🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.12 AU - 1.32 AU

Year: 480 Days

Day: 30.9 Hours

Environment

Temp: 10 °C

Axial Tilt: 26.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.89 AU - 2.89 AU

Year: 1317 Days

Day: 15.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.1

Radius: 13.7

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.75 AU - 7.79 AU

Year: 5596 Days

Day: 13.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,207,355 km

• M1: 170,392 km (0.109 R)
• M2: 910,752 km (0.056 R)
• M3: 2,991,209 km (0.047 R)
• M4: 7,899,815 km (0.053 R)
• M5: 9,016,114 km (0.115 R)
• M6: 10,765,811 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.7

Radius: 14.5

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.46 AU - 8.92 AU

Year: 9131 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,207,355 km

• M1: 180,565 km (0.057 R)
• M2: 963,859 km (0.065 R)
• M3: 1,793,379 km (0.09 R)
• M4: 2,660,748 km (0.075 R)
• M5: 3,378,070 km (0.045 R)
• M6: 4,379,328 km (0.077 R)
• M7: 4,875,993 km (0.12 R)
• M8: 5,955,940 km (0.099 R)
• M9: 6,507,807 km (0.115 R)
• M10: 6,999,086 km (0.115 R)
• M11: 7,482,138 km (0.118 R)
• M12: 8,056,593 km (0.107 R)
• M13: 9,486,599 km (0.086 R)
• M14: 10,530,045 km (0.118 R)
• M15: 11,560,026 km (0.106 R)
• M16: 13,084,727 km (0.112 R)
• M17: 21,334,302 km (0.097 R)
• M18: 23,406,831 km (0.106 R)
• M19: 24,713,119 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.6

Radius: 6.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 10.35 AU - 17.21 AU

Year: 18233 Days

Day: 15.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,207,355 km

• M1: 77,492 km (0.045 R)
• M2: 276,756 km (0.091 R)
• M3: 567,724 km (0.112 R)
• M4: 2,593,728 km (0.099 R)
• M5: 3,202,741 km (0.104 R)
• M6: 4,550,169 km (0.113 R)
• M7: 5,533,027 km (0.089 R)
• M8: 6,311,534 km (0.113 R)
• M9: 6,688,521 km (0.108 R)
• M10: 7,654,773 km (0.09 R)
• M11: 8,040,138 km (0.096 R)
• M12: 9,226,149 km (0.111 R)
• M13: 10,061,953 km (0.087 R)
• M14: 11,939,855 km (0.12 R)
• M15: 14,616,909 km (0.092 R)
• M16: 15,010,501 km (0.096 R)
• M17: 16,233,763 km (0.114 R)
• M18: 18,417,742 km (0.11 R)
• M19: 20,955,221 km (0.05 R)
• M20: 21,963,959 km (0.09 R)
• M21: 26,906,374 km (0.098 R)
• M22: 29,634,590 km (0.043 R)
• M23: 36,226,920 km (0.116 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 10,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit