354 Eleonora (Asteroid)
From South El Monte , 354 Eleonora will become visible at around 20:38 (PDT), 46° above your south-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting at 00:52.
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Name
354 Eleonora
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Object type
Asteroid
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Current position
| Computed for: | 18 August 2025 |
| Right ascension: | 15h54m [1] |
| Declination: | −02°16' [1] |
| Constellation: | Serpens Caput |
| Magnitude: | 11.58 (V) [1] |
| Distance: | 2.66 AU 22.10 lightmin [1] |
| Angular motion (speed): | 12.54 arcmin/day[1] |
| Angular motion (pos ang): | 284.8° |
Orbital elements [1]
| Semi-major axis: | 2.80 AU |
| Eccentricity: | 0.111720 |
| Inclination: | 18.36° |
| Longitude ascending node: | 140.21° |
| Argument of perihelion: | 8.01° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 53.44° |
| Absolute mag (H): | 6.15 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.49 AU |
| Aphelion: | 3.11 AU |
| Orbital period: | 4.69 years |
Events
| 24 Feb 2029 | – Asteroid 354 Eleonora at opposition |
| 13 Jan 2038 | – Asteroid 354 Eleonora at opposition |
| 18 Feb 2043 | – Asteroid 354 Eleonora at opposition |
| 27 Mar 2048 | – Asteroid 354 Eleonora at opposition |
Printable finder charts
