🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.41 AU - 0.65 AU

Year: 144 Days

Day: 28.8 Hours

Environment

Temp: 168 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.34 AU - 1.68 AU

Year: 692 Days

Day: 13.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 15.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.9

Radius: 6.6

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 13.8 AU - 16.74 AU

Year: 22244 Days

Day: 16.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,962,741 km

• M1: 82,129 km (0.047 R)
• M2: 324,777 km (0.095 R)
• M3: 1,250,937 km (0.097 R)
• M4: 5,455,386 km (0.065 R)
• M5: 5,964,916 km (0.072 R)
• M6: 7,307,856 km (0.106 R)
• M7: 8,946,701 km (0.111 R)
• M8: 15,006,162 km (0.114 R)
• M9: 18,131,711 km (0.039 R)
• M10: 20,719,305 km (0.046 R)
• M11: 27,958,496 km (0.095 R)
• M12: 48,779,378 km (0.094 R)
• M13: 50,281,939 km (0.106 R)
• M14: 54,795,606 km (0.114 R)
• M15: 61,095,621 km (0.074 R)
• M16: 70,364,106 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.3

Radius: 5.1

Gravity: 15.89 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 16.24 AU - 22.24 AU

Year: 31460 Days

Day: 20.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,962,741 km

• M1: 81,232 km (0.043 R)
• M2: 328,367 km (0.074 R)
• M3: 650,152 km (0.032 R)
• M4: 834,158 km (0.066 R)
• M5: 2,160,941 km (0.114 R)
• M6: 2,480,781 km (0.109 R)
• M7: 3,101,912 km (0.096 R)
• M8: 3,570,153 km (0.094 R)
• M9: 5,061,195 km (0.111 R)
• M10: 7,772,806 km (0.1 R)
• M11: 8,688,495 km (0.07 R)
• M12: 13,221,609 km (0.106 R)
• M13: 15,080,363 km (0.1 R)
• M14: 16,583,822 km (0.084 R)
• M15: 18,460,826 km (0.104 R)
• M16: 22,313,869 km (0.116 R)
• M17: 24,707,435 km (0.071 R)
• M18: 28,734,909 km (0.07 R)
• M19: 43,562,302 km (0.104 R)
• M20: 54,951,487 km (0.089 R)
• M21: 80,112,203 km (0.103 R)
• M22: 83,617,580 km (0.1 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 19,493 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit