🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945

Radius: 13.5

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.03 AU - 1.27 AU

Year: 796 Days

Day: 10.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,872,459 km

• M1: 167,849 km (0.086 R)
• M2: 726,298 km (0.106 R)
• M3: 1,208,302 km (0.078 R)
• M4: 1,809,685 km (0.114 R)
• M5: 2,549,447 km (0.062 R)
• M6: 3,100,865 km (0.099 R)
• M7: 3,584,215 km (0.07 R)
• M8: 5,251,184 km (0.044 R)
• M9: 5,799,610 km (0.1 R)
• M10: 6,516,782 km (0.066 R)
• M11: 7,629,491 km (0.089 R)
• M12: 8,360,726 km (0.087 R)
• M13: 9,673,746 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.6

Radius: 13.7

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.46 AU - 1.88 AU

Year: 1393 Days

Day: 7.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,872,459 km

• M1: 170,392 km (0.109 R)
• M2: 752,926 km (0.067 R)
• M3: 1,202,617 km (0.06 R)
• M4: 1,658,592 km (0.115 R)
• M5: 2,897,561 km (0.058 R)
• M6: 3,801,880 km (0.09 R)
• M7: 5,391,058 km (0.055 R)
• M8: 10,675,603 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 10.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.47 AU - 2.37 AU

Year: 1718 Days

Day: 6.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,872,459 km

• M1: 128,355 km (0.104 R)
• M2: 534,663 km (0.085 R)
• M3: 1,061,247 km (0.109 R)
• M4: 1,442,423 km (0.075 R)
• M5: 1,935,497 km (0.081 R)
• M6: 2,359,458 km (0.076 R)
• M7: 2,779,080 km (0.118 R)
• M8: 3,105,053 km (0.098 R)
• M9: 3,851,248 km (0.087 R)
• M10: 4,600,733 km (0.082 R)
• M11: 5,099,492 km (0.118 R)
• M12: 5,549,333 km (0.117 R)
• M13: 6,646,933 km (0.074 R)
• M14: 8,236,111 km (0.094 R)
• M15: 9,568,878 km (0.104 R)
• M16: 11,276,538 km (0.079 R)
• M17: 11,724,733 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.8

Radius: 11.9

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.14 AU - 3.3 AU

Year: 2896 Days

Day: 10.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,872,459 km

• M1: 148,251 km (0.042 R)
• M2: 583,731 km (0.086 R)
• M3: 1,380,489 km (0.106 R)
• M4: 2,327,144 km (0.1 R)
• M5: 3,106,250 km (0.102 R)
• M6: 3,496,701 km (0.056 R)
• M7: 4,538,051 km (0.106 R)
• M8: 5,796,917 km (0.062 R)
• M9: 8,624,018 km (0.071 R)
• M10: 9,671,502 km (0.1 R)
• M11: 10,101,147 km (0.034 R)
• M12: 10,479,480 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 10.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.71 AU - 3.91 AU

Year: 3888 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,872,459 km

• M1: 131,796 km (0.083 R)
• M2: 491,279 km (0.108 R)
• M3: 1,236,576 km (0.114 R)
• M4: 1,801,906 km (0.109 R)
• M5: 2,474,947 km (0.052 R)
• M6: 5,285,293 km (0.063 R)
• M7: 6,063,351 km (0.113 R)
• M8: 8,556,998 km (0.1 R)
• M9: 9,599,546 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.3

Radius: 14.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.18 AU - 3.58 AU

Year: 4012 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,872,459 km

• M1: 184,155 km (0.119 R)
• M2: 737,218 km (0.112 R)
• M3: 1,373,308 km (0.056 R)
• M4: 2,244,566 km (0.041 R)
• M5: 2,798,527 km (0.108 R)
• M6: 4,795,509 km (0.11 R)
• M7: 5,284,096 km (0.1 R)
• M8: 6,079,508 km (0.054 R)
• M9: 8,525,583 km (0.095 R)
• M10: 9,098,991 km (0.116 R)
• M11: 10,524,360 km (0.114 R)
• M12: 11,269,656 km (0.06 R)
• M13: 12,681,411 km (0.099 R)
• M14: 13,192,887 km (0.105 R)
• M15: 13,766,744 km (0.119 R)
• M16: 15,483,828 km (0.077 R)
• M17: 16,558,390 km (0.089 R)
• M18: 17,510,281 km (0.104 R)
• M19: 22,084,834 km (0.028 R)
• M20: 22,758,623 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.1

Radius: 3.8

Gravity: 19.54 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.14 AU - 6.36 AU

Year: 10089 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,872,459 km

• M1: 51,162 km (0.109 R)
• M2: 223,200 km (0.069 R)
• M3: 342,579 km (0.075 R)
• M4: 593,754 km (0.115 R)
• M5: 1,004,849 km (0.075 R)
• M6: 1,188,405 km (0.089 R)
• M7: 1,570,179 km (0.105 R)
• M8: 1,746,705 km (0.086 R)
• M9: 1,951,654 km (0.055 R)
• M10: 2,516,386 km (0.038 R)
• M11: 3,290,106 km (0.116 R)
• M12: 4,236,313 km (0.048 R)
• M13: 4,579,340 km (0.093 R)
• M14: 5,231,288 km (0.078 R)
• M15: 14,505,758 km (0.104 R)
• M16: 17,048,173 km (0.098 R)
• M17: 18,116,003 km (0.098 R)
• M18: 20,457,658 km (0.06 R)
• M19: 22,754,734 km (0.119 R)
• M20: 24,378,020 km (0.052 R)
• M21: 25,473,525 km (0.068 R)
• M22: 28,034,940 km (0.084 R)
• M23: 28,770,662 km (0.11 R)
• M24: 32,743,982 km (0.05 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 12,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit