Mercury
Rocky world closest to the Sun.
Solar System Planets: Facts, Images & Live Positions
Explore all eight planets of the Solar System with realistic planetary imagery, key physical facts and links to live positions, distances and observing tools.
Venus
Cloud-covered planet with an extremely hot surface.
Earth
Ocean world and our observing platform.
Mars
Cold desert planet with iron-rich surface material.
Jupiter
Largest planet, with a deep banded atmosphere.
Saturn
Gas giant surrounded by a broad icy ring system.
Uranus
Ice giant with an extreme axial tilt.
Neptune
Distant ice giant with powerful atmospheric winds.
Planet texture artwork: Solar System Scope 2K textures, CC BY 4.0, based on NASA imagery/elevation data. Textures are reference maps, not live atmospheric imagery.
The eight major planets
The Solar System has eight recognized planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. The first four are relatively small rocky worlds. Jupiter and Saturn are gas giants, while Uranus and Neptune are commonly described as ice giants because a larger fraction of their interiors contains heavier volatile materials compared with Jupiter and Saturn.
Each planet card on this page summarizes a few stable physical facts, while the live pages handle values that change with time. That distinction keeps a permanent reference from being confused with current ephemeris data.
Rocky planets and giant planets
Mercury has a heavily cratered surface and almost no substantial atmosphere. Venus is similar to Earth in size but has a dense, hot atmosphere. Earth has abundant surface liquid water, and Mars preserves evidence of a wetter ancient environment. These terrestrial planets occupy the compact inner region of the Solar System.
Beyond the asteroid belt, Jupiter dominates by mass among the planets. Saturn is famous for its broad icy rings. Uranus has an extreme axial tilt, and Neptune orbits at roughly 30 astronomical units from the Sun. Their visible disks are atmospheres rather than solid surfaces.
VenusImages versus live atmospheric appearance
Global planet textures are invaluable for identification, but they should not be interpreted as a live camera feed. Rocky-world mosaics may combine images collected over many spacecraft passes, while the banding and storms of giant planets evolve. The visual assets in this section are therefore reference imagery.
The current position of the globe in Solar System Live is separate from its visual texture. Position comes from the JPL ephemeris; texture makes the planet recognizable.
Continue from facts to live geometry
After reading about a planet, open Solar System Live to see where it is now, Planet Positions Today for its current coordinates, or the distance tables for its separation from Earth and the Sun. If your goal is observing from the ground, continue to Planets Visible Tonight.
This linked structure lets SpaceTracker.live cover planetary science, geometry and practical skywatching without duplicating existing pages or changing their URLs.
Planet classes and composition
Mercury, Venus, Earth and Mars are terrestrial planets: relatively compact worlds dominated by rock and metal. Jupiter and Saturn are gas giants with massive hydrogen-and-helium envelopes. Uranus and Neptune are ice giants, a term that reflects the larger role of materials such as water, ammonia and methane in models of their interiors, even though the visible layers are atmospheres.
These classes are useful summaries, not statements that every member is identical. Venus and Earth are similar in size yet have radically different surface environments. Uranus and Neptune are comparable in radius but differ in atmospheric appearance, internal heat output and magnetic geometry. The cards are therefore starting points for exploration rather than complete planetary descriptions.
JupiterDays, years and axial tilt
A planet’s day and year describe different motions. The orbital period is the time required to complete one revolution around the Sun. Rotation refers to spin about the planet’s axis, and the astronomical sidereal rotation period can differ from the solar day experienced at the surface. Venus rotates very slowly and in the opposite sense to most planets, while Jupiter completes a rotation in less than ten hours despite its enormous size.
Axial tilt controls how the spin axis is oriented relative to the orbit. Earth’s tilt drives familiar seasons. Uranus is the extreme example: its axis lies almost on its side, creating unusual seasonal illumination over its 84-Earth-year orbit. Solar System Live uses visual axial tilts to help distinguish these worlds, while the live ephemeris controls where their centres are in orbit.
Why one global image cannot be completely “live”
Rocky planets have long-lived surface features, so global mosaics can remain useful visual references even when they combine data acquired on different dates. Giant planets are different because we see changing cloud layers. Jupiter’s belts, Saturn’s storms and Neptune’s atmospheric features evolve. A texture wrapped around a sphere can look realistic without claiming to reproduce the exact clouds visible at this minute.
SpaceTracker.live separates visual appearance from dynamical position for that reason. The renderer uses recognizable texture artwork, while the body’s location in the Solar System comes from JPL. The credit note on the live tool identifies the texture source and explicitly states that it is reference imagery.
NeptuneThe inner planets, one by one
Mercury is small, heavily cratered and close to the Sun, yet Venus has the hottest surface because its dense atmosphere traps heat. Earth combines oceans and a breathable atmosphere with a dynamic surface; Mars preserves evidence of water in its past and has a much thinner atmosphere today. NASA’s planet guide discusses these very different outcomes among four rocky neighbours.
Their orbital periods also differ. Mercury completes a revolution in about 88 Earth days, Venus in about 225 and Mars in roughly 687. Those figures describe motion around the Sun, not the changing distance from Earth. Open Solar System Live to view their current arrangement, or Planet Positions Today to compare all eight heliocentric longitudes at one epoch.
Giant planets and changing appearances
Jupiter and Saturn are gas giants whose visible features lie in active atmospheres. Jupiter’s cloud belts and Great Red Spot are not fixed surface markings; Saturn’s rings consist of countless icy particles. Uranus and Neptune are ice giants, distinct in composition and atmospheric behaviour from the larger gas giants. The planet cards identify their broad classes, while NASA Solar System Exploration offers deeper mission and discovery context.
The local globe artwork is an educational reference, with texture sources credited on this page. It is not a live camera feed from each world, and clouds can evolve after an image was assembled. To study where a giant planet is now, follow the live data link rather than inferring its orbital longitude from the orientation of a static globe.
Moons, small bodies and the edges of this guide
Planets are not the entire Solar System. Natural satellites orbit many of them, the asteroid belt lies between Mars and Jupiter, and dwarf planets occupy several regions. Earth’s Moon has its own live tracker on SpaceTracker.live, while the Sun remains the central star that supplies most of the system’s mass and light. A list of eight major planets is therefore a useful starting point, not a complete inventory.
Pluto is a dwarf planet under the international classification adopted in 2006, which is why it is not a ninth planet card here. This page keeps the eight-planet guide focused. If your question is what you can actually see tonight, Planets Visible Tonight adds location and horizon information that a physical-planet comparison cannot provide.
Reference: brightness and apparent size from Earth
Facts on the cards above describe the planets themselves. This table describes how they look from Earth, which is what decides what you can actually see.
| Planet | Apparent magnitude (smaller = brighter) | Angular diameter | Observing notes |
|---|---|---|---|
| Mercury | −2.4 to +5.7 | 4.5″ – 13″ | Only near greatest elongation, low in twilight |
| Venus | −4.9 to −3.8 | 9.7″ – 66″ | Brightest planet; evening or morning star |
| Mars | −2.9 to +1.9 | 3.5″ – 25″ | Best within a few months of opposition |
| Jupiter | −2.9 to −1.7 | 30″ – 50″ | Easy all year except near conjunction; moons in binoculars |
| Saturn | −0.5 to +1.2 | 15″ – 20″ (globe) | Rings need a telescope; tilt changes the brightness |
| Uranus | 5.4 to 6.0 | 3.3″ – 4.1″ | Binoculars; just at the naked-eye limit in a very dark sky |
| Neptune | 7.8 to 8.0 | 2.2″ – 2.4″ | Telescope or good binoculars only |
Angular size is measured in arcseconds (″); 60″ equal one arcminute. Venus can be 66″ across at its closest, large enough to show a crescent in binoculars, while Neptune never exceeds 2.4″ and looks like a star in most telescopes. A planet that is big is not always bright: the brightness also depends on its distance from the Sun, how much sunlight it reflects, and the phase we see.
Content last reviewed: 30 October 2026. Reference values are rounded; live figures in the tool above always take priority.
KEEP EXPLORING
Related tools & authoritative sources
Continue from Solar System geometry to observing tools, calculators and primary astronomy references.
On SpaceTracker.live
Solar System Live →Planet Positions Today →Planet Distance from Earth →Planet Distance from Sun →Planets Visible Tonight →Planet Near the Moon →Planetary Events Calendar →Astronomy Space Calculators →Primary external references
NASA/JPL Horizons ↗JPL Horizons API documentation ↗NASA Solar System Exploration ↗NASA Planetary Fact Sheet ↗External sources open in a new tab. SpaceTracker.live remains an independent educational interface.
Frequently asked questions
How many planets are in the Solar System?
The International Astronomical Union classification recognizes eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
Is Pluto included as a planet?
Pluto is classified as a dwarf planet, so it is not included among the eight major planets on this page. It can be added later as a separate dwarf-planet resource without changing existing planet URLs.
Where can I see the planets moving right now?
Open Solar System Live from this category to view the current JPL-derived heliocentric positions in an interactive 3D scene.