Pluto planet orbital period
How do you calculate orbital period?
Use Kepler’s Third Law to calculate the orbit’s period from its semi-major axis. The Law states that the square of the period is equal to the cube of the semi-major axis (P^2 = a^3). In order for the units to be correct, the semi-major axis should be in astronomical units, and the period should be in years.
What determines the orbital period of planets?
The rotation of a planet about a spin axis is a result of the planet’s moment of inertia and the torque it has received and possibly still is receiving. The orbital period about the Sun is determined by the planet’s velocity vector and the planet’s distance from the Sun.
Why is Pluto no longer a planet?
Pluto follows the first two rules: It is round, and it orbits the sun. It does not, however, follow the third rule. It has not yet cleared the neighborhood of its orbit in space. Because it does not follow this rule, Pluto is no longer considered a planet.
Does Pluto always orbit beyond Neptune?
Answer: No. From 1979 to 1999, Pluto was the eighth planet from the sun. In 1999, it slipped beyond Neptune to become the ninth. But Pluto's 248-year orbit around the sun takes it 17 degrees above and below the plane in which Neptune and the other planets travel. So their paths don't actually cross as they swap positions.
[PDF File]ES 104 Laboratory # 2 INVESTIGATING THE SOLAR SYSTEM
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Table 2: Parameters of the Planets Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto* Mass (x1024 kg) 0.3302 4.869 5.975 0.6419 1,898.6 568.46 86.83 102.43 0.0125
[PDF File]“PHLYZICS” Kepler’s Laws
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Pluto 6 x 1023 3 x 106 5.51 x 105 5.9 x 1012 7.82 x 109 3.36 x 1018 moon 7.34 x 1022 1.74 x 106 2.36 x 106 3.8 x 108 2.36 x 106--- 2. A planet’s mean distance from the sun is 2.0 x 1011 m. What is its orbital period? 3. If a small planet were discovered whose orbital period was twice that of the Earth, how many times farther from the sun ...
[PDF File]The Jovian planets: Jupiter, The Saturn, Uranus and ...
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(Pluto is one of those objects) • It has a bluish color due to the presence of ... Orbital period ~ 84 years Northern winter solstice Southern summer solstice . ... •Uranus and Neptune has large offset of the magnetic fields from the planet’s center.
[PDF File]Comets, Dwarf Planets, Asteroids, and Meteoroids
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Pluto and Charon Orbit of Pluto is inclined 17° to the ecliptic plane. Charon is highly inclined to Pluto’s orbital plane. From separation and orbital period: Density ≈ 2 g/cm3 (both Pluto and Charon) ~35% ice and 65% rock. Large orbital inclinations Large seasonal changes on Pluto and Charon.
[PDF File]Pluto & Friends - Outline
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(4) 2003 UB313 - aka The Ò10th Planet Ó ¥Discovered in 2003 by Brown, Trujillo, & Rabinowitz ¥Size > 2210 km in diameter, I.e., equal to or larger than Pluto in size ¥Orbital Period ~ 560 years ¥Perihelion ~ 38 AU, Aphelion ~ 97 AU ¥Inclination ~ 44 degrees!! How did such a massive object get so far off the plane of the solar system??
[PDF File]The orbits and masses of satellites of Pluto
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(1:3:4:5:6) with respect to Pluto–Charon orbital period. The question of dynamical stability and the number of satellites in the Pluto system was discussed long before the Nix and Hydra discovery (Stern et al., 1994). Stern et al. (1994) showed that there is a region of …
[PDF File]Space Administration National Aeronautics and
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planet’s. Because Pluto’s orbit is so elliptical, Pluto grows much colder during the part of each orbit when it is traveling away from the Sun. During this time, the bulk of the planet’s atmosphere freezes. In 1978, American astronomers James Christy and Robert Harrington discovered that Pluto has a satellite (moon), which they named Charon.
[PDF File]Pluto and Charon - NASA
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Pluto is classified as a dwarf planet and is also a member of a . ... The space telescope is being used to scour the Pluto system to uncover potential orbital debris hazards to the New Horizons ... Rotation Period 6.387 Earth days (retrograde) Equatorial Radius (Pluto) 1,180 km (733 mi) ...
[PDF File]PLUTO’S HELIOCENTRIC ORBIT*
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[in a period of 248 years at a mean distance of about 40 astronomical units (AU)], Pluto’s heliocentric distance changes by almost 20 AU from perihelion to aphelion, and the planet makes excursions of 8 AU above and 13 AU below the plane of the ecliptic (see Figure 1). For approximately two decades in its orbital period, Pluto is closer to the
[DOCX File]How fast do the planets orbit the Sun? - Earth Science
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We refer to the length of the “year” on a particular planet as its “orbital period.” The Earth has an orbital period of about 365 days, Mars has an orbital period of about 697 days, etc. The furthest major planet, Neptune, has an orbital period of over 60,000 days – almost 165 Earth years!
[DOC File]SNC 1DI – Space – Solar System Internet Assignment
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If you are looking for a greater challenge choose meteors, comets, asteroids or a Dwarf planet such as Pluto. For your chosen planet. Obtain the following information: Basic Information: (make a chart) Orbital period (length of year) Rotational period (length of day) position in solar system (i.e. 6th planet …
[DOC File]Student Exploration Sheet: Growing Plants
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If the orbital radius is measured in astronomical units and the period is measured in Earth years, the numbers are nearly identical. Predict: Pluto has an orbital radius of 39.529 AU. Based on Kepler’s third law, what is the approximate period of Pluto’s orbit? _____ (Hint: Find the cube of the orbital radius first, and then take the square ...
[DOC File]Chapter 27 PLANETS OF THE SOLAR SYSTEM
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The Different Planet—Pluto (NOT considered a planet by the astronomy community) Pluto is smaller than Earth’s moon. It is an ice ball made of frozen gases and rocks. 27.3 The Inner Planets . Mercury: 1. Closest to the Sun. Orbits in 88 days. Rotates 1x in 58 days. Many craters/cliffs. No significant atmosphere. Day temp=427oC. Night temp=-173oC
[DOC File]Kepler’s Laws:
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11.) Below is a table of the current orbital velocities of the 8 planets and Pluto. Based on the orbital velocities, correctly name each of the planets. Top of Form. Speed in Km/s Planet Name: 6.50 30.13 5.43 35.23 46.28 5.92 10.15 22.71 12.45 12.) The Hubble space telescope is …
[DOC File]Planet definition - IAU
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A “plutino” is a small body that has a similar orbit to Pluto, that is, it has the same 248 year orbital period as Pluto. Plutino is not an official IAU description. …
[DOC File]Planetary Orbit Simulator – Pretest
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If a planet's orbital period is twice the earth's orbital period, what will its average orbital radius be? half as large. the same. four times as much. eight times as much. none of the above. Using the graph, a planet with a semimajor axis of 10 will have an orbital period of …
[DOCX File]Johannes Kepler: TheLaws of Planetary Motion
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Kepler's Third Law implies that the period for a planet to orbit the Sun increases rapidly with the radius of its orbit. Thus, we find that Mercury, the innermost planet, takes only 88 days to orbit the Sun but the outermost planet (Pluto) requires 248 years to do the same.
[DOC File]Astro 18 - Planets and Planetary Systems - Winter 2002
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What is the orbital period of the planet? Explain. b) Suppose a solar system has a star that is four times as massive as our Sun. If that solar system has a planet the same size and mass as Earth orbiting at a distance of 1 AU, what is the orbital period of the planet? ... Pluto's moon Charon orbits Pluto every 6.4 days with a semimajor axis of ...
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