7 Iris (Asteroid)
From Cambridge , 7 Iris is visible in the dawn sky, rising at 01:49 (EDT) – 3 hours and 46 minutes before the Sun – and reaching an altitude of 22° above the south-eastern horizon before fading from view as dawn breaks at around 04:20.
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Name
7 Iris
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Object type
Asteroid
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Current position
| Computed for: | 02 May 2024 |
| Right ascension: | 20h58m [1] |
| Declination: | -14°02' [1] |
| Constellation: | Aquarius |
| Magnitude: | 10.58 (V) [1] |
| Distance: | 2.32 AU 19.27 lightmin [1] |
| Angular motion (speed): | 15.38 arcmin/day[1] |
| Angular motion (pos ang): | 250.2° |
Orbital elements [1]
| Semi-major axis: | 2.39 AU |
| Eccentricity: | 0.229835 |
| Inclination: | 5.52° |
| Longitude ascending node: | 259.50° |
| Argument of perihelion: | 145.48° |
| Epoch of elements: | 31 March 2024 |
| Mean Anomaly at epoch: | 261.32° |
| Absolute mag (H): | 5.64 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.84 AU |
| Aphelion: | 2.93 AU |
| Orbital period: | 3.69 years |
Events
| 06 Aug 2024 | – Asteroid 7 Iris at opposition |
| 27 Feb 2026 | – Asteroid 7 Iris at opposition |
| 25 May 2027 | – Asteroid 7 Iris at opposition |
| 13 Oct 2028 | – Asteroid 7 Iris at opposition |
| 30 Mar 2030 | – Asteroid 7 Iris at opposition |
| 22 Jun 2031 | – Asteroid 7 Iris at opposition |
| 01 Jan 2033 | – Asteroid 7 Iris at opposition |
| 25 Apr 2034 | – Asteroid 7 Iris at opposition |
Printable finder charts
