The European Space Agency (ESA) finally released a proper model for the shape of Comet 67P/Churyumov-Gerasimenko this week.

The space organization's Rosetta mission will put a small robot on the surface of this "ice mountain" on Nov. 12, according to the BBC.

The model provides more details on the comet's size and also allows enthusiast to print their own 3D version of the duck-shaped object.

Rosetta has been flying around 67P since August.

ESA Flight Director Andrea Accomazzo said to the International Astronautical Congress in Toronto on Friday that a final decision on how close to get to 67P would be made next week.

The landing maneuver is scheduled for the afternoon of Wednesday, November 12.

Rosetta will try to deploy its Philae lander to the surface in a procedure that is likely to take seven hours. The robot will be aimed at the "head" of the "duck."

If it gets down successful, it would be a historic first for space exploration. That is a big "if" because of the difficulties involved, according to BBC.

The shape model released shows more definitive physical parameters for 67P. Previously, scientists used estimates to describe the object's size.

Now they have measurements to the two figures.

The head, or smaller lobe of the comet, is 2.5km by 2.5km by 2.0km. The "body" is described as being 4.1km by 3.2km by 1.3km.

Early studies showed that the mass of the comet was about 10 billion tons, with a density of 400 kilograms per cubic meter. 

The comet completes one rotation every 12.4043 hours, according to the ESA. The surface temperature of the comet is around minus 68 degrees Celsius and minus 43 C, while the subsurface temperature is between minus 243 C and minus 113 C.

Water, carbon monoxide, carbon dioxide, ammonia, methane, and methanol have all been discovered on the comet by Rosetta.

It took mission scientists almost two months to release Friday's simple data-set.

The files are available in .wrl and .obj formats.

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