◈ Mission Control · Objects

Planets

Solar system ephemeris — real-time altitude, rise/set, magnitude & planetary details

◈ Tonight's Planetary Briefing Live · Local Sky ●

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BEST NAKED EYE

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BEST TELESCOPE

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BRIGHTEST

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HIGHEST TONIGHT

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CHALLENGE OBJECT

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SKIP TONIGHT

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☀ Quick Status

☿ Mercury —

♀ Venus —

♂ Mars —

♃ Jupiter —

♄ Saturn —

⛢ Uranus —

♆ Neptune —

♇ Pluto —

▶ Tonight's Timeline Sunset → Sunrise

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Peak

▬ Observable (>30°) ▬ Fair (15–30°) ▬ Low (<15°)

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Mercury

Innermost planet · 0.39 AU avg

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♀

Venus

Evening/Morning Star · 0.72 AU

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♂

Mars

The Red Planet · 1.52 AU avg

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♃

Jupiter

Largest planet · 5.20 AU avg

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Saturn

Lord of the Rings · 9.58 AU

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Uranus

Ice Giant · 19.2 AU avg

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Neptune

Farthest giant · 30.1 AU avg

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Pluto

Dwarf planet · 39.5 AU avg

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◎ Solar System — Ecliptic View Live · Heliocentric

Log scale

Speed

Trails AU Rings Asteroid Belt Kuiper Belt

◎ Select a planet to view details

⟳ Orbital Forecast Oppositions · Conjunctions · Elongations

Computing orbital events…

◈ Planet Comparisons Physical & current data

Relative Size (√ scale)

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Distance from Sun (log scale · avg orbital)

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Apparent Brightness (lower mag = brighter)

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Angular Diameter Tonight

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Observing Difficulty

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▸ Planet Deep Data Phase · Elongation · Difficulty

☿ Mercury

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♀ Venus

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♂ Mars

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♃ Jupiter

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♄ Saturn

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⛢ Uranus

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♆ Neptune

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♇ Pluto

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♃ Jupiter System — Galilean Moons Computed via astronomy-engine Positions estimated · Transit/shadow detection not implemented

Moon	Side	Dist (JR)	Depth
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Io orbits in ~1.77d · Europa ~3.55d · Ganymede ~7.15d · Callisto ~16.69d. "Behind" = farther from Earth than Jupiter's center. Transit/shadow events not shown.