🌌 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: 757.8

Radius: 11

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.65 AU - 0.87 AU

Year: 466 Days

Day: 6.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,563,819 km

• M1: 137,780 km (0.094 R)
• M2: 636,090 km (0.089 R)
• M3: 1,040,453 km (0.075 R)
• M4: 1,413,550 km (0.107 R)
• M5: 2,129,077 km (0.109 R)
• M6: 2,540,022 km (0.049 R)
• M7: 3,037,585 km (0.081 R)
• M8: 3,388,691 km (0.027 R)
• M9: 4,145,357 km (0.07 R)
• M10: 4,624,220 km (0.105 R)
• M11: 5,188,353 km (0.041 R)
• M12: 5,589,724 km (0.057 R)
• M13: 6,193,801 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.1

Radius: 10.4

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.76 AU - 0.86 AU

Year: 512 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,563,819 km

• M1: 129,402 km (0.074 R)
• M2: 591,211 km (0.105 R)
• M3: 922,420 km (0.116 R)
• M4: 1,413,550 km (0.045 R)
• M5: 1,949,410 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.1

Radius: 13

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.03 AU - 1.23 AU

Year: 844 Days

Day: 11.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,563,819 km

• M1: 161,715 km (0.116 R)
• M2: 621,878 km (0.119 R)
• M3: 1,032,824 km (0.106 R)
• M4: 1,666,969 km (0.111 R)
• M5: 2,127,132 km (0.073 R)
• M6: 2,562,911 km (0.089 R)
• M7: 3,083,362 km (0.12 R)
• M8: 4,643,518 km (0.064 R)
• M9: 6,615,966 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.5

Radius: 14.1

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.41 AU - 1.53 AU

Year: 1253 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 63.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,563,819 km

• M1: 175,478 km (0.046 R)
• M2: 721,959 km (0.06 R)
• M3: 1,203,664 km (0.114 R)
• M4: 2,247,858 km (0.099 R)
• M5: 2,944,684 km (0.118 R)
• M6: 3,466,332 km (0.107 R)
• M7: 4,717,270 km (0.053 R)
• M8: 5,394,499 km (0.092 R)
• M9: 6,158,645 km (0.072 R)
• M10: 6,675,356 km (0.112 R)
• M11: 8,345,467 km (0.07 R)
• M12: 9,128,013 km (0.112 R)
• M13: 9,614,655 km (0.104 R)
• M14: 11,595,929 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.4

Radius: 12.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.44 AU - 2.08 AU

Year: 1641 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,563,819 km

• M1: 159,322 km (0.036 R)
• M2: 835,953 km (0.045 R)
• M3: 1,570,179 km (0.113 R)
• M4: 2,012,241 km (0.112 R)
• M5: 3,562,823 km (0.086 R)
• M6: 4,559,743 km (0.07 R)
• M7: 5,023,347 km (0.069 R)
• M8: 6,559,268 km (0.112 R)
• M9: 9,606,278 km (0.094 R)
• M10: 10,837,169 km (0.086 R)
• M11: 11,420,750 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146

Radius: 12.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.5 AU - 3.96 AU

Year: 4080 Days

Day: 7.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,563,819 km

• M1: 155,731 km (0.097 R)
• M2: 801,545 km (0.033 R)
• M3: 1,278,314 km (0.039 R)
• M4: 1,934,749 km (0.075 R)
• M5: 2,998,390 km (0.097 R)
• M6: 4,148,798 km (0.111 R)
• M7: 4,951,989 km (0.116 R)
• M8: 6,123,490 km (0.054 R)
• M9: 9,869,420 km (0.11 R)
• M10: 13,400,977 km (0.094 R)
• M11: 14,083,892 km (0.093 R)

Asteroid Belt

Center: 6.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.5

Radius: 3.3

Gravity: 12.99 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.06 AU - 11.48 AU

Year: 23135 Days

Day: 20.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,563,819 km

• M1: 50,265 km (0.097 R)
• M2: 173,982 km (0.113 R)
• M3: 700,268 km (0.053 R)
• M4: 2,631,726 km (0.118 R)
• M5: 3,186,734 km (0.107 R)
• M6: 7,413,771 km (0.064 R)
• M7: 11,729,819 km (0.045 R)
• M8: 16,809,864 km (0.067 R)
• M9: 18,602,495 km (0.091 R)
• M10: 18,757,329 km (0.084 R)
• M11: 22,649,866 km (0.088 R)
• M12: 24,365,155 km (0.036 R)
• M13: 44,682,341 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 11,778 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit