128 Nemesis (Asteroid)
Finder chart
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From South El Monte , 128 Nemesis is not observable – it will reach its highest point in the sky during daytime and is 2° below the horizon at dusk.
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|
Name
128 Nemesis
|
Object type
Asteroid
|
Current position
| Computed for: | 29 October 2025 |
| Right ascension: | 15h17m [1] |
| Declination: | −16°33' [1] |
| Constellation: | Libra |
| Magnitude: | 13.49 (V) [1] |
| Distance: | 3.95 AU 32.88 lightmin [1] |
| Angular motion (speed): | 8.08 arcmin/day[1] |
| Angular motion (pos ang): | 290.8° |
Orbital elements [1]
| Semi-major axis: | 2.75 AU |
| Eccentricity: | 0.127310 |
| Inclination: | 6.25° |
| Longitude ascending node: | 76.16° |
| Argument of perihelion: | 302.84° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 167.02° |
| Absolute mag (H): | 7.69 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.40 AU |
| Aphelion: | 3.10 AU |
| Orbital period: | 4.56 years |
Visibility from South El Monte
All times shown in South El Monte local time.