☄️ Nemesis (asteroide 128)
Nemesis (asteroid 128) today: 1.830 AU from Earth (273.8 million km), heliocentric distance 2.759 AU, orbital period 4.56 years. Computed via Kepler solver with JPL SBDB osculating elements.
Position now (2026-06-12 00:50 UTC)
| Heliocentric distance: | 2.7591 AU |
| Geocentric distance: | 1.8302 AU (273.8 million km) |
| Geocentric ecliptic longitude: | 290.474° |
| Geocentric ecliptic latitude: | -3.830° |
| RA J2000 (approximate): | 292.780° |
| Dec J2000 (approximate): | -25.662° |
| True anomaly: | -98.781° |
Orbital elements (Keplerian)
| Semi-major axis (a): | 2.7500 AU |
| Eccentricity (e): | 0.12701 |
| Inclination (i): | 6.247° |
| Long. ascending node (Omega): | 76.160° |
| Argument of perihelion (omega): | 302.813° |
| Mean anomaly at epoch (M0): | 231.890° |
| Osculation epoch (JD): | 2461000.5 |
| Orbital period: | 4.560 years |
About Nemesis
IAU designation: 128 Nemesis. Estimated diameter: 99.42 km. Absolute magnitude H: 7.69.
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.