🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.41 AU - 0.65 AU

Year: 136 Days

Day: 14.9 Hours

Environment

Temp: 212 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.2 AU - 1.72 AU

Year: 620 Days

Day: 33.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 49,631,593 km

• M1: 42,635 km (0.118 R)
• M2: 947,254 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.44 AU - 2.32 AU

Year: 906 Days

Day: 41.4 Hours

Environment

Temp: -47 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,631,593 km

• M1: 270,473 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.85 AU - 2.49 AU

Year: 1123 Days

Day: 24.5 Hours

Environment

Temp: -54 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,631,593 km

• M1: 871,408 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.15 AU - 2.37 AU

Year: 1194 Days

Day: 30.8 Hours

Environment

Temp: -68 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,631,593 km

• M1: 1,942,229 km (0.054 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.83 AU - 3.65 AU

Year: 2050 Days

Day: 16.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,631,593 km

• M1: 1,340,995 km (0.111 R)
• M2: 2,055,624 km (0.094 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.23 AU - 3.51 AU

Year: 2174 Days

Day: 25.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 106.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 14.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.5

Radius: 6.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 11.02 AU - 17.1 AU

Year: 18529 Days

Day: 24.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,631,593 km

• M1: 80,783 km (0.106 R)
• M2: 518,805 km (0.081 R)
• M3: 1,115,701 km (0.115 R)
• M4: 1,344,586 km (0.054 R)
• M5: 3,631,189 km (0.105 R)
• M6: 4,241,997 km (0.044 R)
• M7: 5,358,895 km (0.097 R)
• M8: 5,920,635 km (0.083 R)
• M9: 8,118,078 km (0.101 R)
• M10: 8,815,952 km (0.084 R)
• M11: 9,157,933 km (0.116 R)
• M12: 9,420,178 km (0.052 R)
• M13: 9,642,480 km (0.063 R)
• M14: 12,538,246 km (0.116 R)
• M15: 14,211,947 km (0.114 R)
• M16: 14,682,283 km (0.113 R)
• M17: 16,092,393 km (0.101 R)
• M18: 17,928,108 km (0.037 R)
• M19: 19,753,651 km (0.097 R)
• M20: 22,480,970 km (0.105 R)
• M21: 23,852,034 km (0.089 R)
• M22: 28,022,823 km (0.072 R)
• M23: 28,762,135 km (0.113 R)
• M24: 29,230,826 km (0.105 R)
• M25: 30,570,026 km (0.12 R)
• M26: 34,938,882 km (0.111 R)
• M27: 36,555,736 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.5

Radius: 3.3

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 14.24 AU - 23.38 AU

Year: 28672 Days

Day: 17.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 104.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,631,593 km

• M1: 50,714 km (0.109 R)
• M2: 251,923 km (0.103 R)
• M3: 431,889 km (0.1 R)
• M4: 743,801 km (0.075 R)
• M5: 974,331 km (0.078 R)
• M6: 2,432,761 km (0.064 R)
• M7: 2,870,933 km (0.112 R)
• M8: 10,174,151 km (0.079 R)
• M9: 11,077,124 km (0.112 R)
• M10: 11,802,823 km (0.067 R)
• M11: 14,756,633 km (0.049 R)
• M12: 16,760,646 km (0.084 R)
• M13: 18,473,542 km (0.09 R)
• M14: 18,782,910 km (0.113 R)
• M15: 22,242,660 km (0.026 R)
• M16: 23,035,379 km (0.089 R)
• M17: 25,814,160 km (0.105 R)
• M18: 26,297,959 km (0.113 R)
• M19: 29,015,704 km (0.088 R)
• M20: 30,281,302 km (0.102 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 12,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit