128 Nemesis (Asteroid)
From South El Monte , 128 Nemesis is visible between 22:54 and 03:00. It will become accessible at around 22:54, when it rises to an altitude of 21° above your south-eastern horizon. It will reach its highest point in the sky at 00:57, 28° above your southern horizon. It will become inaccessible at around 03:00 when it sinks below 21° above your south-western horizon.
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Name
128 Nemesis
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Object type
Asteroid
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Current position
| Computed for: | 08 July 2026 |
| Right ascension: | 19h10m [1] |
| Declination: | −27°24' [1] |
| Constellation: | Sagittarius |
| Magnitude: | 11.26 (V) [1] |
| Distance: | 1.71 AU 14.22 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 2.75 AU |
| Eccentricity: | 0.126871 |
| Inclination: | 6.25° |
| Longitude ascending node: | 76.16° |
| Argument of perihelion: | 302.77° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 275.15° |
| 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 |
Source