Comet Siding Spring Orbit
Light takes 2 hours 28 minutes and 8 0324 seconds to travel from comet c 2013 a1 siding spring and arrive to us.
Comet siding spring orbit. Several spacecraft from nasa europe and india were expected to track the comet s approach from their positions in orbit. Comet siding spring flew about 87 000 miles from mars during the encounter. The latest trajectory of comet 2013 a1 siding spring generated by the near earth object program office at nasa s jet propulsion laboratory in pasadena calif indicates the comet will pass within 186 000 miles 300 000 kilometers of mars and there is a strong possibility that it might pass much closer. The most interesting thing about c 2013 a1 s orbit is that it will come very close to mars on october 19 2014.
Siding spring came within 1 2 astronomical units of earth and 2 25 au of the sun on october 7 2009. The comet was visible with binoculars until january 2010. C 2007 q3 siding spring is an oort cloud comet that was discovered by donna burton in 2007 at siding spring observatory in new south wales australia. Its orbital path can be seen in the movie below.
19 comet c 2013 a1 also known as comet siding spring will pass within about 87 000 miles 139 500 kilometers of the red planet less than half the distance between earth and our moon and less than one tenth the distance of any known comet flyby of earth. In 2013 it was thought possible that comet siding spring would create a meteor shower on mars or be a threat to the spacecraft in mars orbit. The greatest threat would be about 100 minutes after closest approach. The distance of comet c 2013 a1 siding spring from earth is currently 2 664 565 082 kilometers equivalent to 17 811517 astronomical units.
The orbit of comet siding spring c 2013 a1 is highly eccentric. 1003228 ephemeris orbit diagram orbital elements physical parameters close approach data. Studies in 2014 showed the threat to orbiting spacecraft to be minimal. Nasa s opportunity rover and mars reconnaissance orbiter had their cameras fixated on comet c 2013 a1 siding spring on october 19th 2014.
It spends the vast majority of its life in the oort cloud.