🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.68 AU - 0.74 AU

Year: 222 Days

Day: 14.1 Hours

Environment

Temp: 145 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.8 AU - 1.12 AU

Year: 349 Days

Day: 17.3 Hours

Environment

Temp: 14 °C

Axial Tilt: 17.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.16 AU - 1.34 AU

Year: 518 Days

Day: 35.3 Hours

Environment

Temp: 9 °C

Axial Tilt: 44.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.64 AU - 2.26 AU

Year: 1010 Days

Day: 12.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.36 AU - 4.08 AU

Year: 2661 Days

Day: 22.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 51.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.96 AU - 4.84 AU

Year: 2856 Days

Day: 18.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 47.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.9

Radius: 13.6

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.65 AU - 5.59 AU

Year: 3683 Days

Day: 9.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,543,404 km

• M1: 169,794 km (0.111 R)
• M2: 616,792 km (0.086 R)
• M3: 1,414,448 km (0.037 R)
• M4: 1,919,789 km (0.077 R)
• M5: 2,605,247 km (0.076 R)
• M6: 3,341,568 km (0.06 R)
• M7: 4,027,324 km (0.102 R)
• M8: 5,134,349 km (0.09 R)
• M9: 6,295,826 km (0.073 R)
• M10: 7,223,632 km (0.072 R)
• M11: 9,459,821 km (0.104 R)
• M12: 10,017,821 km (0.071 R)
• M13: 14,318,311 km (0.105 R)
• M14: 15,765,521 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 13.3

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.8 AU - 8.7 AU

Year: 8001 Days

Day: 11.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,543,404 km

• M1: 171,888 km (0.103 R)
• M2: 590,313 km (0.079 R)
• M3: 1,799,513 km (0.104 R)
• M4: 2,324,302 km (0.1 R)
• M5: 3,259,139 km (0.099 R)
• M6: 4,209,086 km (0.099 R)
• M7: 4,661,170 km (0.081 R)
• M8: 5,271,979 km (0.106 R)
• M9: 6,920,098 km (0.047 R)
• M10: 7,758,445 km (0.059 R)
• M11: 8,354,293 km (0.109 R)
• M12: 8,798,449 km (0.091 R)
• M13: 9,978,477 km (0.054 R)
• M14: 13,178,974 km (0.066 R)
• M15: 14,657,899 km (0.104 R)
• M16: 15,972,565 km (0.053 R)
• M17: 18,535,176 km (0.119 R)
• M18: 19,601,959 km (0.111 R)
• M19: 20,628,948 km (0.107 R)
• M20: 24,192,818 km (0.118 R)
• M21: 25,466,644 km (0.111 R)
• M22: 26,498,570 km (0.117 R)
• M23: 27,363,545 km (0.071 R)
• M24: 28,346,403 km (0.056 R)
• M25: 29,048,466 km (0.063 R)
• M26: 29,864,821 km (0.06 R)
• M27: 35,781,567 km (0.103 R)
• M28: 36,601,662 km (0.09 R)
• M29: 40,764,373 km (0.114 R)
• M30: 43,091,068 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.7

Radius: 14.6

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 9.09 AU - 12.01 AU

Year: 12708 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,543,404 km

• M1: 203,603 km (0.101 R)
• M2: 739,163 km (0.1 R)
• M3: 1,393,654 km (0.114 R)
• M4: 2,203,427 km (0.116 R)
• M5: 2,727,768 km (0.084 R)
• M6: 3,583,318 km (0.078 R)
• M7: 4,229,581 km (0.087 R)
• M8: 4,826,925 km (0.115 R)
• M9: 6,118,403 km (0.076 R)
• M10: 7,333,736 km (0.076 R)
• M11: 8,380,922 km (0.081 R)
• M12: 8,893,294 km (0.107 R)
• M13: 9,426,461 km (0.094 R)
• M14: 10,084,243 km (0.076 R)
• M15: 10,718,388 km (0.075 R)
• M16: 13,274,417 km (0.098 R)
• M17: 15,030,996 km (0.117 R)
• M18: 22,271,682 km (0.115 R)
• M19: 26,590,722 km (0.076 R)
• M20: 27,293,533 km (0.115 R)
• M21: 30,447,206 km (0.078 R)
• M22: 31,550,341 km (0.101 R)
• M23: 32,224,877 km (0.078 R)
• M24: 35,380,345 km (0.1 R)
• M25: 39,509,994 km (0.075 R)
• M26: 41,758,002 km (0.09 R)
• M27: 43,119,641 km (0.066 R)
• M28: 46,943,662 km (0.104 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 10,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit