🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.5 AU - 0.68 AU

Year: 172 Days

Day: 12.1 Hours

Environment

Temp: 132 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.95 AU

Year: 286 Days

Day: 33.4 Hours

Environment

Temp: 69 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.81 AU - 0.99 AU

Year: 323 Days

Day: 35.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 56,342,684 km

• M1: 148,401 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.97 AU - 0.99 AU

Year: 367 Days

Day: 13.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 43.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.08 AU - 2.32 AU

Year: 1236 Days

Day: 28.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.71 AU - 2.75 AU

Year: 1261 Days

Day: 43.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 157.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,342,684 km

• M1: 41,439 km (0.102 R)
• M2: 993,629 km (0.112 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.55 AU - 3.65 AU

Year: 2067 Days

Day: 40.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,342,684 km

• M1: 178,769 km (0.042 R)

Asteroid Belt

Center: 4.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.6

Radius: 13.9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.83 AU - 6.53 AU

Year: 5127 Days

Day: 5.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,342,684 km

• M1: 173,833 km (0.119 R)
• M2: 670,198 km (0.038 R)
• M3: 1,402,181 km (0.092 R)
• M4: 2,920,599 km (0.115 R)
• M5: 5,297,560 km (0.093 R)
• M6: 7,054,886 km (0.09 R)
• M7: 9,367,968 km (0.117 R)
• M8: 13,451,541 km (0.034 R)
• M9: 14,952,457 km (0.067 R)
• M10: 25,603,975 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.4

Radius: 11.2

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.9 AU - 9.9 AU

Year: 10915 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,342,684 km

• M1: 150,795 km (0.051 R)
• M2: 793,018 km (0.118 R)
• M3: 1,666,221 km (0.114 R)
• M4: 3,054,041 km (0.068 R)
• M5: 3,961,501 km (0.069 R)
• M6: 6,581,409 km (0.088 R)
• M7: 7,928,388 km (0.105 R)
• M8: 13,179,273 km (0.116 R)
• M9: 13,748,493 km (0.102 R)
• M10: 17,178,174 km (0.081 R)
• M11: 18,555,372 km (0.1 R)
• M12: 19,343,453 km (0.1 R)
• M13: 22,238,621 km (0.027 R)
• M14: 36,163,340 km (0.111 R)
• M15: 36,942,446 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.4

Radius: 7.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 10.93 AU - 16.85 AU

Year: 19607 Days

Day: 24.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,342,684 km

• M1: 98,286 km (0.051 R)
• M2: 431,739 km (0.12 R)
• M3: 885,470 km (0.073 R)
• M4: 1,230,143 km (0.056 R)
• M5: 1,993,541 km (0.067 R)
• M6: 2,530,448 km (0.08 R)
• M7: 4,632,747 km (0.109 R)
• M8: 5,608,574 km (0.072 R)
• M9: 6,318,416 km (0.098 R)
• M10: 6,594,573 km (0.104 R)
• M11: 7,171,124 km (0.111 R)
• M12: 8,807,874 km (0.064 R)
• M13: 10,350,677 km (0.047 R)
• M14: 11,826,759 km (0.044 R)
• M15: 13,502,853 km (0.057 R)
• M16: 14,161,982 km (0.068 R)
• M17: 21,091,355 km (0.09 R)
• M18: 24,112,185 km (0.111 R)
• M19: 25,377,633 km (0.082 R)
• M20: 29,111,895 km (0.097 R)
• M21: 32,842,866 km (0.042 R)
• M22: 34,274,967 km (0.091 R)
• M23: 34,761,459 km (0.03 R)
• M24: 36,880,513 km (0.114 R)
• M25: 39,084,239 km (0.084 R)
• M26: 41,100,369 km (0.109 R)
• M27: 42,622,378 km (0.105 R)
• M28: 50,015,355 km (0.053 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 12,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit