128 Nemesis (Asteroid)
From South El Monte , 128 Nemesis is not observable – it will reach its highest point in the sky during daytime and is no higher than 19° above the horizon at dawn.
|
Name
128 Nemesis
|
Object type
Asteroid
|
Current position
| Computed for: | 13 February 2026 |
| Right ascension: | 18h07m [1] |
| Declination: | −23°25' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 13.50 (V) [1] |
| Distance: | 3.40 AU 28.28 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.75 AU |
| Eccentricity: | 0.127006 |
| Inclination: | 6.25° |
| Longitude ascending node: | 76.16° |
| Argument of perihelion: | 302.81° |
| Epoch of elements: | 21 Nov 2025 |
| Mean Anomaly at epoch: | 231.89° |
| Absolute mag (H): | 7.67 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.40 AU |
| Aphelion: | 3.10 AU |
| Orbital period: | 4.56 years |