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Comet 103P/Hartley in October 2010

Hartley 2 in October 2010



Comet Hartley 2, officially designated 103P/Hartley is a small periodic comet with an orbital period of 6.46 years. It was discovered by Malcolm Hartley in 1986 at the Schmidt Telescope Unit in Siding Spring, Australia. Its diameter is estimated to be 1.2 to 1.6 km.


There is a planned flyby of Hartley 2 by the Deep Impact spacecraft with a closest approach of 700 kilometers on November 4, 2010. This is part of the EPOXI mission.


The comet will pass within 0.121 AU (11.3 million miles or 18 million km) of the Earth on October 20 2010, which is only eight days before coming to closest approach to the Sun on October 28, 2010 at a distance of 1.059 AU from the Sun. During this passage, the comet may be visible to the naked eye at apparent magnitude 5 in the constellation Auriga, if you know where to look and are viewing from a dark sky location.





Here you will find comet ephemeris for October 2010 and a map for search.


Ephemeris of 103P/Hartley

    Date          UT        R.A. (J2000) Decl.     Delta      r        El.     Ph.    m      Sky Motion   Constellation
                  h m s                                                                                     "/min  P.A.

2010 10 01 000000 00 41 48.1 +55 02 15   0.184   1.124  127.9  44.7   5.8    3.76    070.5    Cas

2010 10 02 000000 00 52 07.4 +55 30 57   0.179   1.119  127.7  45.0   5.7    3.97    073.4    Cas

2010 10 03 000000 01 03 18.6 +55 56 27   0.174   1.115  127.5  45.4   5.6    4.19    076.4    Cas

2010 10 04 000000 01 15 23.9 +56 17 58   0.168   1.111  127.4  45.7   5.5    4.42    079.6    Cas

2010 10 05 000000 01 28 24.3 +56 34 33   0.164   1.107  127.2  46.1   5.4    4.67    082.9    Cas

2010 10 06 000000 01 42 19.4 +56 45 13   0.159   1.103  127.0  46.4   5.4    4.93    086.4    Cas

2010 10 07 000000 01 57 07.2 +56 48 51   0.154   1.099  126.8  46.7   5.3    5.20    090.1    Per

2010 10 08 000000 02 12 43.3 +56 44 17   0.150   1.095  126.6  47.1   5.2    5.49    093.9    Per

2010 10 09 000000 02 29 01.1 +56 30 19   0.146   1.092  126.4  47.4   5.1    5.78    097.9    Per

2010 10 10 000000 02 45 51.4 +56 05 52   0.142   1.089  126.2  47.8   5.0    6.07    101.9    Per

2010 10 11 000000 03 03 03.3 +55 29 55   0.138   1.086  125.9  48.1   4.9    6.37    105.9    Per

2010 10 12 000000 03 20 24.2 +54 41 41   0.135   1.083  125.6  48.5   4.8    6.67    109.9    Per

2010 10 13 000000 03 37 40.7 +53 40 39   0.132   1.080  125.3  48.9   4.8    6.95    113.9    Cam

2010 10 14 000000 03 54 40.2 +52 26 35   0.130   1.077  125.0  49.4   4.7    7.22    117.7    Per

2010 10 15 000000 04 11 10.9 +50 59 41   0.127   1.075  124.6  49.8   4.6    7.47    121.3    Per

2010 10 16 000000 04 27 03.1 +49 20 27   0.125   1.072  124.2  50.3   4.6    7.68    124.8    Per

2010 10 17 000000 04 42 09.3 +47 29 45   0.124   1.070  123.7  50.8   4.5    7.87    127.9    Per

2010 10 18 000000 04 56 24.5 +45 28 44   0.122   1.068  123.2  51.3   4.5    8.00    130.9    Aur

2010 10 19 000000 05 09 45.9 +43 18 47   0.121   1.067  122.6  51.9   4.5    8.10    133.6    Aur

2010 10 20 000000 05 22 12.5 +41 01 30   0.121   1.065  122.0  52.5   4.5    8.14    136.0    Aur

2010 10 21 000000 05 33 45.0 +38 38 33   0.121   1.064  121.4  53.1   4.4    8.12    138.2    Aur

2010 10 22 000000 05 44 25.2 +36 11 38   0.121   1.062  120.7  53.7   4.4    8.06    140.1    Aur

2010 10 23 000000 05 54 15.5 +33 42 25   0.122   1.061  120.0  54.3   4.4    7.94    141.8    Aur

2010 10 24 000000 06 03 18.9 +31 12 28   0.123   1.060  119.3  54.9   4.5    7.78    143.4    Aur

2010 10 25 000000 06 11 38.6 +28 43 13   0.124   1.060  118.6  55.5   4.5    7.58    144.7    Aur

2010 10 26 000000 06 19 18.0 +26 15 54   0.126   1.059  117.9  56.0   4.5    7.34    145.9    Gem

2010 10 27 000000 06 26 20.1 +23 51 36   0.128   1.059  117.3  56.5   4.5    7.08    147.0    Gem

2010 10 28 000000 06 32 47.9 +21 31 10   0.130   1.059  116.7  57.0   4.6    6.79    148.0    Gem

2010 10 29 000000 06 38 44.5 +19 15 16   0.133   1.059  116.1  57.4   4.6    6.50    148.9    Gem

2010 10 30 000000 06 44 12.3 +17 04 24   0.136   1.059  115.5  57.8   4.7    6.19    149.6    Gem

2010 10 31 000000 06 49 13.9 +14 58 53   0.139   1.059  115.0  58.1   4.7    5.88    150.4    Gem


Path of 103P/Hartley




Click here for download Version for Print


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Best regards, Ovtchinnikov Alexey

Category: Old | Added by: Aylindel (2010.09.29) | Author: Asirion
Views: 1736 | Comments: 1 | Tags: 103P/Hartley map & ephemeris | Rating: 0.0/0
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