☄️ Itokawa (asteroide 25143)
Itokawa (asteroid 25143) today: 2.652 AU from Earth (396.7 million km), heliocentric distance 1.651 AU, orbital period 1.524 years. Computed via Kepler solver with JPL SBDB osculating elements.
Position now (2026-04-29 09:01 UTC)
| Heliocentric distance: | 1.6514 AU |
| Geocentric distance: | 2.6515 AU (396.7 million km) |
| Geocentric ecliptic longitude: | 33.858° |
| Geocentric ecliptic latitude: | -0.627° |
| RA J2000 (approximate): | 31.832° |
| Dec J2000 (approximate): | 12.212° |
| True anomaly: | 158.741° |
Orbital elements (Keplerian)
| Semi-major axis (a): | 1.3241 AU |
| Eccentricity (e): | 0.28015 |
| Inclination (i): | 1.621° |
| Long. ascending node (Omega): | 69.076° |
| Argument of perihelion (omega): | 162.854° |
| Mean anomaly at epoch (M0): | 41.262° |
| Osculation epoch (JD): | 2461000.5 |
| Orbital period: | 1.524 years |
About Itokawa
Discovered in 1998 by LINEAR. IAU designation: 25143 Itokawa. Estimated diameter: 0.33 km. Absolute magnitude H: 19.26.
Visitado por Hayabusa (JAXA) que retornou amostras a Terra em 2010.
Limitation
Osculating elements are from epoch 2461000.5 JD. Keplerian propagation ignores perturbations (especially Jupiter for belt asteroids). For precision beyond months, consult JPL Horizons.
See all asteroids, methodology, precision.