🌌 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: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.6

Radius: 11

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.71 AU - 0.95 AU

Year: 522 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,731,618 km

• M1: 136,882 km (0.075 R)
• M2: 762,201 km (0.066 R)
• M3: 1,108,969 km (0.092 R)
• M4: 1,456,485 km (0.118 R)
• M5: 2,058,915 km (0.118 R)
• M6: 2,418,998 km (0.119 R)
• M7: 2,939,897 km (0.078 R)
• M8: 3,660,211 km (0.12 R)
• M9: 4,083,124 km (0.109 R)
• M10: 5,107,421 km (0.109 R)
• M11: 5,552,026 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.8

Radius: 10.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.71 AU - 0.97 AU

Year: 531 Days

Day: 9.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,731,618 km

• M1: 134,638 km (0.096 R)
• M2: 496,815 km (0.081 R)
• M3: 976,874 km (0.068 R)
• M4: 1,389,615 km (0.037 R)
• M5: 3,226,228 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56

Radius: 12.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.99 AU - 1.35 AU

Year: 874 Days

Day: 12.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,731,618 km

• M1: 151,094 km (0.098 R)
• M2: 594,951 km (0.093 R)
• M3: 1,141,731 km (0.109 R)
• M4: 1,697,936 km (0.099 R)
• M5: 3,094,133 km (0.05 R)
• M6: 3,673,825 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.5

Radius: 11.2

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.02 AU - 3.14 AU

Year: 2860 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,731,618 km

• M1: 139,276 km (0.115 R)
• M2: 532,120 km (0.113 R)
• M3: 911,799 km (0.114 R)
• M4: 1,430,455 km (0.113 R)
• M5: 2,127,880 km (0.083 R)
• M6: 3,300,129 km (0.051 R)
• M7: 4,279,696 km (0.055 R)
• M8: 6,153,708 km (0.116 R)
• M9: 7,411,527 km (0.044 R)
• M10: 8,019,044 km (0.095 R)
• M11: 11,358,667 km (0.103 R)
• M12: 14,233,789 km (0.05 R)
• M13: 15,122,699 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.8

Radius: 5.7

Gravity: 15.84 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.27 AU - 10.93 AU

Year: 18948 Days

Day: 24.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,731,618 km

• M1: 70,909 km (0.032 R)
• M2: 662,120 km (0.12 R)
• M3: 1,442,123 km (0.082 R)
• M4: 2,095,417 km (0.072 R)
• M5: 8,353,545 km (0.069 R)
• M6: 14,614,066 km (0.051 R)
• M7: 22,352,615 km (0.115 R)
• M8: 25,368,807 km (0.09 R)
• M9: 26,756,178 km (0.091 R)
• M10: 28,081,016 km (0.051 R)
• M11: 28,988,178 km (0.105 R)
• M12: 31,220,627 km (0.084 R)
• M13: 34,201,215 km (0.089 R)
• M14: 46,906,412 km (0.068 R)
• M15: 49,974,066 km (0.066 R)
• M16: 52,488,208 km (0.113 R)
• M17: 52,829,740 km (0.107 R)
• M18: 62,237,053 km (0.103 R)
• M19: 64,555,969 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 19,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit