🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 12.7

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.47 AU - 0.77 AU

Year: 326 Days

Day: 11.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 66.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,376,768 km

• M1: 157,975 km (0.086 R)
• M2: 604,525 km (0.104 R)
• M3: 1,084,585 km (0.106 R)
• M4: 1,648,419 km (0.093 R)
• M5: 2,059,514 km (0.071 R)
• M6: 2,605,247 km (0.113 R)
• M7: 3,202,890 km (0.116 R)
• M8: 3,694,768 km (0.103 R)
• M9: 4,119,327 km (0.108 R)
• M10: 4,660,572 km (0.113 R)
• M11: 5,127,617 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.2

Radius: 13.1

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.9 AU - 1.1 AU

Year: 667 Days

Day: 12.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,376,768 km

• M1: 162,912 km (0.092 R)
• M2: 616,642 km (0.111 R)
• M3: 1,068,428 km (0.109 R)
• M4: 1,487,751 km (0.101 R)
• M5: 2,200,734 km (0.065 R)
• M6: 2,617,215 km (0.067 R)
• M7: 3,307,160 km (0.089 R)
• M8: 4,073,999 km (0.115 R)
• M9: 6,327,092 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 11.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.04 AU - 1.42 AU

Year: 910 Days

Day: 9 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,376,768 km

• M1: 146,756 km (0.099 R)
• M2: 918,830 km (0.049 R)
• M3: 1,429,408 km (0.04 R)
• M4: 1,859,352 km (0.089 R)
• M5: 2,365,292 km (0.12 R)
• M6: 3,038,782 km (0.107 R)
• M7: 3,541,730 km (0.1 R)
• M8: 4,526,532 km (0.085 R)
• M9: 5,297,709 km (0.106 R)
• M10: 6,050,486 km (0.104 R)
• M11: 6,496,138 km (0.109 R)
• M12: 7,171,124 km (0.073 R)
• M13: 7,598,225 km (0.116 R)
• M14: 7,991,967 km (0.084 R)
• M15: 8,740,704 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.6

Radius: 9.1

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.14 AU - 1.7 AU

Year: 1128 Days

Day: 14.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,376,768 km

• M1: 113,246 km (0.072 R)
• M2: 608,415 km (0.099 R)
• M3: 1,028,037 km (0.07 R)
• M4: 1,372,411 km (0.117 R)
• M5: 1,708,856 km (0.115 R)
• M6: 2,347,041 km (0.077 R)
• M7: 3,079,323 km (0.076 R)
• M8: 3,399,911 km (0.099 R)
• M9: 5,210,344 km (0.101 R)
• M10: 5,667,815 km (0.077 R)
• M11: 6,288,496 km (0.12 R)
• M12: 6,663,089 km (0.114 R)
• M13: 7,027,809 km (0.07 R)
• M14: 7,534,796 km (0.072 R)
• M15: 8,508,828 km (0.115 R)
• M16: 8,967,644 km (0.082 R)
• M17: 9,810,479 km (0.108 R)
• M18: 11,037,331 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.4

Radius: 4.1

Gravity: 48.45 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.11 AU - 8.83 AU

Year: 13615 Days

Day: 20.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,376,768 km

• M1: 51,013 km (0.115 R)
• M2: 248,931 km (0.072 R)
• M3: 732,880 km (0.082 R)
• M4: 1,375,702 km (0.051 R)
• M5: 1,733,839 km (0.042 R)
• M6: 1,999,076 km (0.062 R)
• M7: 2,131,770 km (0.116 R)
• M8: 2,270,447 km (0.107 R)
• M9: 2,839,368 km (0.107 R)
• M10: 3,635,527 km (0.076 R)
• M11: 4,252,918 km (0.111 R)
• M12: 4,602,977 km (0.039 R)
• M13: 5,075,856 km (0.115 R)
• M14: 6,038,817 km (0.089 R)
• M15: 7,249,662 km (0.042 R)
• M16: 7,428,581 km (0.103 R)
• M17: 13,921,279 km (0.059 R)
• M18: 14,128,322 km (0.102 R)
• M19: 18,964,672 km (0.088 R)
• M20: 21,704,706 km (0.056 R)
• M21: 23,024,309 km (0.111 R)
• M22: 24,197,306 km (0.058 R)
• M23: 28,838,580 km (0.118 R)
• M24: 29,741,702 km (0.108 R)
• M25: 35,688,068 km (0.115 R)
• M26: 39,832,079 km (0.109 R)
• M27: 41,518,795 km (0.091 R)
• M28: 41,947,692 km (0.116 R)
• M29: 42,524,242 km (0.098 R)
• M30: 46,863,179 km (0.102 R)
• M31: 47,017,863 km (0.11 R)
• M32: 50,507,233 km (0.091 R)
• M33: 54,677,573 km (0.058 R)
• M34: 56,233,241 km (0.098 R)
• M35: 56,758,330 km (0.088 R)
• M36: 57,640,658 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 17,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit