121 Hermione (Asteroid)
From South El Monte , 121 Hermione will become visible at around 20:47 (PDT), 31° above your southern horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:50.
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Name
121 Hermione
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Object type
Asteroid
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Current position
| Computed for: | 11 August 2026 |
| Right ascension: | 16h25m [1] |
| Declination: | −23°23' [1] |
| Constellation: | Ophiuchus |
| Magnitude: | 13.41 (V) [1] |
| Distance: | 3.04 AU 25.31 lightmin [1] |
Orbital elements [1]
| Semi-major axis: | 3.46 AU |
| Eccentricity: | 0.124449 |
| Inclination: | 7.57° |
| Longitude ascending node: | 72.88° |
| Argument of perihelion: | 296.94° |
| Epoch of elements: | 9 Jun 2026 |
| Mean Anomaly at epoch: | 258.71° |
| Absolute mag (H): | 7.40 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 3.03 AU |
| Aphelion: | 3.89 AU |
| Orbital period: | 6.43 years |
Source