☄️ Ismene (asteroide 190)
Ismene (asteroid 190) today: 4.401 AU from Earth (658.4 million km), heliocentric distance 4.575 AU, orbital period 7.985 years. Computed via Kepler solver with JPL SBDB osculating elements.
Position now (2026-04-29 08:55 UTC)
| Heliocentric distance: | 4.5750 AU |
| Geocentric distance: | 4.4011 AU (658.4 million km) |
| Geocentric ecliptic longitude: | 305.508° |
| Geocentric ecliptic latitude: | 5.706° |
| RA J2000 (approximate): | 306.441° |
| Dec J2000 (approximate): | -13.352° |
| True anomaly: | -154.222° |
Orbital elements (Keplerian)
| Semi-major axis (a): | 3.9949 AU |
| Eccentricity (e): | 0.16827 |
| Inclination (i): | 6.174° |
| Long. ascending node (Omega): | 175.396° |
| Argument of perihelion (omega): | 271.448° |
| Mean anomaly at epoch (M0): | 195.546° |
| Osculation epoch (JD): | 2461000.5 |
| Orbital period: | 7.985 years |
About Ismene
IAU designation: 190 Ismene. Estimated diameter: 91.09 km. Absolute magnitude H: 7.88.
Asteroide do cinturao principal. Detectavel com telescopio amador.
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.