| Classification | Main-belt Asteroid |
Osculating Orbital Elements
| Epoch | 2444261,5 |
| Semi major axis | 2,5505 AU |
| Period [Julian yrs] | 4,073 Julian years |
| Inclination | 16,119 ° |
| Eccentricity | 0,1818 |
| Lon. of ascending node | 311,872 ° |
| Argument of perihelion | 44,834 ° |
| Passage of perihelion | 1981-Jan-31.610454 |
| Aphelion distance | 3,0142 AU |
| Mean anomaly | 269,356 ° |
Physical Data
| Radius | 75,73 km |
| Rotation period | 11,387 days |
| Absolute magnitude (H) | 6,6334 |
| Magnitude Slope (G) | 0,15 |
| Color index (B-V) | 0,859 |
| Geometric albedo | 0,1764 |
| Spectral class | K |
Discovery Circumstances
| Discoverer | Édouard Stephan |
| Discovered | 1866-08-06 |
Data File
| Data File Name | 89_Julia.aed |
| Data File Date | 2006-07-19 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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