🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.1

Radius: 13.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.52 AU - 0.8 AU

Year: 370 Days

Day: 5 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,663,148 km

• M1: 171,589 km (0.102 R)
• M2: 791,672 km (0.119 R)
• M3: 1,229,096 km (0.101 R)
• M4: 1,813,276 km (0.04 R)
• M5: 2,791,646 km (0.107 R)
• M6: 3,260,934 km (0.117 R)
• M7: 3,956,864 km (0.084 R)
• M8: 4,580,687 km (0.059 R)
• M9: 5,346,777 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.1

Radius: 8.7

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1 AU - 1.34 AU

Year: 874 Days

Day: 10.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,663,148 km

• M1: 108,309 km (0.034 R)
• M2: 398,978 km (0.115 R)
• M3: 739,761 km (0.026 R)
• M4: 1,491,640 km (0.114 R)
• M5: 2,212,702 km (0.119 R)
• M6: 2,585,949 km (0.09 R)
• M7: 2,857,918 km (0.07 R)
• M8: 3,148,886 km (0.077 R)
• M9: 3,932,928 km (0.087 R)
• M10: 4,786,384 km (0.108 R)
• M11: 5,257,019 km (0.116 R)
• M12: 5,675,893 km (0.107 R)
• M13: 6,009,795 km (0.107 R)
• M14: 7,020,179 km (0.097 R)
• M15: 7,678,410 km (0.1 R)
• M16: 8,244,638 km (0.088 R)
• M17: 8,673,685 km (0.098 R)
• M18: 9,202,513 km (0.115 R)
• M19: 9,576,657 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.8

Radius: 15

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.57 AU - 3.89 AU

Year: 4007 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,663,148 km

• M1: 186,549 km (0.112 R)
• M2: 1,022,501 km (0.118 R)
• M3: 2,850,438 km (0.115 R)
• M4: 4,064,275 km (0.118 R)
• M5: 4,618,685 km (0.103 R)
• M6: 5,409,609 km (0.1 R)
• M7: 6,970,363 km (0.082 R)
• M8: 7,803,623 km (0.089 R)
• M9: 8,777,206 km (0.117 R)
• M10: 9,629,166 km (0.056 R)
• M11: 10,663,635 km (0.103 R)
• M12: 12,329,258 km (0.101 R)
• M13: 12,856,441 km (0.057 R)
• M14: 17,038,449 km (0.099 R)
• M15: 17,573,112 km (0.115 R)
• M16: 19,117,112 km (0.082 R)
• M17: 24,667,642 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.8

Radius: 9.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.27 AU - 3.77 AU

Year: 4559 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,663,148 km

• M1: 119,379 km (0.116 R)
• M2: 420,669 km (0.118 R)
• M3: 925,712 km (0.12 R)
• M4: 1,997,281 km (0.096 R)
• M5: 3,031,601 km (0.081 R)
• M6: 3,549,060 km (0.081 R)
• M7: 4,145,955 km (0.11 R)
• M8: 6,343,399 km (0.113 R)
• M9: 6,788,602 km (0.095 R)
• M10: 8,709,438 km (0.102 R)
• M11: 11,307,056 km (0.108 R)
• M12: 12,367,854 km (0.054 R)
• M13: 15,308,201 km (0.113 R)
• M14: 16,219,401 km (0.114 R)
• M15: 16,827,965 km (0.077 R)
• M16: 18,685,073 km (0.084 R)
• M17: 21,588,618 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 14.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.93 AU - 4.77 AU

Year: 5214 Days

Day: 9.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,663,148 km

• M1: 180,265 km (0.077 R)
• M2: 736,022 km (0.111 R)
• M3: 1,844,392 km (0.118 R)
• M4: 2,298,422 km (0.115 R)
• M5: 3,292,649 km (0.067 R)
• M6: 10,461,529 km (0.079 R)
• M7: 11,500,037 km (0.11 R)
• M8: 15,029,948 km (0.098 R)
• M9: 18,449,008 km (0.101 R)
• M10: 21,691,691 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.5

Radius: 8.6

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.08 AU - 5.56 AU

Year: 8470 Days

Day: 13.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 156.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,663,148 km

• M1: 106,962 km (0.046 R)
• M2: 705,055 km (0.069 R)
• M3: 1,114,355 km (0.064 R)
• M4: 1,532,481 km (0.104 R)
• M5: 1,858,454 km (0.075 R)
• M6: 2,354,820 km (0.094 R)
• M7: 3,654,975 km (0.046 R)
• M8: 5,104,579 km (0.085 R)
• M9: 6,513,940 km (0.081 R)
• M10: 8,657,827 km (0.099 R)
• M11: 11,371,832 km (0.101 R)
• M12: 12,571,008 km (0.092 R)
• M13: 13,433,141 km (0.057 R)
• M14: 14,011,785 km (0.066 R)
• M15: 16,433,924 km (0.11 R)
• M16: 17,095,745 km (0.111 R)
• M17: 18,601,298 km (0.097 R)
• M18: 20,743,540 km (0.052 R)
• M19: 24,567,112 km (0.107 R)
• M20: 25,115,239 km (0.084 R)
• M21: 26,317,407 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.9

Radius: 4.6

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.32 AU - 7.8 AU

Year: 11598 Days

Day: 15.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,663,148 km

• M1: 118,631 km (0.117 R)
• M2: 733,478 km (0.115 R)
• M3: 1,181,524 km (0.03 R)
• M4: 1,915,601 km (0.089 R)
• M5: 2,284,359 km (0.088 R)
• M6: 3,547,863 km (0.115 R)
• M7: 5,410,805 km (0.052 R)
• M8: 6,174,503 km (0.056 R)
• M9: 11,048,700 km (0.09 R)
• M10: 11,369,289 km (0.087 R)
• M11: 21,971,140 km (0.109 R)
• M12: 25,923,516 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 12,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit