🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.5

Radius: 10.7

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.16 AU - 1.78 AU

Year: 1189 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,801,035 km

• M1: 133,142 km (0.073 R)
• M2: 799,750 km (0.117 R)
• M3: 1,150,108 km (0.091 R)
• M4: 2,038,271 km (0.077 R)
• M5: 2,833,832 km (0.1 R)
• M6: 3,976,461 km (0.072 R)
• M7: 5,093,359 km (0.115 R)
• M8: 6,384,388 km (0.108 R)
• M9: 6,967,820 km (0.098 R)
• M10: 7,324,312 km (0.099 R)
• M11: 7,909,389 km (0.102 R)
• M12: 8,525,134 km (0.093 R)
• M13: 10,665,879 km (0.079 R)
• M14: 12,537,199 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.3

Radius: 13.5

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.4 AU - 3.96 AU

Year: 3782 Days

Day: 14.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 133.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,801,035 km

• M1: 167,849 km (0.05 R)
• M2: 633,547 km (0.053 R)
• M3: 1,071,420 km (0.097 R)
• M4: 1,608,177 km (0.053 R)
• M5: 2,397,455 km (0.104 R)
• M6: 2,840,116 km (0.112 R)
• M7: 3,375,526 km (0.102 R)
• M8: 4,396,083 km (0.1 R)
• M9: 4,868,064 km (0.093 R)
• M10: 6,672,514 km (0.111 R)
• M11: 7,626,051 km (0.076 R)
• M12: 8,101,173 km (0.106 R)
• M13: 8,560,140 km (0.113 R)
• M14: 9,491,835 km (0.088 R)
• M15: 10,042,505 km (0.095 R)
• M16: 11,121,854 km (0.08 R)
• M17: 13,559,850 km (0.099 R)
• M18: 14,107,378 km (0.105 R)
• M19: 16,058,434 km (0.097 R)
• M20: 18,243,311 km (0.063 R)
• M21: 20,947,442 km (0.098 R)
• M22: 21,411,644 km (0.093 R)
• M23: 22,429,508 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.7

Radius: 13.6

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.8 AU - 5.04 AU

Year: 6197 Days

Day: 9.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,801,035 km

• M1: 169,195 km (0.055 R)
• M2: 843,433 km (0.086 R)
• M3: 1,298,958 km (0.119 R)
• M4: 1,737,430 km (0.037 R)
• M5: 2,453,255 km (0.097 R)
• M6: 3,118,667 km (0.061 R)
• M7: 3,612,639 km (0.074 R)
• M8: 4,087,762 km (0.062 R)
• M9: 4,630,353 km (0.087 R)
• M10: 5,220,966 km (0.067 R)
• M11: 6,327,840 km (0.064 R)
• M12: 7,477,650 km (0.091 R)
• M13: 9,415,840 km (0.093 R)
• M14: 11,621,361 km (0.064 R)
• M15: 14,097,206 km (0.118 R)
• M16: 14,767,404 km (0.058 R)
• M17: 17,535,563 km (0.092 R)
• M18: 17,985,105 km (0.116 R)
• M19: 18,442,575 km (0.098 R)
• M20: 19,380,554 km (0.093 R)
• M21: 21,864,926 km (0.101 R)
• M22: 25,937,877 km (0.05 R)
• M23: 28,416,265 km (0.101 R)
• M24: 31,518,327 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.7

Radius: 13

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.56 AU - 5.84 AU

Year: 6795 Days

Day: 6.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,801,035 km

• M1: 179,069 km (0.041 R)
• M2: 990,338 km (0.032 R)
• M3: 1,498,223 km (0.095 R)
• M4: 2,207,466 km (0.069 R)
• M5: 2,776,237 km (0.105 R)
• M6: 3,874,136 km (0.086 R)
• M7: 4,897,685 km (0.058 R)
• M8: 5,900,290 km (0.103 R)
• M9: 6,821,513 km (0.077 R)
• M10: 7,606,154 km (0.096 R)
• M11: 8,207,538 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.6

Radius: 5.7

Gravity: 26.95 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.91 AU - 10.15 AU

Year: 21183 Days

Day: 22.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,801,035 km

• M1: 102,923 km (0.034 R)
• M2: 377,884 km (0.089 R)
• M3: 1,113,906 km (0.088 R)
• M4: 1,331,571 km (0.089 R)
• M5: 1,577,659 km (0.106 R)
• M6: 2,097,512 km (0.093 R)
• M7: 2,725,075 km (0.088 R)
• M8: 3,096,078 km (0.069 R)
• M9: 3,971,524 km (0.087 R)
• M10: 4,205,495 km (0.096 R)
• M11: 5,682,026 km (0.1 R)
• M12: 7,574,739 km (0.036 R)
• M13: 11,712,765 km (0.112 R)
• M14: 13,645,420 km (0.082 R)
• M15: 16,454,120 km (0.054 R)
• M16: 17,146,310 km (0.087 R)
• M17: 23,832,586 km (0.091 R)
• M18: 30,496,124 km (0.09 R)
• M19: 30,754,629 km (0.066 R)
• M20: 31,407,475 km (0.102 R)
• M21: 37,260,491 km (0.112 R)
• M22: 47,339,797 km (0.116 R)
• M23: 48,560,666 km (0.116 R)
• M24: 49,445,537 km (0.066 R)
• M25: 51,980,174 km (0.108 R)
• M26: 58,892,792 km (0.073 R)
• M27: 69,251,248 km (0.09 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: 229 - 13,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit