🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.62 AU - 0.62 AU

Year: 171 Days

Day: 26.3 Hours

Environment

Temp: 176 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.77 AU - 0.81 AU

Year: 246 Days

Day: 27.8 Hours

Environment

Temp: 185 °C

Axial Tilt: 7.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.76 AU - 0.92 AU

Year: 269 Days

Day: 13.4 Hours

Environment

Temp: 171 °C

Axial Tilt: 4.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.71 AU - 1.07 AU

Year: 294 Days

Day: 36.1 Hours

Environment

Temp: 156 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.83 AU - 1.27 AU

Year: 376 Days

Day: 27.7 Hours

Environment

Temp: 82 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.86 AU - 1.86 AU

Year: 887 Days

Day: 16.5 Hours

Environment

Temp: -40 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.33 AU - 2.45 AU

Year: 1293 Days

Day: 19.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717

Radius: 10.9

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.27 AU - 8.37 AU

Year: 6929 Days

Day: 5.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,023,099 km

• M1: 135,685 km (0.096 R)
• M2: 942,616 km (0.107 R)
• M3: 1,475,484 km (0.084 R)
• M4: 1,848,730 km (0.111 R)
• M5: 3,218,149 km (0.09 R)
• M6: 4,308,718 km (0.098 R)
• M7: 4,713,231 km (0.076 R)
• M8: 5,352,313 km (0.082 R)
• M9: 5,788,690 km (0.114 R)
• M10: 8,711,982 km (0.106 R)
• M11: 9,273,123 km (0.115 R)
• M12: 10,042,954 km (0.088 R)
• M13: 10,563,405 km (0.102 R)
• M14: 12,718,362 km (0.118 R)
• M15: 14,015,077 km (0.12 R)
• M16: 15,460,192 km (0.088 R)
• M17: 19,943,790 km (0.094 R)
• M18: 21,690,644 km (0.115 R)
• M19: 28,467,727 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.8

Radius: 11

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 10.35 AU - 14.43 AU

Year: 15258 Days

Day: 9.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,023,099 km

• M1: 136,732 km (0.086 R)
• M2: 623,075 km (0.061 R)
• M3: 1,006,794 km (0.093 R)
• M4: 1,368,671 km (0.108 R)
• M5: 1,753,736 km (0.117 R)
• M6: 2,099,157 km (0.113 R)
• M7: 2,449,216 km (0.046 R)
• M8: 3,269,611 km (0.106 R)
• M9: 4,542,091 km (0.063 R)
• M10: 5,203,463 km (0.082 R)
• M11: 5,630,415 km (0.072 R)
• M12: 6,314,825 km (0.099 R)
• M13: 6,884,644 km (0.09 R)
• M14: 7,667,639 km (0.097 R)
• M15: 8,460,508 km (0.106 R)
• M16: 8,852,155 km (0.03 R)
• M17: 9,938,235 km (0.106 R)
• M18: 12,003,584 km (0.103 R)
• M19: 12,815,302 km (0.066 R)
• M20: 15,039,972 km (0.1 R)
• M21: 15,543,069 km (0.112 R)
• M22: 16,735,364 km (0.116 R)
• M23: 18,884,038 km (0.108 R)
• M24: 23,818,674 km (0.117 R)
• M25: 24,207,927 km (0.078 R)
• M26: 29,327,915 km (0.106 R)
• M27: 31,260,869 km (0.117 R)
• M28: 40,531,748 km (0.1 R)
• M29: 42,212,630 km (0.068 R)
• M30: 45,563,622 km (0.057 R)
• M31: 47,533,975 km (0.089 R)
• M32: 51,969,851 km (0.05 R)
• M33: 58,244,435 km (0.096 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 18,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit