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Comet 103P/Hartley in November 2010

Hartley 2 in November 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.

EPOXI is an extended mission of the Deep Impact spacecraft. Its name is derived from its two tasked science investigations -- the Extrasolar Planet Observation and Characterization (EPOCh) and the Deep Impact Extended Investigation (DIXI). On Nov. 4, 2010, the mission will fly by Hartley 2 using all three of the spacecraft's instruments (two telescopes with digital imagers and an infrared spectrometer).

The University of Maryland, College Park, is the principal investigator institution. JPL manages EPOXI for NASA's Science Mission Directorate, Washington. The spacecraft was built for NASA by Ball Aerospace & Technologies Corp., Boulder, Colo.

The comet has passed within 0.121 AU (11.3 million miles or 18 million km) of the Earth on October 20 2010, and perihelion on October 28, 2010 at a distance of 1.059 AU from the Sun.

Here you will find comet ephemeris for November 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 11 01 000000 06 53 51.4 +12 58 55 0.143 1.060 114.6 58.4 4.8 5.58 151.0 Gem

2010 11 02 000000 06 58 06.8 +11 04 35 0.146 1.061 114.2 58.6 4.8 5.28 151.7 Mon

2010 11 03 000000 07 02 02.0 +09 15 51 0.150 1.062 113.9 58.7 4.9 4.99 152.3 Mon

2010 11 04 000000 07 05 38.6 +07 32 40 0.154 1.063 113.6 58.8 5.0 4.70 152.9 Mon

2010 11 05 000000 07 08 58.0 +05 54 53 0.158 1.064 113.3 58.8 5.0 4.43 153.4 CMi

2010 11 06 000000 07 12 01.7 +04 22 19 0.162 1.066 113.2 58.8 5.1 4.17 154.0 CMi

2010 11 07 000000 07 14 50.8 +02 54 46 0.166 1.067 113.0 58.7 5.2 3.93 154.6 CMi

2010 11 08 000000 07 17 26.4 +01 32 01 0.171 1.069 112.9 58.6 5.2 3.69 155.1 CMi

2010 11 09 000000 07 19 49.6 +00 13 49 0.175 1.071 112.9 58.4 5.3 3.47 155.7 CMi

2010 11 10 000000 07 22 01.1 -01 00 01 0.180 1.073 112.9 58.2 5.4 3.27 156.3 Mon

2010 11 11 000000 07 24 01.9 -02 09 46 0.185 1.076 113.0 57.9 5.5 3.07 156.9 Mon

2010 11 12 000000 07 25 52.6 -03 15 37 0.190 1.078 113.0 57.6 5.5 2.88 157.6 Mon

2010 11 13 000000 07 27 33.9 -04 17 49 0.194 1.081 113.2 57.3 5.6 2.71 158.2 Mon

2010 11 14 000000 07 29 06.4 -05 16 32 0.199 1.084 113.3 57.0 5.7 2.55 158.9 Mon

2010 11 15 000000 07 30 30.7 -06 12 00 0.204 1.087 113.5 56.6 5.8 2.39 159.7 Mon

2010 11 16 000000 07 31 47.1 -07 04 23 0.209 1.090 113.7 56.1 5.9 2.25 160.5 Mon

2010 11 17 000000 07 32 56.1 -07 53 51 0.214 1.094 114.0 55.7 5.9 2.11 161.4 Mon

2010 11 18 000000 07 33 58.1 -08 40 33 0.219 1.097 114.3 55.2 6.0 1.99 162.3 Mon

2010 11 19 000000 07 34 53.6 -09 24 40 0.224 1.101 114.6 54.7 6.1 1.86 163.3 Mon

2010 11 20 000000 07 35 42.7 -10 06 19 0.229 1.105 114.9 54.2 6.2 1.75 164.3 Mon

2010 11 21 000000 07 36 25.9 -10 45 38 0.234 1.109 115.3 53.7 6.2 1.64 165.5 Mon

2010 11 22 000000 07 37 03.3 -11 22 44 0.240 1.113 115.7 53.1 6.3 1.54 166.7 Pup

2010 11 23 000000 07 37 35.2 -11 57 43 0.245 1.117 116.1 52.6 6.4 1.45 168.1 Pup

2010 11 24 000000 07 38 01.9 -12 30 42 0.250 1.121 116.5 52.0 6.5 1.36 169.6 Pup

2010 11 25 000000 07 38 23.6 -13 01 45 0.255 1.126 117.0 51.4 6.6 1.27 171.2 Pup

2010 11 26 000000 07 38 40.4 -13 30 59 0.260 1.131 117.4 50.8 6.6 1.19 172.9 Pup

2010 11 27 000000 07 38 52.5 -13 58 27 0.265 1.136 117.9 50.2 6.7 1.11 174.9 Pup

2010 11 28 000000 07 39 00.2 -14 24 14 0.271 1.141 118.4 49.5 6.8 1.04 177.0 Pup

2010 11 29 000000 07 39 03.5 -14 48 23 0.276 1.146 118.9 48.9 6.9 0.97 179.3 Pup

2010 11 30 000000 07 39 02.7 -15 10 58 0.281 1.151 119.5 48.3 7.0 0.91 181.8 Pup

Path of 103P/Hartley

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