🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.1

Radius: 10.7

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.92 AU - 1.02 AU

Year: 627 Days

Day: 11.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,107,583 km

• M1: 132,993 km (0.066 R)
• M2: 472,580 km (0.077 R)
• M3: 1,118,094 km (0.104 R)
• M4: 1,678,189 km (0.101 R)
• M5: 2,358,410 km (0.071 R)
• M6: 2,839,667 km (0.094 R)
• M7: 3,256,147 km (0.027 R)
• M8: 4,049,914 km (0.113 R)
• M9: 4,420,168 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.3

Radius: 9.4

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.64 AU - 4.32 AU

Year: 5209 Days

Day: 13.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,107,583 km

• M1: 116,986 km (0.107 R)
• M2: 438,471 km (0.089 R)
• M3: 793,916 km (0.11 R)
• M4: 1,280,259 km (0.09 R)
• M5: 1,788,592 km (0.039 R)
• M6: 2,725,524 km (0.073 R)
• M7: 3,355,331 km (0.056 R)
• M8: 3,842,571 km (0.052 R)
• M9: 4,201,456 km (0.091 R)
• M10: 7,231,860 km (0.065 R)
• M11: 8,278,896 km (0.086 R)
• M12: 8,920,820 km (0.054 R)
• M13: 9,338,647 km (0.1 R)
• M14: 9,989,847 km (0.041 R)
• M15: 10,904,937 km (0.119 R)
• M16: 12,380,720 km (0.107 R)
• M17: 19,209,863 km (0.12 R)
• M18: 22,101,739 km (0.064 R)
• M19: 30,482,661 km (0.1 R)
• M20: 31,335,817 km (0.047 R)
• M21: 32,694,465 km (0.11 R)

Asteroid Belt

Center: 5.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.1

Radius: 3.2

Gravity: 35.07 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.36 AU - 7.98 AU

Year: 12595 Days

Day: 18.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 36,107,583 km

• M1: 39,793 km (0.101 R)
• M2: 177,124 km (0.042 R)
• M3: 298,149 km (0.091 R)
• M4: 499,956 km (0.069 R)
• M5: 795,412 km (0.11 R)
• M6: 1,071,420 km (0.108 R)
• M7: 1,702,723 km (0.102 R)
• M8: 1,857,108 km (0.095 R)
• M9: 2,193,853 km (0.116 R)
• M10: 2,433,808 km (0.059 R)
• M11: 2,815,282 km (0.045 R)
• M12: 3,031,451 km (0.041 R)
• M13: 3,721,247 km (0.042 R)
• M14: 4,143,562 km (0.099 R)
• M15: 4,309,915 km (0.116 R)
• M16: 4,927,455 km (0.106 R)
• M17: 5,145,868 km (0.059 R)
• M18: 6,445,424 km (0.104 R)
• M19: 7,491,712 km (0.106 R)
• M20: 7,991,069 km (0.036 R)
• M21: 8,119,424 km (0.083 R)
• M22: 10,111,769 km (0.111 R)
• M23: 11,087,596 km (0.06 R)
• M24: 12,464,644 km (0.113 R)
• M25: 17,344,078 km (0.097 R)
• M26: 20,122,858 km (0.105 R)
• M27: 20,921,861 km (0.077 R)
• M28: 24,150,931 km (0.081 R)
• M29: 29,187,143 km (0.084 R)
• M30: 32,434,464 km (0.116 R)
• M31: 33,199,657 km (0.095 R)
• M32: 38,166,007 km (0.12 R)
• M33: 38,896,045 km (0.109 R)
• M34: 39,883,840 km (0.116 R)
• M35: 41,396,723 km (0.075 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.1

Radius: 4.5

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.12 AU - 8.58 AU

Year: 13072 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,107,583 km

• M1: 56,099 km (0.097 R)
• M2: 260,450 km (0.061 R)
• M3: 485,595 km (0.089 R)
• M4: 742,155 km (0.063 R)
• M5: 1,084,734 km (0.076 R)
• M6: 1,434,344 km (0.098 R)
• M7: 1,779,766 km (0.078 R)
• M8: 3,064,662 km (0.119 R)
• M9: 3,563,870 km (0.103 R)
• M10: 4,636,188 km (0.03 R)
• M11: 5,513,579 km (0.092 R)
• M12: 9,898,592 km (0.119 R)
• M13: 10,430,113 km (0.096 R)
• M14: 18,152,954 km (0.084 R)
• M15: 19,690,820 km (0.097 R)
• M16: 22,443,271 km (0.093 R)
• M17: 26,897,099 km (0.081 R)
• M18: 33,488,979 km (0.039 R)
• M19: 36,356,322 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.6

Radius: 3.9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.56 AU - 8.66 AU

Year: 16573 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,107,583 km

• M1: 48,769 km (0.103 R)
• M2: 625,618 km (0.069 R)
• M3: 798,404 km (0.052 R)
• M4: 927,956 km (0.077 R)
• M5: 1,263,653 km (0.074 R)
• M6: 2,644,442 km (0.118 R)
• M7: 3,183,443 km (0.074 R)
• M8: 3,864,412 km (0.096 R)
• M9: 4,011,467 km (0.119 R)
• M10: 5,726,457 km (0.098 R)
• M11: 6,975,450 km (0.114 R)
• M12: 7,379,214 km (0.05 R)
• M13: 9,022,098 km (0.111 R)
• M14: 9,325,034 km (0.072 R)
• M15: 10,368,329 km (0.09 R)
• M16: 12,683,655 km (0.037 R)
• M17: 17,292,317 km (0.074 R)
• M18: 19,785,216 km (0.119 R)
• M19: 21,959,621 km (0.074 R)
• M20: 26,599,249 km (0.094 R)
• M21: 33,883,170 km (0.039 R)
• M22: 34,090,961 km (0.098 R)
• M23: 35,783,960 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 16,096 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit