🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.79 AU - 1.15 AU

Year: 333 Days

Day: 24.7 Hours

Environment

Temp: 102 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.78 AU - 1.24 AU

Year: 353 Days

Day: 16.5 Hours

Environment

Temp: 118 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.98 AU - 1.62 AU

Year: 516 Days

Day: 18.3 Hours

Environment

Temp: 26 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.5 AU - 1.68 AU

Year: 698 Days

Day: 13.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 21.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 66,134,990 km

• M1: 714,479 km (0.116 R)
• M2: 926,460 km (0.053 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.35 AU - 1.83 AU

Year: 698 Days

Day: 20.5 Hours

Environment

Temp: -22 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.41 AU - 1.89 AU

Year: 738 Days

Day: 30.7 Hours

Environment

Temp: -23 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,134,990 km

• M1: 394,938 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.3

Radius: 13.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.32 AU - 11.24 AU

Year: 11478 Days

Day: 12.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,134,990 km

• M1: 167,250 km (0.053 R)
• M2: 1,058,405 km (0.115 R)
• M3: 1,611,917 km (0.091 R)
• M4: 3,600,970 km (0.09 R)
• M5: 4,324,874 km (0.104 R)
• M6: 7,174,265 km (0.114 R)
• M7: 7,867,352 km (0.1 R)
• M8: 12,083,469 km (0.101 R)
• M9: 14,638,301 km (0.099 R)
• M10: 16,702,752 km (0.096 R)
• M11: 17,534,516 km (0.072 R)
• M12: 21,314,854 km (0.032 R)
• M13: 21,756,018 km (0.064 R)
• M14: 22,474,537 km (0.071 R)
• M15: 23,023,860 km (0.062 R)
• M16: 40,520,678 km (0.101 R)
• M17: 50,088,209 km (0.066 R)
• M18: 53,747,373 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680

Radius: 4.4

Gravity: 35.12 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 19.09 AU - 20.03 AU

Year: 30126 Days

Day: 20.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,134,990 km

• M1: 58,642 km (0.117 R)
• M2: 258,954 km (0.103 R)
• M3: 518,955 km (0.081 R)
• M4: 2,219,584 km (0.069 R)
• M5: 3,445,239 km (0.117 R)
• M6: 3,604,710 km (0.094 R)
• M7: 4,783,542 km (0.054 R)
• M8: 5,311,622 km (0.065 R)
• M9: 6,925,185 km (0.094 R)
• M10: 9,884,829 km (0.1 R)
• M11: 10,738,285 km (0.051 R)
• M12: 11,710,970 km (0.068 R)
• M13: 16,280,736 km (0.111 R)
• M14: 20,012,006 km (0.098 R)
• M15: 21,053,058 km (0.07 R)
• M16: 21,265,487 km (0.097 R)
• M17: 25,699,867 km (0.104 R)
• M18: 33,809,119 km (0.076 R)
• M19: 34,246,842 km (0.104 R)
• M20: 35,884,340 km (0.093 R)
• M21: 44,160,693 km (0.12 R)
• M22: 45,920,114 km (0.106 R)
• M23: 46,098,584 km (0.088 R)
• M24: 59,138,881 km (0.092 R)
• M25: 66,379,418 km (0.11 R)
• M26: 67,987,744 km (0.064 R)
• M27: 72,968,007 km (0.076 R)
• M28: 78,440,596 km (0.088 R)
• M29: 83,381,664 km (0.112 R)
• M30: 84,984,007 km (0.118 R)
• M31: 94,742,276 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.5

Radius: 6.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 19.32 AU - 22.06 AU

Year: 32774 Days

Day: 19.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 59.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,134,990 km

• M1: 138,976 km (0.089 R)
• M2: 638,334 km (0.118 R)
• M3: 1,959,732 km (0.065 R)
• M4: 2,353,175 km (0.098 R)
• M5: 3,458,553 km (0.1 R)
• M6: 3,854,988 km (0.105 R)
• M7: 4,473,425 km (0.067 R)
• M8: 7,714,613 km (0.057 R)
• M9: 7,952,024 km (0.117 R)
• M10: 8,292,509 km (0.061 R)
• M11: 8,847,368 km (0.098 R)
• M12: 12,189,384 km (0.1 R)
• M13: 12,642,366 km (0.077 R)
• M14: 15,374,622 km (0.117 R)
• M15: 18,561,505 km (0.103 R)
• M16: 19,334,777 km (0.111 R)
• M17: 24,841,325 km (0.112 R)
• M18: 25,255,711 km (0.07 R)
• M19: 25,780,051 km (0.106 R)
• M20: 34,669,606 km (0.119 R)
• M21: 40,505,269 km (0.063 R)
• M22: 51,685,466 km (0.117 R)
• M23: 55,120,532 km (0.063 R)
• M24: 58,704,748 km (0.106 R)
• M25: 60,553,777 km (0.099 R)
• M26: 65,345,547 km (0.09 R)

Kuiper Belt

Range: 31.5 - 61.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 12,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit