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Comet 2003 R5 (SOHO)
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Comet P/1999 R1 = 2003 R5 = 2007 R5 (SOHO) This comet was discovered by Bo Zhou on September 10, 2007 on real time images transmitted by the coronagraph C2 of the SOHO satellite. Sebastian Hönig (2006, Astron. Astrophysics. 445, 759) had previously announced the perihelion return of the comet C...
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Comet 141P/Machholz 2
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Comet 141P/Machholz 2, at magnitude 13.4, will pass 0.43° from the magnitude 9.2 galaxy M74 at 19:00 UT, 10th May, 2010. Ephemeris Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2010 05 04 00 59.64 +13 22.2 1.672 0.873 25.2 29.5 11.3 2010 05 09 01 26.33 +15 28.9 1.662 0.835 23.2 28.4 10.8 2010 05 14 01 54...
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Comet 82P/Gehrels
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Comet 82P/Gehrels 3 is at perihelion on the 12th January, 2010. (3.633 AU) Ephemeris Date TT R. A. (2000) Decl. Delta r Elong. Phase mag 2010 01 09 07 00.89 +21 35.4 2.652 3.633 175.5 1.2 18.3 2010 01 14 06 57.29 +21 39.9 2.661 3.633 169.7 2.8 18.3 2010 01 19 06 53.84 +21 44.1 2.678 3.633 163.8 4.3 18.3 2010 01...
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D/H ratio
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Title: Nebular dead zone effects on the D/H ratio in chondrites and comets Author: Mohamad Ali-Dib, Rebecca G. Martin, Jean-Marc Petit, Olivier Mousis, Pierre Vernazza, Jonathan I. Lunine Comets and chondrites show non-monotonic behaviour of their Deuterium to Hydrogen (D/H) ratio as a functi...
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Comet 43P/Wolf-Harrington
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Comet 43P/Wolf-Harrington is at perihelion (1.358 AU) on the 1st July, 2010. Ephemeris Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2010 06 28 05 41.79 +22 01.2 2.346 1.358 10.4 7.8 11.8 2010 07 03 05 59.97 +21 28.1 2.342 1.358 11.0 8.2 11.8 2010 07 08 06 17.96 +20 47.4 2.339 1.359 11.7 8.7 11.8 2010 07...
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Comet P/2010 K2 (WISE)
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Orbital elements:
P/2010 K2 (WISE)
T 2010 July 7.525 TT MPC
q 1.19949 (2000.0) P Q
n 0.195281 Peri. 328.473 -0.340668 +0.922477
a 2.94236 Node 281.068 -0.819531 -0.386025
e 0.59234 Incl. 10.664 -0.460775 +0.004559
P 5.05
From 42 observations 2010 May 27-June 4.
[...
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Comet P/2009 L2 (YANG-GAO)
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(Preview)
Orbital elements: P/2009 L2 (Yang-Gao) T 2009 May 19.898 TT MPC q 1.28936 (2000.0) P Q n 0.148535 Peri. 345.164 -0.420388 +0.864808 a 3.53115 Node 259.343 -0.801425 -0.495784 e 0.63486 Incl. 16.223 -0.425431 +0.079400 P 6.64 From 48 observations 2009 June 15-16. [url=http://www.cfa.harvard.e...
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Asteroid 2004 AR1
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The 300 - 670 metre wide asteroid 2004 AR1 will make a close pass (74.6 Lunar Distances, 0.1918 AU), travelling at 10.28 km/s, to the Earth-Moon system on the 15th October, 2009. See more The Lunar Distance (LD), the distan...
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Comet 51P/Harrington
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Comet 51P/Harrington Epoch 2008 June 23.0 TT = JDT 2454640.5 T 2008 June 18.39909 TT MPC q 1.6877644 (2000.0) P Q n 0.13830973 Peri. 269.16931 +0.98796971 +0.12276778 a 3.7031180 Node 83.77510 -0.07462469 +0.91108638 e 0.5442315 Incl. 5.42830 -0.13545116 +0.39350944 P 7.13 MPEC 2008-U53
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Comet C/2008 J2 (Beshore)
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E. Beshore (MT Lemmon Survey) announced the discovery of a new comet on May 06, 2008. The cometary nature of the magnitude 14 object was confirmed by other observers. The preliminary orbital elements of comet C/2008 J2 (Beshore) indicate a perihelion passage on October 07, 2008, at a distance of...
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Asteroid 2004 AS1
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Astronomers came within minutes of alerting the world to a potential asteroid strike last month. On 13 January, 2004, a 30m object, 2004 AS1, was predicted to have a one-in-four chance of hitting the planet within 36 hours. It could have caused local devastation and the researchers contemplated a c...
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Vesta
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(Preview)
Since 30 years, Vesta, one of the three largest main belt bodies, poses a problem to the scientists: "Given that its basaltic surface is roughly similar to t...
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Asteroid 2008 WK96
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Object: 2008WK96 --------------------------------------------------------------------------------------------------
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Comet P/2009 F7 (LINEAR)
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Comet P/2009 F7 (LINEAR) was discovered by the LINEAR monitoring telescope in March, 2009. The orbital elements of the comet indicate a perihelion passage on the 22nd June, 2009, at a distance of 1.7 AU from the Sun, and a 6.1 year orbital period. [url=http://www.cfa.harvard.edu/iau/Ephemerid...
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Comet 228P/LINEAR
(Preview)
Orbital Elements 228P/LINEAR Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 T 2011 Aug. 23.8426 TT MPC q 3.430474 (2000.0) P Q n 0.1157764 Peri. 114.7934 -0.8232024 -0.5632830 a 4.169231 Node 31.0663 +0.4583837 -0.7332574 e 0.177193 Incl. 7.9154 +0.3349957 -0.3808488 P 8.51 [url=http://www.cfa.harv...
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