7 Iris (Asteroid)
Finder chart
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From Cambridge , 7 Iris is not observable – it will reach its highest point in the sky during daytime and is 10° below the horizon at dawn.
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|
Name
7 Iris
|
Object type
Asteroid
|
Current position
| Computed for: | 15 June 2025 |
| Right ascension: | 05h11m [1] |
| Declination: | +23°10' [1] |
| Constellation: | Taurus |
| Magnitude: | 9.65 (V) [1] |
| Distance: | 2.90 AU 24.10 lightmin [1] |
| Angular motion (speed): | 16.17 arcmin/day[1] |
| Angular motion (pos ang): | 270.6° |
Orbital elements [1]
| Semi-major axis: | 2.39 AU |
| Eccentricity: | 0.229879 |
| Inclination: | 5.52° |
| Longitude ascending node: | 259.50° |
| Argument of perihelion: | 145.53° |
| Epoch of elements: | 25 January 2025 |
| Mean Anomaly at epoch: | 341.49° |
| Absolute mag (H): | 5.67 [1] |
| Slope parameter (G): | 0.15 [1] |
Derived quantities
| Perihelion: | 1.84 AU |
| Aphelion: | 2.93 AU |
| Orbital period: | 3.69 years |
Visibility from Cambridge
All times shown in Cambridge local time.
Events
| 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 |
| 29 Jul 2035 | – Asteroid 7 Iris at opposition |
Printable finder charts
