🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572

Radius: 8.2

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.05 AU - 1.73 AU

Year: 1075 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,956,217 km

• M1: 102,026 km (0.058 R)
• M2: 363,972 km (0.114 R)
• M3: 715,227 km (0.119 R)
• M4: 1,104,780 km (0.115 R)
• M5: 1,387,819 km (0.117 R)
• M6: 1,675,197 km (0.084 R)
• M7: 2,093,772 km (0.103 R)
• M8: 3,335,135 km (0.114 R)
• M9: 3,779,441 km (0.095 R)
• M10: 4,081,030 km (0.118 R)
• M11: 5,178,480 km (0.12 R)
• M12: 6,709,165 km (0.107 R)
• M13: 7,665,395 km (0.11 R)
• M14: 8,150,242 km (0.113 R)
• M15: 9,611,065 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.3

Radius: 14.4

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.59 AU - 2.07 AU

Year: 1624 Days

Day: 12.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,956,217 km

• M1: 179,218 km (0.115 R)
• M2: 739,313 km (0.084 R)
• M3: 1,431,951 km (0.045 R)
• M4: 1,928,167 km (0.102 R)
• M5: 3,113,730 km (0.077 R)
• M6: 4,274,909 km (0.082 R)
• M7: 4,822,138 km (0.089 R)
• M8: 5,415,892 km (0.061 R)
• M9: 7,011,503 km (0.086 R)
• M10: 7,635,475 km (0.105 R)
• M11: 8,535,157 km (0.101 R)
• M12: 10,100,100 km (0.12 R)
• M13: 10,685,626 km (0.113 R)
• M14: 12,736,763 km (0.094 R)
• M15: 13,709,598 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.3

Radius: 10.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.74 AU - 1.94 AU

Year: 1637 Days

Day: 6.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,956,217 km

• M1: 135,536 km (0.098 R)
• M2: 580,589 km (0.109 R)
• M3: 1,022,352 km (0.073 R)
• M4: 1,551,180 km (0.076 R)
• M5: 2,210,757 km (0.088 R)
• M6: 2,977,596 km (0.07 R)
• M7: 3,879,073 km (0.055 R)
• M8: 4,600,583 km (0.102 R)
• M9: 5,178,031 km (0.05 R)
• M10: 6,099,404 km (0.07 R)
• M11: 6,973,206 km (0.113 R)
• M12: 8,495,663 km (0.087 R)
• M13: 9,397,140 km (0.108 R)
• M14: 10,294,877 km (0.098 R)
• M15: 11,856,230 km (0.052 R)
• M16: 13,019,951 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.8

Radius: 13.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.46 AU - 2.36 AU

Year: 1732 Days

Day: 13.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,956,217 km

• M1: 172,337 km (0.036 R)
• M2: 686,804 km (0.075 R)
• M3: 1,163,722 km (0.115 R)
• M4: 1,645,876 km (0.107 R)
• M5: 2,298,571 km (0.113 R)
• M6: 3,105,652 km (0.113 R)
• M7: 4,275,208 km (0.098 R)
• M8: 5,033,220 km (0.102 R)
• M9: 6,087,287 km (0.103 R)
• M10: 7,126,244 km (0.079 R)
• M11: 7,966,386 km (0.104 R)
• M12: 10,407,524 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 13.3

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.89 AU - 3.15 AU

Year: 3443 Days

Day: 12.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,956,217 km

• M1: 168,298 km (0.082 R)
• M2: 612,603 km (0.119 R)
• M3: 1,202,916 km (0.07 R)
• M4: 2,139,998 km (0.081 R)
• M5: 2,609,884 km (0.081 R)
• M6: 3,269,013 km (0.119 R)
• M7: 3,858,877 km (0.063 R)
• M8: 5,674,995 km (0.106 R)
• M9: 6,558,819 km (0.057 R)
• M10: 7,318,328 km (0.118 R)
• M11: 7,909,838 km (0.116 R)
• M12: 8,702,407 km (0.107 R)
• M13: 9,153,445 km (0.114 R)
• M14: 10,102,643 km (0.096 R)
• M15: 10,837,019 km (0.088 R)
• M16: 11,773,352 km (0.046 R)
• M17: 13,667,710 km (0.116 R)
• M18: 14,566,494 km (0.093 R)
• M19: 18,333,668 km (0.098 R)
• M20: 18,961,530 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.2

Radius: 9.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.45 AU - 5.17 AU

Year: 5870 Days

Day: 9.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,956,217 km

• M1: 129,701 km (0.094 R)
• M2: 772,823 km (0.075 R)
• M3: 1,624,483 km (0.104 R)
• M4: 3,459,750 km (0.111 R)
• M5: 3,870,396 km (0.051 R)
• M6: 4,708,294 km (0.092 R)
• M7: 5,872,315 km (0.11 R)
• M8: 6,433,157 km (0.103 R)
• M9: 7,056,083 km (0.109 R)
• M10: 7,948,584 km (0.099 R)
• M11: 8,665,905 km (0.115 R)
• M12: 9,956,486 km (0.093 R)
• M13: 10,437,144 km (0.092 R)
• M14: 11,820,027 km (0.083 R)
• M15: 13,904,972 km (0.079 R)
• M16: 14,724,619 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.3

Radius: 14

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.62 AU - 6.32 AU

Year: 8392 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,956,217 km

• M1: 174,132 km (0.115 R)
• M2: 1,005,896 km (0.064 R)
• M3: 1,622,389 km (0.094 R)
• M4: 2,302,610 km (0.035 R)
• M5: 2,761,427 km (0.115 R)
• M6: 3,867,703 km (0.101 R)
• M7: 4,609,858 km (0.076 R)
• M8: 5,062,242 km (0.072 R)
• M9: 13,869,817 km (0.066 R)
• M10: 14,497,978 km (0.044 R)
• M11: 18,224,013 km (0.104 R)
• M12: 21,365,717 km (0.103 R)
• M13: 22,460,176 km (0.051 R)
• M14: 24,036,787 km (0.104 R)
• M15: 25,780,051 km (0.11 R)
• M16: 26,538,662 km (0.073 R)
• M17: 31,407,175 km (0.043 R)
• M18: 32,054,785 km (0.115 R)
• M19: 34,620,388 km (0.098 R)
• M20: 36,960,248 km (0.038 R)
• M21: 39,030,533 km (0.031 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 12,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit