🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.54 AU - 0.78 AU

Year: 194 Days

Day: 30.7 Hours

Environment

Temp: 210 °C

Axial Tilt: 44.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,245,298 km

• M1: 505,342 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.84 AU - 0.96 AU

Year: 309 Days

Day: 38.1 Hours

Environment

Temp: 75 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,245,298 km

• M1: 709,244 km (0.053 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.02 AU - 1.4 AU

Year: 481 Days

Day: 27.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.95 AU - 2.99 AU

Year: 1851 Days

Day: 30.7 Hours

Environment

Temp: -103 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.24 AU - 4.46 AU

Year: 2732 Days

Day: 27 Hours

Environment

Temp: -112 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.4

Radius: 12.6

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.25 AU - 5.45 AU

Year: 4475 Days

Day: 10.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,245,298 km

• M1: 156,779 km (0.091 R)
• M2: 578,645 km (0.095 R)
• M3: 1,217,876 km (0.088 R)
• M4: 2,334,325 km (0.115 R)
• M5: 3,165,641 km (0.096 R)
• M6: 3,906,000 km (0.092 R)
• M7: 4,528,328 km (0.056 R)
• M8: 5,271,679 km (0.111 R)
• M9: 5,851,371 km (0.112 R)
• M10: 6,635,414 km (0.092 R)
• M11: 7,277,338 km (0.108 R)
• M12: 8,685,204 km (0.084 R)
• M13: 9,537,463 km (0.029 R)
• M14: 9,962,620 km (0.106 R)
• M15: 12,083,618 km (0.1 R)
• M16: 14,104,985 km (0.112 R)
• M17: 15,224,725 km (0.078 R)
• M18: 15,924,544 km (0.105 R)
• M19: 16,524,132 km (0.048 R)
• M20: 20,163,699 km (0.085 R)
• M21: 24,941,256 km (0.055 R)
• M22: 28,720,098 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.6

Radius: 11.5

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.96 AU - 5.94 AU

Year: 4601 Days

Day: 11.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,245,298 km

• M1: 145,260 km (0.097 R)
• M2: 657,034 km (0.081 R)
• M3: 2,295,430 km (0.079 R)
• M4: 2,874,972 km (0.115 R)
• M5: 3,768,221 km (0.095 R)
• M6: 4,732,529 km (0.109 R)
• M7: 5,217,226 km (0.045 R)
• M8: 5,734,685 km (0.087 R)
• M9: 6,317,967 km (0.052 R)
• M10: 7,180,099 km (0.078 R)
• M11: 7,969,228 km (0.105 R)
• M12: 10,731,403 km (0.076 R)
• M13: 12,006,426 km (0.042 R)
• M14: 13,014,117 km (0.118 R)
• M15: 16,376,329 km (0.086 R)
• M16: 16,926,101 km (0.103 R)
• M17: 17,998,419 km (0.08 R)
• M18: 22,444,019 km (0.07 R)
• M19: 23,122,744 km (0.083 R)
• M20: 23,893,024 km (0.072 R)
• M21: 24,442,198 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 13.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.16 AU - 10.62 AU

Year: 9586 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,245,298 km

• M1: 170,093 km (0.074 R)
• M2: 1,352,963 km (0.074 R)
• M3: 1,936,245 km (0.089 R)
• M4: 2,486,017 km (0.088 R)
• M5: 3,302,373 km (0.118 R)
• M6: 6,466,218 km (0.047 R)
• M7: 7,332,839 km (0.099 R)
• M8: 8,364,915 km (0.116 R)
• M9: 14,048,586 km (0.095 R)
• M10: 15,230,260 km (0.034 R)
• M11: 15,984,233 km (0.091 R)
• M12: 17,865,726 km (0.093 R)
• M13: 18,627,328 km (0.071 R)
• M14: 19,410,473 km (0.119 R)
• M15: 20,626,106 km (0.085 R)
• M16: 23,659,801 km (0.073 R)
• M17: 24,208,077 km (0.066 R)
• M18: 29,113,690 km (0.099 R)
• M19: 30,061,991 km (0.119 R)
• M20: 32,466,927 km (0.085 R)
• M21: 33,716,219 km (0.043 R)
• M22: 34,527,787 km (0.056 R)
• M23: 36,190,118 km (0.047 R)
• M24: 39,290,086 km (0.069 R)
• M25: 44,059,266 km (0.066 R)
• M26: 48,171,412 km (0.102 R)
• M27: 49,201,094 km (0.112 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 148 - 20,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit