Algodoo

<markup><b>Ventist</b></markup>
"Ventist is a G-class star about as old as our star, but twice the mass and somehow holding even more planets. Scientists are impressed. Also suspicious. It shines brightly, burns hot, and definitely isn’t hiding anything. Probably."
<markup><b>Husta</b></markup>
"The system’s first planet and a gas giant so hot it got mistaken for a brown dwarf. It’s just methane, hydrogen, helium, and a few unknowns. Not a brown dwarf, we double-checked."
<markup><b>Ecori</b></markup>
"Second planet in the system, about 0.8× the size of Earth, with surface temperatures rivaling Mercury. Originally mistaken for a moon of Husta, until someone zoomed in. Turns out it’s an independent planet with its own moon, which is honestly impressive, given how close it is to the star."
<markup><b>Bulivo and Bivoli</b></markup>
"A rare double planet. Both Earth-sized. Orbiting so close, Bivoli’s crust is starting to melt. Romantic? Maybe. Safe? Not at all."
<markup><b>Alban</b></markup>
"The celebrity of the system. Habitable, Earth-like, even has a Moon-style satellite. We have seeded life here to “study development.” Totally scientific. Definitely not unethical."
<markup><b>Arcan</b></markup>
"Imagine Venus, but with methane oceans, spinning so fast it’s shaped like an egg. Now add a ring. It’s the first ringed terrestrial planet we’ve ever found. Imagine landing there and looking up. “Wow, is that a ring?” Yes. Yes it is."
<markup><b>Qesne</b></markup>
"What even is this? Ceres? Not important, let's move on."
<markup><b>Kolectus</b></markup>
"The biggest planet in the system. Makes Jupiter look like a golf ball. Its ring outshines Saturn’s, and one of its moons might be habitable. Thanks to tidal heating. As for the radiation? Well let's hope that your brain doesn't get fried there."
<markup><b>Heivan</b></markup>
"A super-Neptune with storms bigger than anything on Jupiter. It’s blue, and we like blue. Scientists think it once had a massive ring system, but it collapsed into a bunch of small moons. It's might be the gravity doing something weird again."
<markup><b>Theros</b></markup>
"Basically the Pluto of the system. But still a planet. For now. It has three moons, all of which are officially classified as “boring.” Scientists are considering naming them anyway, just to feel something."
<markup><b>Krimel</b></markup>
"Looks a lot like Makemake and its moon, if you squint. It’s red, small, and we’ve only seen it once. Could be part of the system. Could also be passing through. Might go missing again. Honestly, we’re not sure it was ever really here."
<markup><b>Zek and Zok</b></markup>
"Yes, there’s a second double planet in the system. Wonderful! Zek and Zok are bright blue, very blue, aggressively blue. They orbit each other a little too close for comfort. But not dangerously close. Probably. Nothing’s exploded yet."