🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.16 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.89 AU - 2.73 AU

Year: 1323 Days

Day: 47 Hours

Environment

Temp: -90 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.18 AU - 2.9 AU

Year: 1525 Days

Day: 47.5 Hours

Environment

Temp: -97 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,189,941 km

• M1: 48,171 km (0.076 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.62 AU - 3.4 AU

Year: 1967 Days

Day: 43.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,189,941 km

• M1: 365,916 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.9

Radius: 13.1

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.07 AU - 5.27 AU

Year: 3802 Days

Day: 6.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,189,941 km

• M1: 162,912 km (0.046 R)
• M2: 738,116 km (0.105 R)
• M3: 1,211,593 km (0.104 R)
• M4: 2,437,099 km (0.107 R)
• M5: 3,123,454 km (0.106 R)
• M6: 5,881,141 km (0.104 R)
• M7: 6,554,332 km (0.101 R)
• M8: 7,485,129 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.8

Radius: 14.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.58 AU - 7.18 AU

Year: 6071 Days

Day: 5.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,189,941 km

• M1: 176,525 km (0.08 R)
• M2: 778,657 km (0.058 R)
• M3: 1,276,967 km (0.119 R)
• M4: 1,848,880 km (0.113 R)
• M5: 3,096,826 km (0.067 R)
• M6: 3,970,178 km (0.113 R)
• M7: 5,374,902 km (0.059 R)
• M8: 7,289,007 km (0.11 R)
• M9: 11,117,067 km (0.058 R)
• M10: 13,057,650 km (0.086 R)
• M11: 15,832,541 km (0.101 R)
• M12: 21,180,665 km (0.105 R)
• M13: 22,957,738 km (0.03 R)
• M14: 24,602,267 km (0.098 R)
• M15: 26,324,139 km (0.064 R)
• M16: 26,807,340 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.2

Radius: 5.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 12.11 AU - 18.93 AU

Year: 23034 Days

Day: 24.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,189,941 km

• M1: 67,169 km (0.04 R)
• M2: 839,394 km (0.113 R)
• M3: 1,352,215 km (0.115 R)
• M4: 1,582,446 km (0.087 R)
• M5: 2,070,285 km (0.097 R)
• M6: 3,459,600 km (0.115 R)
• M7: 3,787,668 km (0.108 R)
• M8: 4,418,672 km (0.086 R)
• M9: 6,136,056 km (0.103 R)
• M10: 6,391,868 km (0.119 R)
• M11: 7,122,504 km (0.025 R)
• M12: 7,864,510 km (0.048 R)
• M13: 8,254,362 km (0.107 R)
• M14: 10,194,796 km (0.087 R)
• M15: 10,658,250 km (0.102 R)
• M16: 11,028,355 km (0.104 R)
• M17: 11,962,594 km (0.12 R)
• M18: 12,132,836 km (0.101 R)
• M19: 12,653,138 km (0.097 R)
• M20: 14,367,230 km (0.056 R)
• M21: 14,753,641 km (0.088 R)
• M22: 15,818,180 km (0.071 R)
• M23: 16,023,278 km (0.04 R)
• M24: 20,834,645 km (0.111 R)
• M25: 22,515,527 km (0.116 R)
• M26: 25,389,451 km (0.098 R)
• M27: 28,904,403 km (0.078 R)
• M28: 32,952,521 km (0.089 R)
• M29: 35,343,843 km (0.086 R)
• M30: 36,641,605 km (0.103 R)
• M31: 39,206,610 km (0.101 R)
• M32: 40,724,729 km (0.046 R)
• M33: 43,341,495 km (0.106 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: 336 - 13,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit