C/2007 W1 (Boattini)
| Discovery | |
|---|---|
Semi-major axis | ~1,582 AU[2] (a) |
| Eccentricity | 1.00015[3] |
| Orbital period | ~63,000 yr[2][4] |
| Inclination | 9.8903° |
| Last perihelion | 2008-Jun-24[3] |
| Next perihelion | unknown |
| Earth MOID | 0.0178 AU (2,660,000 km) |
C/2007 W1 (Boattini) is a
long-period comet discovered on 20 November 2007, by Andrea Boattini at the Mt. Lemmon Survey.[1] At the peak the comet had an apparent magnitude around 5.[5]
On 3 April 2008, when C/2007 W1 was 0.66
On 12 June 2008, the comet passed within about 0.21005
The comet has an observation
Before entering the planetary region, C/2007 W1 had a
passing stars
.
References
- ^ IAU Minor Planet Center. 23 November 2007. Retrieved 13 April 2011.
- ^ barycentric coordinates. Select Ephemeris Type:Elements and Center:@0)
- ^ a b c d "JPL Small-Body Database Browser: C/2007 W1 (Boattini)". Jet Propulsion Laboratory. 31 August 2008. Retrieved 13 April 2011.
- ^ a b Tammy Plotner (12 June 2008). "Comet Boattini Sails Towards the Sun". Universe Today. Retrieved 13 April 2011.
- ^ "Comet for Windows magnitude plot for C/2007 W1". aerith.net. Retrieved 13 April 2011.
- ^ "IAUC 8931: NR Tri AUSTRALIS = N Tri AUSTRALIS 2008; C/2007 W1". IAU Central Bureau for Astronomical Telegrams. 4 April 2008. Retrieved 13 April 2011.
- ^ Math: 10' * 60" / 206265 * 0.66AU * 149,597,870.7 km = 287,207 km
- ^ "JPL Close-Approach Data: C/2007 W1 (Boattini)". 31 August 2008. Retrieved 13 April 2011.
External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- Look quick to spot a bright comet (Astronomy 20 May 2008)
- Comet Boattini Brightens (Sky and Telescope16 May 2008)
- Comet Boattini Sails Towards the Sun (Universe Today 12 June 2008)
- C/2007 W1 ( Boattini ) – Seiichi Yoshida @ aerith.net (with pictures taken by different astronomers around the world)
- Reconstructing the Morphology of an Evolving Coronal Mass Ejection (1 June 2008)
.png)
