🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.62 AU - 0.94 AU

Year: 257 Days

Day: 14.1 Hours

Environment

Temp: 145 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1 AU - 1.3 AU

Year: 460 Days

Day: 34 Hours

Environment

Temp: 17 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 71,713,606 km

• M1: 663,915 km (0.109 R)
• M2: 1,172,698 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.92 AU - 1.44 AU

Year: 478 Days

Day: 34.9 Hours

Environment

Temp: -12 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.81 AU - 2.69 AU

Year: 1258 Days

Day: 20.1 Hours

Environment

Temp: -76 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,713,606 km

• M1: 150,047 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.58 AU - 3.88 AU

Year: 2685 Days

Day: 33.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.9

Radius: 11.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.21 AU - 5.47 AU

Year: 3969 Days

Day: 6.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,713,606 km

• M1: 145,559 km (0.072 R)
• M2: 567,275 km (0.111 R)
• M3: 1,894,358 km (0.083 R)
• M4: 2,462,979 km (0.117 R)
• M5: 4,471,181 km (0.097 R)
• M6: 5,286,190 km (0.09 R)
• M7: 6,197,541 km (0.065 R)
• M8: 8,098,182 km (0.092 R)
• M9: 10,013,633 km (0.078 R)
• M10: 12,258,050 km (0.113 R)
• M11: 14,523,709 km (0.069 R)
• M12: 15,626,694 km (0.1 R)
• M13: 20,355,633 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 13.9

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.13 AU - 8.43 AU

Year: 8090 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 158.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,713,606 km

• M1: 173,982 km (0.108 R)
• M2: 779,704 km (0.12 R)
• M3: 1,586,485 km (0.064 R)
• M4: 2,349,584 km (0.112 R)
• M5: 5,834,018 km (0.106 R)
• M6: 6,611,777 km (0.057 R)
• M7: 8,138,723 km (0.062 R)
• M8: 9,712,941 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.4

Radius: 10.4

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.22 AU - 10.82 AU

Year: 11824 Days

Day: 11.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,713,606 km

• M1: 131,347 km (0.114 R)
• M2: 714,330 km (0.069 R)
• M3: 1,651,860 km (0.077 R)
• M4: 2,251,149 km (0.069 R)
• M5: 3,768,520 km (0.053 R)
• M6: 4,193,378 km (0.107 R)
• M7: 7,308,305 km (0.1 R)
• M8: 8,009,769 km (0.1 R)
• M9: 12,207,785 km (0.115 R)
• M10: 13,248,537 km (0.117 R)
• M11: 18,808,791 km (0.081 R)
• M12: 22,477,379 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.9

Radius: 6

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 13.33 AU - 20.15 AU

Year: 25532 Days

Day: 18.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,713,606 km

• M1: 75,547 km (0.042 R)
• M2: 373,546 km (0.104 R)
• M3: 923,767 km (0.072 R)
• M4: 1,128,118 km (0.078 R)
• M5: 2,672,566 km (0.098 R)
• M6: 2,890,380 km (0.11 R)
• M7: 3,199,150 km (0.053 R)
• M8: 3,703,295 km (0.117 R)
• M9: 4,833,657 km (0.105 R)
• M10: 6,516,034 km (0.07 R)
• M11: 7,898,768 km (0.079 R)
• M12: 9,246,196 km (0.092 R)
• M13: 9,689,903 km (0.112 R)
• M14: 12,995,567 km (0.111 R)
• M15: 15,013,343 km (0.103 R)
• M16: 15,938,756 km (0.09 R)
• M17: 18,244,807 km (0.077 R)
• M18: 18,942,531 km (0.066 R)
• M19: 19,567,401 km (0.041 R)
• M20: 21,047,224 km (0.116 R)
• M21: 23,404,587 km (0.055 R)
• M22: 28,519,936 km (0.075 R)
• M23: 30,056,157 km (0.051 R)
• M24: 31,896,360 km (0.091 R)
• M25: 33,810,166 km (0.032 R)
• M26: 36,342,708 km (0.114 R)
• M27: 45,165,841 km (0.104 R)
• M28: 48,231,849 km (0.043 R)
• M29: 48,562,461 km (0.032 R)
• M30: 51,778,965 km (0.112 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: 550 - 17,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit