astronomy

Megaclite

Megaclite is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Megaclite rather than just read about it. In short: Megaclite , also known as Jupiter XIX, is one of Jupiter's smallest and outermost natural satellites. Discovery and Naming It was discovered by a team of astronomers from the University of Hawaiʻi led by Scott S.

Key takeaways

Megaclite belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Megaclite to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Megaclite from memory before moving on to harder problems.

Reference excerpt

Megaclite , also known as Jupiter XIX, is one of Jupiter's smallest and outermost natural satellites.

Discovery and Naming It was discovered by a team of astronomers from the University of Hawaiʻi led by Scott S. Sheppard in 2000, and given the temporary designation S/2000 J 8. It was named in October 2002 after Megaclite, mother by Zeus (Jupiter) of Thebe and Locrus in Greek mythology. It was initially erroneously named Magaclite, which was corrected in November 2002. Despite this correction, some earlier research still referred to the moon as Magaclite.

Orbit Megaclite orbits Jupiter (on average at 23.5 million km) on a high-eccentricity (0.440) and high-inclination (148° to ecliptic) retrograde orbit. The orbital elements are continuously changing due to solar and planetary perturbations. It belongs to the Pasiphae group, a group of retrograde moons of Jupiter with semi-major axes spread over 22–25 million km, inclinations between 141° and 158°, and higher eccentricities between 0.22 and 0.44.

Physical characteristics Megaclite's estimated diameter is 6 kilometers, assuming an albedo of 4%. While Pasiphae belongs to the grey color class (B−V=0.74, V−R=0.38), Megaclite falls under the light red color class (B−V=0.94, V−R=0.41 ), similarly to Callirrhoe and Sinope.

Origin Megaclite probably did not form near Jupiter but was captured by Jupiter later. Megaclite is believed to be a fragment from a captured asteroid along with other Pasiphae group satellites. However, it falls into a different color class than Pasiphae and could therefore have been captured by Jupiter independently of the Pasiphae group.

References

Illustrations

Worked examples

Example 1 — a first encounter with Megaclite

Start with the simplest possible case. Write down what Megaclite claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Megaclite before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Megaclite ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Megaclite

In research: Megaclite appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Megaclite in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Megaclite is common in secondary-school and first-year university syllabi. It links to neighbouring topics Astronomical objects discovered in 2000, Discoveries by David C. Jewitt, Discoveries by Eugene A. Magnier, so understanding it makes those chapters shorter.
In everyday life: Look for Megaclite outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Megaclite in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Megaclite means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Megaclite out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Megaclite in simple terms?

Megaclite , also known as Jupiter XIX, is one of Jupiter's smallest and outermost natural satellites. Discovery and Naming It was discovered by a team of astronomers from the University of Hawaiʻi led by Scott S.

Why does Megaclite matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Megaclite?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Megaclite.