11 Parthenope (Asteroid)
From South El Monte , 11 Parthenope is visible in the dawn sky, rising at 01:54 (PDT) and reaching an altitude of 50° above the south-eastern horizon before fading from view as dawn breaks at around 06:08.
| 
                    Name
                    11 Parthenope                 | 
                    Object type
                    Asteroid                 | 
| Computed for: | 31 October 2025 | 
| Right ascension: | 10h16m [1] | 
| Declination: | +11°15' [1] | 
| Constellation: | Leo | 
| Magnitude: | 12.22 (V) [1] | 
| Distance: | 2.94 AU 24.49 lightmin [1] | 
| Angular motion (speed): | 10.86 arcmin/day[1] | 
| Angular motion (pos ang): | 286.2° | 
| 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] | 
| Perihelion: | 2.21 AU | 
| Aphelion: | 2.70 AU | 
| Orbital period: | 3.84 years | 
All times shown in South El Monte local time.
| 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 | 
 
                         
                
            