The asteroid 7 Iris
Finder chart
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From Cambridge , 7 Iris is not readily observable since it is very close to the Sun, at a separation of only 19° from it.
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|
Name
7 Iris
|
Object Type
Asteroid
|
Current Position
| Constellation: | Libra |
| Magnitude: | 11.28 (V) [1] |
| Absolute mag (H): | 5.51 [1] |
| Slope parameter (G): | 0.15 [1] |
| Right ascension: | 14h41m [1] |
| Declination: | -17°52' [1] |
| Distance: | 3.86 AU 32.09 lightmin [1] |
Orbital Elements [1]
| Semi-major axis: | 2.39 AU |
| Eccentricity: | 0.231206 |
| Inclination: | 5.52° |
| Longitude ascending node: | 259.56° |
| Argument of perihelion: | 145.27° |
| Epoch of elements: | 27 April 2019 |
| Mean Anomaly at epoch: | 140.42° |
Derived quantities
| Perihelion: | 1.83 AU |
| Aphelion: | 2.94 AU |
| Orbital period: | 3.68 years |
Events
| 14 Jan 2022 | – Asteroid 7 Iris at opposition |
| 16 Oct 2028 | – Asteroid 7 Iris at opposition |
Printable finder charts
