🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.58 AU - 0.64 AU

Year: 167 Days

Day: 38.4 Hours

Environment

Temp: 161 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.94 AU - 2.2 AU

Year: 1042 Days

Day: 13.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,210,859 km

• M1: 219,460 km (0.079 R)

Asteroid Belt

Center: 5.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.2

Radius: 12.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.48 AU - 10.96 AU

Year: 10602 Days

Day: 12.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,210,859 km

• M1: 164,109 km (0.078 R)
• M2: 675,285 km (0.091 R)
• M3: 1,147,416 km (0.111 R)
• M4: 1,732,194 km (0.114 R)
• M5: 2,221,528 km (0.104 R)
• M6: 3,483,985 km (0.047 R)
• M7: 3,960,454 km (0.062 R)
• M8: 5,078,100 km (0.117 R)
• M9: 5,552,325 km (0.111 R)
• M10: 5,982,120 km (0.086 R)
• M11: 6,629,280 km (0.103 R)
• M12: 8,199,609 km (0.064 R)
• M13: 9,342,985 km (0.027 R)
• M14: 12,725,094 km (0.071 R)
• M15: 14,656,103 km (0.069 R)
• M16: 21,006,533 km (0.108 R)
• M17: 21,439,170 km (0.114 R)
• M18: 23,599,214 km (0.044 R)
• M19: 26,198,477 km (0.049 R)
• M20: 35,499,276 km (0.1 R)
• M21: 35,990,256 km (0.045 R)
• M22: 38,513,074 km (0.101 R)
• M23: 39,817,717 km (0.116 R)
• M24: 47,822,550 km (0.073 R)
• M25: 52,120,945 km (0.06 R)
• M26: 53,234,552 km (0.044 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.1

Radius: 3.5

Gravity: 43.11 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 16.18 AU - 20.92 AU

Year: 27951 Days

Day: 23.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,210,859 km

• M1: 43,832 km (0.113 R)
• M2: 194,178 km (0.083 R)
• M3: 4,352,251 km (0.079 R)
• M4: 6,547,749 km (0.114 R)
• M5: 7,218,546 km (0.113 R)
• M6: 12,584,921 km (0.069 R)
• M7: 25,447,047 km (0.105 R)
• M8: 25,909,603 km (0.113 R)
• M9: 26,142,976 km (0.119 R)
• M10: 29,559,193 km (0.098 R)
• M11: 34,092,607 km (0.115 R)
• M12: 44,172,960 km (0.045 R)
• M13: 45,345,957 km (0.108 R)
• M14: 46,711,786 km (0.09 R)
• M15: 53,575,186 km (0.091 R)
• M16: 61,080,511 km (0.115 R)
• M17: 62,535,351 km (0.101 R)
• M18: 67,257,856 km (0.088 R)
• M19: 74,307,656 km (0.098 R)
• M20: 75,488,881 km (0.078 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 12,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit