Sentences with phrase «known orbital periods»

These are cyclic, based on fairly well known orbital periods, so it is really very straightforward to add to the mix.

Led by Renu Malhotra, a Regents» Professor of Planetary Sciences in the UA's Lunar and Planetary Lab, the team found that the four Kuiper Belt Objects with the longest known orbital periods revolve around the Sun in patterns most readily explained by the presence of a hypothetical «Planet Nine» approximately ten times the mass of Earth.

Not exact matches

He did, but even if you don't know what that means, and simply put he found that a planet's orbital period and distance are related, very soon you can gaze through the new observatory here at the same stars and planets that Kepler observed 400 years ago.

Little is known about these faraway worlds beyond bulk properties such as their orbital periods, estimated masses and, on relatively rare occasions, their diameters.

Here we report observations of the bright star HD 195689 (also known as KELT - 9), which reveal a close - in (orbital period of about 1.48 days) transiting giant planet, KELT - 9b.

At the moment, only a few properties of the planets are known: approximate masses, orbital periods, and distances to the star.

We know that it has an orbital period of a little over 11 days (yes, a «year» on Proxima b is only 11 days).

Star A, however, is no longer thought to have a spectroscopic binary companion with a nine - day orbital period (Morbey and Griffin, 1987; and Helmut Abt, 1987).

Lead study author Fabio Feng of the University of Hertfordshire told Gizmodo that we should be cautious defining the habitable zone of exoplanets, but he said he regards the two outer planets as «habitable zone candidates,» especially since their orbital periods are not precisely known.

Triton is a moon in a close retrograde orbit, data is very sparse, its «year» around Neptune is short, but Neptune's orbital period is longer than we have known about Triton, so again no data on long term secular trends.