🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.72 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.26 AU - 3.6 AU

Year: 2243 Days

Day: 24.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.33 AU - 4.87 AU

Year: 2931 Days

Day: 15.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,667,883 km

• M1: 2,495,292 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.3 AU - 4.96 AU

Year: 2964 Days

Day: 23.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.6

Radius: 12.2

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.62 AU - 7.72 AU

Year: 6083 Days

Day: 5.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,667,883 km

• M1: 151,842 km (0.096 R)
• M2: 621,579 km (0.06 R)
• M3: 1,045,689 km (0.093 R)
• M4: 1,552,078 km (0.104 R)
• M5: 2,123,691 km (0.082 R)
• M6: 2,813,188 km (0.073 R)
• M7: 3,200,646 km (0.08 R)
• M8: 3,813,250 km (0.057 R)
• M9: 4,238,257 km (0.098 R)
• M10: 4,892,449 km (0.112 R)
• M11: 6,232,397 km (0.061 R)
• M12: 7,531,505 km (0.116 R)
• M13: 9,761,859 km (0.081 R)
• M14: 10,465,867 km (0.069 R)
• M15: 11,456,953 km (0.069 R)
• M16: 14,326,390 km (0.098 R)
• M17: 15,360,261 km (0.111 R)
• M18: 16,837,240 km (0.106 R)
• M19: 17,440,269 km (0.089 R)
• M20: 20,598,280 km (0.118 R)
• M21: 21,443,658 km (0.04 R)
• M22: 29,348,110 km (0.118 R)
• M23: 30,124,074 km (0.118 R)
• M24: 33,575,297 km (0.095 R)
• M25: 37,735,016 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.4

Radius: 13.8

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.08 AU - 8.74 AU

Year: 7122 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,667,883 km

• M1: 171,589 km (0.115 R)
• M2: 646,263 km (0.111 R)
• M3: 1,498,971 km (0.047 R)
• M4: 2,538,676 km (0.105 R)
• M5: 3,720,649 km (0.109 R)
• M6: 4,227,935 km (0.1 R)
• M7: 4,913,991 km (0.1 R)
• M8: 5,527,043 km (0.047 R)
• M9: 6,035,227 km (0.119 R)
• M10: 6,739,534 km (0.072 R)
• M11: 7,215,704 km (0.097 R)
• M12: 8,084,718 km (0.087 R)
• M13: 10,250,895 km (0.114 R)
• M14: 11,208,022 km (0.093 R)
• M15: 14,832,629 km (0.057 R)
• M16: 16,724,743 km (0.106 R)
• M17: 18,376,752 km (0.069 R)
• M18: 20,698,212 km (0.059 R)
• M19: 23,055,874 km (0.119 R)
• M20: 25,916,634 km (0.084 R)
• M21: 28,124,699 km (0.108 R)
• M22: 30,363,431 km (0.049 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 13,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit