| 词条 | C/2007 E2 (Lovejoy) | ||
| 释义 |
| name = C/2007 E2 (Lovejoy) | image = | caption = Comet C/2007 E2 (Lovejoy) discovery frame | discoverer = Terry Lovejoy | discovery_date = 15 March 2007 | epoch = 2454230.5 (10 May 2007) | aphelion = 2850 AU | perihelion = 1.09294 AU | semimajor = 1426 AU | eccentricity = 0.999233 | period = ~22972 a (epoch 2050)[1] | inclination = 95.8835° | last_p = 27 March 2007 | next_p = unknown }}C/2007 E2 (Lovejoy) is a non-periodic comet discovered by Terry Lovejoy on 15 March 2007. Its perihelion was 27 March 2007, while its closest approach to Earth was 25 April 2007 in Hercules at a distance of 0.44 AU. Maximum apparent magnitude was approximately +8.[2] The discovery was made using a Canon EOS 350D consumer grade digital camera, and not a CCD survey camera.[3] Image galleryReferences1. ^{{cite web |url=http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2007E2 |title=Barycentric Osculating Orbital Elements for Comet C/2007 E2 (Lovejoy) |author=Horizons output |accessdate=16 September 2013}} Solution uses the Solar System barycenter and barycentric coordinates (select Ephemeris Type:Elements and Center:@0) 2. ^{{cite web |url=http://www.aerith.net/comet/catalog/2007E2/2007E2.html |title=C/2007 E2 ( Lovejoy ) |work=Aerith.net |first=Seiichi |last=Yoshida}} 3. ^{{cite web |url=http://www.possumobservatory.co.nz/comet2007e2-lovejoy.htm |title=Comet 2007 E2 (Lovejoy) - Photos and Observations |publisher=Possum Observatory |first=John |last=Drummond |accessdate=26 March 2007 |deadurl=yes |archiveurl=https://web.archive.org/web/20070329043704/http://www.possumobservatory.co.nz/comet2007e2-lovejoy.htm |archivedate=29 March 2007 |df=dmy-all }} External links{{commons category-inline|C/2007 E2 (Lovejoy)}}
4 : Astronomical objects discovered in 2007|Comets in 2007|Discoveries by Terry Lovejoy|Near-Earth objects in 2007 |
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