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 16° from it.
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|
Name
7 Iris
|
Object Type
Asteroid
|
Current Position
| Constellation: | Scorpius |
| Magnitude: | 11.28 (V) [1] |
| Absolute mag (H): | 5.60 [1] |
| Slope parameter (G): | 0.15 [1] |
| Right ascension: | 16h09m [1] |
| Declination: | -22°31' [1] |
| Distance: | 3.85 AU 32.02 lightmin [1] |
Orbital Elements [1]
| Semi-major axis: | 2.39 AU |
| Eccentricity: | 0.230830 |
| Inclination: | 5.52° |
| Longitude ascending node: | 259.56° |
| Argument of perihelion: | 145.26° |
| Epoch of elements: | 13 November 2019 |
| Mean Anomaly at epoch: | 193.93° |
Derived quantities
| Perihelion: | 1.84 AU |
| Aphelion: | 2.94 AU |
| Orbital period: | 3.69 years |
Events
| 28 Jun 2020 | – Asteroid 7 Iris at opposition |
| 14 Jan 2022 | – Asteroid 7 Iris at opposition |
| 01 May 2023 | – Asteroid 7 Iris at opposition |
| 07 Aug 2024 | – Asteroid 7 Iris at opposition |
| 28 Feb 2026 | – Asteroid 7 Iris at opposition |
| 26 May 2027 | – Asteroid 7 Iris at opposition |
| 15 Oct 2028 | – Asteroid 7 Iris at opposition |
Printable finder charts
