🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.46 AU - 3 AU

Year: 1682 Days

Day: 36.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.31 AU - 3.81 AU

Year: 1995 Days

Day: 27.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.22 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 17.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.2

Radius: 3.6

Gravity: 16.6 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 14.02 AU - 20.72 AU

Year: 26987 Days

Day: 16.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,778,133 km

• M1: 47,423 km (0.026 R)
• M2: 279,748 km (0.088 R)
• M3: 542,143 km (0.105 R)
• M4: 1,066,932 km (0.027 R)
• M5: 1,259,764 km (0.071 R)
• M6: 1,371,812 km (0.119 R)
• M7: 1,568,234 km (0.12 R)
• M8: 1,961,677 km (0.094 R)
• M9: 4,556,003 km (0.073 R)
• M10: 4,993,278 km (0.037 R)
• M11: 7,200,894 km (0.105 R)
• M12: 7,561,724 km (0.063 R)
• M13: 9,983,414 km (0.089 R)
• M14: 11,069,794 km (0.043 R)
• M15: 11,308,253 km (0.115 R)
• M16: 12,169,488 km (0.096 R)
• M17: 14,230,647 km (0.075 R)
• M18: 15,751,908 km (0.104 R)
• M19: 17,700,270 km (0.086 R)
• M20: 18,026,095 km (0.112 R)
• M21: 18,522,610 km (0.116 R)
• M22: 22,444,617 km (0.108 R)
• M23: 24,902,211 km (0.097 R)
• M24: 28,859,673 km (0.083 R)
• M25: 28,972,171 km (0.086 R)
• M26: 58,365,460 km (0.083 R)
• M27: 58,905,957 km (0.11 R)
• M28: 61,845,405 km (0.074 R)
• M29: 63,161,717 km (0.049 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401

Radius: 4.5

Gravity: 19.8 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 15.18 AU - 23.16 AU

Year: 31289 Days

Day: 23.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,778,133 km

• M1: 110,553 km (0.118 R)
• M2: 262,245 km (0.066 R)
• M3: 499,806 km (0.108 R)
• M4: 1,058,704 km (0.093 R)
• M5: 2,864,949 km (0.075 R)
• M6: 3,826,564 km (0.071 R)
• M7: 5,460,322 km (0.066 R)
• M8: 8,842,730 km (0.117 R)
• M9: 12,531,215 km (0.12 R)
• M10: 13,182,564 km (0.099 R)
• M11: 15,847,650 km (0.117 R)
• M12: 18,295,670 km (0.106 R)
• M13: 25,265,136 km (0.112 R)
• M14: 28,709,028 km (0.069 R)
• M15: 31,258,325 km (0.11 R)
• M16: 40,892,279 km (0.118 R)
• M17: 57,877,771 km (0.096 R)
• M18: 59,072,758 km (0.034 R)
• M19: 60,691,407 km (0.119 R)
• M20: 65,509,356 km (0.096 R)
• M21: 68,563,247 km (0.043 R)
• M22: 77,568,590 km (0.057 R)
• M23: 79,753,018 km (0.084 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 14,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit