Discovery & classification
Near-Earth Object
Named