🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 13.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.71 AU - 0.95 AU

Year: 522 Days

Day: 8.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,746,295 km

• M1: 171,589 km (0.059 R)
• M2: 662,270 km (0.119 R)
• M3: 1,218,325 km (0.104 R)
• M4: 1,679,834 km (0.109 R)
• M5: 2,328,790 km (0.098 R)
• M6: 3,098,770 km (0.065 R)
• M7: 3,650,487 km (0.097 R)
• M8: 4,110,201 km (0.078 R)
• M9: 5,177,882 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.7

Radius: 12.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.33 AU - 1.71 AU

Year: 1294 Days

Day: 9 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,746,295 km

• M1: 160,219 km (0.059 R)
• M2: 629,358 km (0.111 R)
• M3: 1,098,796 km (0.079 R)
• M4: 1,549,086 km (0.096 R)
• M5: 1,987,707 km (0.118 R)
• M6: 2,447,720 km (0.086 R)
• M7: 3,533,053 km (0.077 R)
• M8: 3,978,705 km (0.112 R)
• M9: 4,556,751 km (0.039 R)
• M10: 5,086,627 km (0.094 R)
• M11: 5,901,337 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.1

Radius: 11.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.5 AU - 5.44 AU

Year: 7648 Days

Day: 9.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,746,295 km

• M1: 149,598 km (0.105 R)
• M2: 640,279 km (0.067 R)
• M3: 1,751,043 km (0.107 R)
• M4: 2,154,060 km (0.114 R)
• M5: 2,775,938 km (0.082 R)
• M6: 3,284,720 km (0.118 R)
• M7: 3,730,971 km (0.088 R)
• M8: 6,788,153 km (0.107 R)
• M9: 7,838,779 km (0.043 R)
• M10: 8,381,969 km (0.069 R)
• M11: 11,912,478 km (0.104 R)
• M12: 12,801,389 km (0.115 R)
• M13: 14,278,070 km (0.109 R)
• M14: 15,089,488 km (0.111 R)
• M15: 15,734,405 km (0.08 R)
• M16: 17,638,187 km (0.112 R)
• M17: 21,012,367 km (0.099 R)
• M18: 21,654,441 km (0.046 R)
• M19: 24,706,238 km (0.094 R)
• M20: 25,784,240 km (0.076 R)
• M21: 32,175,211 km (0.069 R)
• M22: 34,005,990 km (0.103 R)
• M23: 35,452,003 km (0.119 R)
• M24: 37,054,794 km (0.093 R)
• M25: 37,992,174 km (0.106 R)
• M26: 38,585,928 km (0.1 R)
• M27: 40,651,127 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.8

Radius: 6.9

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.01 AU - 7.57 AU

Year: 10889 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,746,295 km

• M1: 86,468 km (0.101 R)
• M2: 431,889 km (0.029 R)
• M3: 948,600 km (0.097 R)
• M4: 1,413,251 km (0.099 R)
• M5: 1,743,713 km (0.049 R)
• M6: 3,311,947 km (0.094 R)
• M7: 3,791,408 km (0.082 R)
• M8: 6,000,221 km (0.091 R)
• M9: 6,596,069 km (0.084 R)
• M10: 7,189,973 km (0.107 R)
• M11: 9,186,057 km (0.102 R)
• M12: 11,137,561 km (0.071 R)
• M13: 16,756,906 km (0.088 R)
• M14: 21,120,227 km (0.077 R)
• M15: 26,575,314 km (0.084 R)
• M16: 33,697,818 km (0.082 R)
• M17: 34,043,539 km (0.11 R)
• M18: 35,094,912 km (0.068 R)
• M19: 36,409,130 km (0.116 R)
• M20: 42,261,398 km (0.112 R)
• M21: 47,689,557 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 17,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit