🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 9.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.48 AU - 0.68 AU

Year: 295 Days

Day: 6.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,462,440 km

• M1: 115,639 km (0.104 R)
• M2: 320,289 km (0.097 R)
• M3: 545,135 km (0.059 R)
• M4: 786,735 km (0.111 R)
• M5: 1,045,689 km (0.068 R)
• M6: 1,257,669 km (0.083 R)
• M7: 1,666,969 km (0.119 R)
• M8: 1,892,563 km (0.093 R)
• M9: 2,075,670 km (0.114 R)
• M10: 2,295,280 km (0.115 R)
• M11: 2,590,586 km (0.1 R)
• M12: 2,830,392 km (0.116 R)
• M13: 3,316,585 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.8

Radius: 11.7

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.92 AU - 0.94 AU

Year: 598 Days

Day: 14.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,462,440 km

• M1: 145,708 km (0.099 R)
• M2: 365,318 km (0.114 R)
• M3: 616,642 km (0.085 R)
• M4: 844,630 km (0.025 R)
• M5: 1,078,900 km (0.114 R)
• M6: 1,359,246 km (0.12 R)
• M7: 1,580,053 km (0.088 R)
• M8: 1,930,860 km (0.107 R)
• M9: 2,164,382 km (0.097 R)
• M10: 2,481,081 km (0.114 R)
• M11: 2,885,743 km (0.062 R)
• M12: 3,203,040 km (0.055 R)
• M13: 3,781,236 km (0.111 R)
• M14: 4,305,277 km (0.111 R)
• M15: 4,682,114 km (0.061 R)
• M16: 5,176,236 km (0.113 R)
• M17: 5,897,298 km (0.084 R)
• M18: 6,143,835 km (0.075 R)
• M19: 6,381,247 km (0.102 R)
• M20: 7,362,310 km (0.046 R)
• M21: 7,591,793 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 8.4

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.45 AU - 1.91 AU

Year: 1452 Days

Day: 7.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,462,440 km

• M1: 144,063 km (0.089 R)
• M2: 308,770 km (0.051 R)
• M3: 635,193 km (0.063 R)
• M4: 855,849 km (0.11 R)
• M5: 1,074,412 km (0.09 R)
• M6: 1,283,999 km (0.108 R)
• M7: 1,466,358 km (0.059 R)
• M8: 1,755,830 km (0.032 R)
• M9: 1,924,726 km (0.086 R)
• M10: 2,198,191 km (0.1 R)
• M11: 2,649,677 km (0.055 R)
• M12: 2,937,205 km (0.101 R)
• M13: 3,312,097 km (0.116 R)
• M14: 3,608,600 km (0.073 R)
• M15: 3,957,911 km (0.117 R)
• M16: 4,648,455 km (0.069 R)
• M17: 5,165,614 km (0.03 R)
• M18: 5,855,410 km (0.103 R)
• M19: 6,520,822 km (0.034 R)
• M20: 7,114,875 km (0.084 R)
• M21: 7,568,455 km (0.102 R)
• M22: 9,670,754 km (0.105 R)
• M23: 10,049,985 km (0.089 R)
• M24: 11,322,165 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.7

Radius: 14.3

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.8 AU - 3.08 AU

Year: 3362 Days

Day: 11 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,462,440 km

• M1: 191,485 km (0.067 R)
• M2: 697,276 km (0.091 R)
• M3: 1,002,306 km (0.109 R)
• M4: 1,308,832 km (0.112 R)
• M5: 1,620,893 km (0.113 R)
• M6: 2,739,436 km (0.11 R)
• M7: 4,134,436 km (0.115 R)
• M8: 4,493,621 km (0.077 R)
• M9: 5,533,326 km (0.102 R)
• M10: 5,882,188 km (0.031 R)
• M11: 6,294,330 km (0.118 R)
• M12: 7,636,672 km (0.095 R)
• M13: 7,928,986 km (0.1 R)
• M14: 8,964,652 km (0.08 R)
• M15: 9,431,547 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.5

Radius: 5.5

Gravity: 23.65 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.5 AU - 9.12 AU

Year: 13180 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,462,440 km

• M1: 75,397 km (0.116 R)
• M2: 724,502 km (0.111 R)
• M3: 1,164,470 km (0.066 R)
• M4: 2,066,994 km (0.117 R)
• M5: 2,998,390 km (0.025 R)
• M6: 4,015,805 km (0.106 R)
• M7: 7,720,597 km (0.078 R)
• M8: 8,634,191 km (0.116 R)
• M9: 9,505,150 km (0.11 R)
• M10: 13,634,799 km (0.111 R)
• M11: 15,137,809 km (0.085 R)
• M12: 15,979,895 km (0.071 R)
• M13: 16,844,720 km (0.09 R)
• M14: 17,540,350 km (0.04 R)
• M15: 18,907,675 km (0.088 R)
• M16: 20,671,883 km (0.074 R)
• M17: 22,951,605 km (0.094 R)
• M18: 25,044,479 km (0.078 R)
• M19: 28,193,065 km (0.087 R)
• M20: 28,599,822 km (0.103 R)
• M21: 36,789,408 km (0.117 R)
• M22: 40,102,402 km (0.048 R)
• M23: 40,295,982 km (0.113 R)
• M24: 41,763,238 km (0.105 R)
• M25: 43,861,348 km (0.107 R)
• M26: 44,776,288 km (0.108 R)
• M27: 49,493,109 km (0.042 R)
• M28: 50,790,871 km (0.091 R)
• M29: 51,555,615 km (0.1 R)
• M30: 54,221,150 km (0.082 R)
• M31: 58,462,399 km (0.116 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 10,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit