11 Parthenope (Asteroid)
Finder chart
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From South El Monte , 11 Parthenope is visible in the dawn sky, rising at 03:30 (PDT) – 3 hours and 5 minutes before the Sun – and reaching an altitude of 24° above the eastern horizon before fading from view as dawn breaks at around 05:35.
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Name
11 Parthenope
|
Object type
Asteroid
|
Current position
| Computed for: | 18 September 2025 |
| Right ascension: | 09h16m [1] |
| Declination: | +15°41' [1] |
| Constellation: | Cancer |
| Magnitude: | 12.31 (V) [1] |
| Distance: | 3.39 AU 28.23 lightmin [1] |
| Angular motion (speed): | 9.75 arcmin/day[1] |
| Angular motion (pos ang): | 282.6° |
Orbital elements [1]
| Semi-major axis: | 2.45 AU |
| Eccentricity: | 0.099563 |
| Inclination: | 4.63° |
| Longitude ascending node: | 125.49° |
| Argument of perihelion: | 196.26° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 96.96° |
| Absolute mag (H): | 6.73 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 2.21 AU |
| Aphelion: | 2.70 AU |
| Orbital period: | 3.84 years |
Visibility from South El Monte
All times shown in South El Monte local time.
Events
| 01 Jul 2027 | – Asteroid 11 Parthenope at opposition |
| 27 Jul 2031 | – Asteroid 11 Parthenope at opposition |
| 24 Aug 2035 | – Asteroid 11 Parthenope at opposition |
| 19 Sep 2039 | – Asteroid 11 Parthenope at opposition |
| 14 Oct 2043 | – Asteroid 11 Parthenope at opposition |
| 27 May 2046 | – Asteroid 11 Parthenope at opposition |
| 05 Nov 2047 | – Asteroid 11 Parthenope at opposition |
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