🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 8.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.67 AU - 0.85 AU

Year: 428 Days

Day: 11.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,318,014 km

• M1: 103,671 km (0.044 R)
• M2: 464,950 km (0.037 R)
• M3: 932,444 km (0.109 R)
• M4: 1,393,355 km (0.104 R)
• M5: 2,188,018 km (0.102 R)
• M6: 2,455,051 km (0.116 R)
• M7: 3,784,677 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.2

Radius: 12.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.42 AU - 1.76 AU

Year: 1295 Days

Day: 14.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,318,014 km

• M1: 150,495 km (0.085 R)
• M2: 543,639 km (0.079 R)
• M3: 1,036,863 km (0.092 R)
• M4: 1,829,582 km (0.088 R)
• M5: 2,434,556 km (0.056 R)
• M6: 2,874,822 km (0.12 R)
• M7: 3,296,389 km (0.044 R)
• M8: 4,064,275 km (0.079 R)
• M9: 5,276,466 km (0.082 R)
• M10: 8,594,098 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.2

Radius: 10.5

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.5 AU - 1.78 AU

Year: 1356 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,318,014 km

• M1: 130,599 km (0.11 R)
• M2: 656,286 km (0.078 R)
• M3: 1,054,665 km (0.079 R)
• M4: 1,510,041 km (0.044 R)
• M5: 1,874,312 km (0.113 R)
• M6: 2,452,657 km (0.08 R)
• M7: 2,933,913 km (0.108 R)
• M8: 3,354,583 km (0.113 R)
• M9: 4,519,800 km (0.099 R)
• M10: 5,477,227 km (0.106 R)
• M11: 5,847,182 km (0.088 R)
• M12: 6,469,061 km (0.094 R)
• M13: 6,982,630 km (0.11 R)
• M14: 7,444,439 km (0.098 R)
• M15: 8,036,547 km (0.098 R)
• M16: 9,132,800 km (0.111 R)
• M17: 9,874,955 km (0.095 R)
• M18: 11,726,977 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.8

Radius: 11

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.57 AU - 1.99 AU

Year: 1533 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,318,014 km

• M1: 136,882 km (0.116 R)
• M2: 504,145 km (0.109 R)
• M3: 872,305 km (0.072 R)
• M4: 1,342,342 km (0.089 R)
• M5: 2,336,569 km (0.109 R)
• M6: 3,945,345 km (0.059 R)
• M7: 4,379,328 km (0.069 R)
• M8: 5,321,196 km (0.088 R)
• M9: 6,069,784 km (0.113 R)
• M10: 6,495,091 km (0.085 R)
• M11: 8,461,106 km (0.111 R)
• M12: 8,992,926 km (0.075 R)
• M13: 9,381,731 km (0.12 R)
• M14: 9,985,957 km (0.074 R)
• M15: 11,309,449 km (0.058 R)
• M16: 12,585,519 km (0.113 R)
• M17: 13,699,126 km (0.062 R)
• M18: 14,345,538 km (0.111 R)
• M19: 14,877,059 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.4

Radius: 9.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.14 AU - 2.44 AU

Year: 2238 Days

Day: 13.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,318,014 km

• M1: 120,725 km (0.096 R)
• M2: 481,256 km (0.05 R)
• M3: 1,173,147 km (0.087 R)
• M4: 2,125,786 km (0.081 R)
• M5: 3,204,536 km (0.098 R)
• M6: 4,073,849 km (0.088 R)
• M7: 4,901,574 km (0.109 R)
• M8: 5,720,174 km (0.077 R)
• M9: 6,028,645 km (0.087 R)
• M10: 7,210,468 km (0.09 R)
• M11: 9,007,288 km (0.067 R)
• M12: 9,524,148 km (0.106 R)
• M13: 9,924,772 km (0.115 R)
• M14: 10,301,758 km (0.089 R)
• M15: 10,795,431 km (0.085 R)
• M16: 13,421,323 km (0.032 R)
• M17: 14,096,009 km (0.076 R)

Asteroid Belt

Center: 3.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 8.6

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.9 AU - 5.52 AU

Year: 6600 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 21,318,014 km

• M1: 110,254 km (0.086 R)
• M2: 472,430 km (0.116 R)
• M3: 812,765 km (0.118 R)
• M4: 1,293,872 km (0.05 R)
• M5: 1,689,558 km (0.082 R)
• M6: 2,214,946 km (0.057 R)
• M7: 2,927,182 km (0.032 R)
• M8: 3,590,947 km (0.083 R)
• M9: 6,188,864 km (0.069 R)
• M10: 6,976,497 km (0.087 R)
• M11: 7,278,984 km (0.106 R)
• M12: 7,669,434 km (0.114 R)
• M13: 8,156,375 km (0.116 R)
• M14: 11,160,001 km (0.088 R)
• M15: 11,522,028 km (0.101 R)
• M16: 12,711,331 km (0.113 R)
• M17: 13,921,129 km (0.064 R)
• M18: 14,645,781 km (0.116 R)
• M19: 15,523,023 km (0.103 R)
• M20: 16,567,815 km (0.117 R)
• M21: 16,903,662 km (0.118 R)
• M22: 17,728,544 km (0.106 R)
• M23: 18,724,417 km (0.073 R)
• M24: 19,682,143 km (0.098 R)
• M25: 20,594,840 km (0.075 R)
• M26: 22,833,721 km (0.056 R)
• M27: 23,502,125 km (0.093 R)
• M28: 24,790,462 km (0.102 R)
• M29: 26,125,174 km (0.107 R)
• M30: 29,720,011 km (0.083 R)
• M31: 30,316,308 km (0.097 R)
• M32: 34,387,763 km (0.115 R)
• M33: 34,825,038 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44

Radius: 3.4

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.86 AU - 6.94 AU

Year: 11703 Days

Day: 16.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 75.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,318,014 km

• M1: 42,935 km (0.093 R)
• M2: 236,514 km (0.117 R)
• M3: 351,405 km (0.114 R)
• M4: 1,068,428 km (0.087 R)
• M5: 1,247,048 km (0.058 R)
• M6: 1,573,919 km (0.051 R)
• M7: 1,917,097 km (0.07 R)
• M8: 3,051,049 km (0.1 R)
• M9: 7,950,379 km (0.04 R)
• M10: 8,083,072 km (0.1 R)
• M11: 9,235,125 km (0.111 R)
• M12: 9,604,782 km (0.083 R)
• M13: 12,742,747 km (0.036 R)
• M14: 13,433,739 km (0.083 R)
• M15: 18,054,069 km (0.117 R)
• M16: 18,748,353 km (0.037 R)
• M17: 18,865,638 km (0.06 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: 524 - 14,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit