🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.8

Radius: 8.2

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.83 AU - 0.85 AU

Year: 497 Days

Day: 8.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,099,834 km

• M1: 102,624 km (0.067 R)
• M2: 659,876 km (0.108 R)
• M3: 1,090,120 km (0.104 R)
• M4: 1,443,619 km (0.11 R)
• M5: 1,713,644 km (0.101 R)
• M6: 2,776,237 km (0.101 R)
• M7: 3,187,033 km (0.115 R)
• M8: 3,763,284 km (0.079 R)
• M9: 4,309,017 km (0.118 R)
• M10: 5,201,368 km (0.053 R)
• M11: 5,674,546 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.8

Radius: 9.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.81 AU - 1.03 AU

Year: 570 Days

Day: 5.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,099,834 km

• M1: 113,246 km (0.062 R)
• M2: 406,009 km (0.106 R)
• M3: 726,746 km (0.05 R)
• M4: 1,272,330 km (0.09 R)
• M5: 1,634,357 km (0.097 R)
• M6: 2,721,036 km (0.117 R)
• M7: 3,479,347 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 14.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.1 AU - 1.12 AU

Year: 755 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,099,834 km

• M1: 183,257 km (0.067 R)
• M2: 661,223 km (0.072 R)
• M3: 1,303,446 km (0.111 R)
• M4: 2,039,468 km (0.079 R)
• M5: 3,995,310 km (0.114 R)
• M6: 4,752,575 km (0.099 R)
• M7: 5,229,792 km (0.065 R)
• M8: 5,700,277 km (0.103 R)
• M9: 6,406,828 km (0.092 R)
• M10: 7,611,240 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.6

Radius: 13.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.58 AU - 2.54 AU

Year: 1909 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,099,834 km

• M1: 162,912 km (0.04 R)
• M2: 581,337 km (0.089 R)
• M3: 1,260,661 km (0.109 R)
• M4: 1,826,291 km (0.116 R)
• M5: 2,437,996 km (0.088 R)
• M6: 2,987,469 km (0.085 R)
• M7: 4,094,195 km (0.071 R)
• M8: 4,856,695 km (0.03 R)
• M9: 5,313,118 km (0.062 R)
• M10: 5,820,105 km (0.032 R)
• M11: 6,244,215 km (0.069 R)
• M12: 7,538,087 km (0.104 R)
• M13: 10,229,951 km (0.057 R)
• M14: 11,564,663 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.7

Radius: 9.3

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.39 AU - 3.62 AU

Year: 3355 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 57.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,099,834 km

• M1: 115,639 km (0.066 R)
• M2: 662,569 km (0.106 R)
• M3: 1,055,563 km (0.089 R)
• M4: 1,404,874 km (0.111 R)
• M5: 1,708,258 km (0.071 R)
• M6: 2,809,149 km (0.098 R)
• M7: 3,297,287 km (0.089 R)
• M8: 4,145,955 km (0.102 R)
• M9: 5,531,531 km (0.096 R)
• M10: 6,123,340 km (0.111 R)
• M11: 6,663,688 km (0.068 R)
• M12: 7,736,753 km (0.119 R)
• M13: 8,083,671 km (0.099 R)
• M14: 10,682,784 km (0.057 R)
• M15: 11,157,159 km (0.1 R)
• M16: 11,872,237 km (0.065 R)
• M17: 12,712,827 km (0.109 R)
• M18: 13,147,708 km (0.068 R)
• M19: 13,542,646 km (0.085 R)
• M20: 13,894,650 km (0.052 R)
• M21: 14,408,070 km (0.116 R)
• M22: 18,486,108 km (0.095 R)
• M23: 20,065,263 km (0.086 R)
• M24: 20,523,182 km (0.084 R)
• M25: 24,145,396 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85

Radius: 13.1

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.69 AU - 4.75 AU

Year: 6621 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,099,834 km

• M1: 207,193 km (0.097 R)
• M2: 941,270 km (0.055 R)
• M3: 2,241,874 km (0.073 R)
• M4: 2,934,661 km (0.087 R)
• M5: 3,374,928 km (0.071 R)
• M6: 4,411,192 km (0.049 R)
• M7: 4,925,659 km (0.118 R)
• M8: 5,600,645 km (0.116 R)
• M9: 6,853,078 km (0.055 R)
• M10: 8,316,146 km (0.115 R)
• M11: 10,050,733 km (0.04 R)
• M12: 14,454,595 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.6

Radius: 7.5

Gravity: 17.45 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.56 AU - 7.34 AU

Year: 10577 Days

Day: 19 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,099,834 km

• M1: 94,097 km (0.112 R)
• M2: 349,461 km (0.106 R)
• M3: 731,234 km (0.043 R)
• M4: 1,066,334 km (0.112 R)
• M5: 1,635,853 km (0.088 R)
• M6: 1,911,262 km (0.12 R)
• M7: 2,198,790 km (0.103 R)
• M8: 2,494,544 km (0.065 R)
• M9: 2,772,049 km (0.093 R)
• M10: 3,166,389 km (0.11 R)
• M11: 3,731,569 km (0.063 R)
• M12: 4,515,013 km (0.11 R)
• M13: 5,870,819 km (0.088 R)
• M14: 6,722,629 km (0.113 R)
• M15: 7,010,306 km (0.106 R)
• M16: 7,877,525 km (0.083 R)
• M17: 8,525,882 km (0.074 R)
• M18: 15,831,344 km (0.061 R)
• M19: 18,094,461 km (0.034 R)
• M20: 18,571,678 km (0.072 R)
• M21: 20,997,108 km (0.081 R)
• M22: 21,969,943 km (0.069 R)
• M23: 24,005,073 km (0.098 R)
• M24: 25,661,570 km (0.089 R)
• M25: 28,553,446 km (0.104 R)
• M26: 32,581,519 km (0.12 R)
• M27: 33,525,481 km (0.08 R)
• M28: 36,466,575 km (0.109 R)
• M29: 39,177,289 km (0.105 R)
• M30: 40,379,158 km (0.08 R)
• M31: 42,297,152 km (0.061 R)
• M32: 43,420,034 km (0.088 R)
• M33: 44,131,970 km (0.084 R)
• M34: 46,758,909 km (0.117 R)
• M35: 48,872,876 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443

Radius: 3

Gravity: 49.22 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.68 AU - 8.44 AU

Year: 12112 Days

Day: 21.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,099,834 km

• M1: 37,399 km (0.062 R)
• M2: 169,195 km (0.066 R)
• M3: 335,249 km (0.114 R)
• M4: 1,037,611 km (0.104 R)
• M5: 2,325,798 km (0.114 R)
• M6: 3,911,087 km (0.106 R)
• M7: 4,954,681 km (0.079 R)
• M8: 8,570,761 km (0.088 R)
• M9: 9,459,373 km (0.096 R)
• M10: 10,825,052 km (0.066 R)
• M11: 12,374,437 km (0.11 R)
• M12: 13,081,586 km (0.053 R)
• M13: 14,575,620 km (0.117 R)
• M14: 21,355,994 km (0.047 R)
• M15: 23,152,963 km (0.092 R)
• M16: 28,031,200 km (0.099 R)
• M17: 28,331,892 km (0.082 R)
• M18: 29,867,364 km (0.112 R)
• M19: 31,457,590 km (0.084 R)
• M20: 34,920,930 km (0.098 R)
• M21: 35,036,719 km (0.097 R)
• M22: 36,327,001 km (0.112 R)
• M23: 39,376,703 km (0.029 R)
• M24: 46,958,772 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 14,243 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit