🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.53 AU - 0.71 AU

Year: 320 Days

Day: 31 Hours

Environment

Temp: -129 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.49 AU - 0.79 AU

Year: 336 Days

Day: 35 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,725,154 km

• M1: 267,780 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 13.9

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.62 AU - 0.82 AU

Year: 401 Days

Day: 10.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 44,725,154 km

• M1: 173,683 km (0.059 R)
• M2: 749,037 km (0.077 R)
• M3: 1,349,522 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892

Radius: 13.7

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.7 AU - 1.04 AU

Year: 532 Days

Day: 12.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,725,154 km

• M1: 170,392 km (0.045 R)
• M2: 654,640 km (0.111 R)
• M3: 1,361,341 km (0.102 R)
• M4: 1,837,361 km (0.049 R)
• M5: 2,673,912 km (0.064 R)
• M6: 3,347,103 km (0.093 R)
• M7: 4,353,298 km (0.076 R)
• M8: 5,035,016 km (0.089 R)
• M9: 5,569,978 km (0.117 R)
• M10: 6,533,089 km (0.091 R)
• M11: 7,128,488 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.8

Radius: 8.2

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.39 AU - 6.25 AU

Year: 8050 Days

Day: 6.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,725,154 km

• M1: 102,026 km (0.075 R)
• M2: 362,176 km (0.107 R)
• M3: 688,449 km (0.12 R)
• M4: 1,009,935 km (0.099 R)
• M5: 1,591,721 km (0.042 R)
• M6: 2,608,987 km (0.076 R)
• M7: 4,333,102 km (0.109 R)
• M8: 5,416,341 km (0.103 R)
• M9: 5,848,828 km (0.099 R)
• M10: 6,633,170 km (0.101 R)
• M11: 6,896,911 km (0.038 R)
• M12: 8,497,009 km (0.111 R)
• M13: 9,313,365 km (0.067 R)
• M14: 11,635,872 km (0.088 R)
• M15: 13,643,475 km (0.115 R)
• M16: 14,444,722 km (0.086 R)
• M17: 15,938,456 km (0.088 R)
• M18: 19,154,212 km (0.065 R)
• M19: 22,186,561 km (0.092 R)
• M20: 24,081,068 km (0.057 R)
• M21: 24,976,860 km (0.03 R)
• M22: 28,385,897 km (0.045 R)
• M23: 28,882,711 km (0.107 R)
• M24: 29,791,518 km (0.1 R)
• M25: 30,201,417 km (0.036 R)
• M26: 34,062,388 km (0.119 R)
• M27: 36,811,548 km (0.103 R)
• M28: 38,240,058 km (0.103 R)
• M29: 40,326,649 km (0.078 R)
• M30: 40,702,589 km (0.039 R)
• M31: 42,100,880 km (0.033 R)
• M32: 43,137,892 km (0.086 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 16,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit