🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.48 AU - 0.68 AU

Year: 158 Days

Day: 44.9 Hours

Environment

Temp: 189 °C

Axial Tilt: 37.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.58 AU - 0.96 AU

Year: 242 Days

Day: 13.5 Hours

Environment

Temp: 133 °C

Axial Tilt: 23.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.08 AU - 1.64 AU

Year: 568 Days

Day: 43.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 100,709,844 km

• M1: 39,344 km (0.118 R)
• M2: 60,138 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.04 AU - 1.7 AU

Year: 574 Days

Day: 27.7 Hours

Environment

Temp: 6 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.61 AU - 2.15 AU

Year: 923 Days

Day: 28.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.03 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.6

Radius: 8.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.67 AU - 6.69 AU

Year: 5502 Days

Day: 7 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 100,709,844 km

• M1: 106,514 km (0.084 R)
• M2: 399,426 km (0.038 R)
• M3: 2,416,754 km (0.099 R)
• M4: 4,989,538 km (0.077 R)
• M5: 5,303,993 km (0.072 R)
• M6: 5,659,587 km (0.086 R)
• M7: 6,479,981 km (0.107 R)
• M8: 7,717,006 km (0.088 R)
• M9: 8,102,819 km (0.072 R)
• M10: 8,464,696 km (0.069 R)
• M11: 9,695,737 km (0.105 R)
• M12: 13,792,624 km (0.106 R)
• M13: 14,204,767 km (0.119 R)
• M14: 14,625,137 km (0.115 R)
• M15: 19,553,638 km (0.117 R)
• M16: 20,470,374 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.3

Radius: 10.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.8 AU - 11.2 AU

Year: 12186 Days

Day: 8.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 100,709,844 km

• M1: 130,599 km (0.091 R)
• M2: 653,892 km (0.079 R)
• M3: 1,283,550 km (0.091 R)
• M4: 1,718,281 km (0.099 R)
• M5: 4,135,633 km (0.069 R)
• M6: 6,542,663 km (0.099 R)
• M7: 7,532,103 km (0.08 R)
• M8: 8,576,596 km (0.064 R)
• M9: 8,959,716 km (0.12 R)
• M10: 11,000,679 km (0.113 R)
• M11: 14,023,903 km (0.09 R)
• M12: 14,980,432 km (0.1 R)
• M13: 15,474,703 km (0.069 R)
• M14: 16,495,858 km (0.047 R)
• M15: 17,023,041 km (0.116 R)
• M16: 17,425,758 km (0.118 R)
• M17: 24,340,920 km (0.111 R)
• M18: 27,152,014 km (0.116 R)
• M19: 30,270,680 km (0.082 R)
• M20: 32,272,749 km (0.042 R)
• M21: 35,766,607 km (0.113 R)

Asteroid Belt

Center: 14.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.5

Radius: 5.7

Gravity: 25.62 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 15.4 AU - 20.84 AU

Year: 27626 Days

Day: 15.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 100,709,844 km

• M1: 73,153 km (0.087 R)
• M2: 335,398 km (0.095 R)
• M3: 591,959 km (0.117 R)
• M4: 794,365 km (0.1 R)
• M5: 1,462,170 km (0.045 R)
• M6: 1,759,271 km (0.051 R)
• M7: 2,474,947 km (0.089 R)
• M8: 2,761,128 km (0.118 R)
• M9: 3,127,493 km (0.058 R)
• M10: 4,239,454 km (0.068 R)
• M11: 5,813,972 km (0.119 R)
• M12: 6,040,762 km (0.117 R)
• M13: 6,320,510 km (0.116 R)
• M14: 7,316,084 km (0.101 R)
• M15: 7,742,139 km (0.101 R)
• M16: 9,676,289 km (0.108 R)
• M17: 10,189,560 km (0.084 R)
• M18: 10,586,293 km (0.101 R)
• M19: 13,264,245 km (0.072 R)
• M20: 15,309,547 km (0.118 R)
• M21: 15,829,998 km (0.103 R)
• M22: 17,934,690 km (0.117 R)
• M23: 20,322,422 km (0.105 R)
• M24: 20,739,950 km (0.114 R)
• M25: 21,484,498 km (0.112 R)
• M26: 22,136,595 km (0.117 R)
• M27: 23,026,553 km (0.068 R)
• M28: 27,327,941 km (0.101 R)
• M29: 31,995,095 km (0.116 R)
• M30: 33,420,015 km (0.094 R)
• M31: 33,855,644 km (0.063 R)
• M32: 46,555,007 km (0.088 R)
• M33: 52,374,813 km (0.112 R)
• M34: 54,350,851 km (0.065 R)
• M35: 56,375,958 km (0.092 R)
• M36: 58,241,144 km (0.12 R)
• M37: 66,113,732 km (0.093 R)
• M38: 70,303,220 km (0.11 R)
• M39: 74,172,719 km (0.085 R)
• M40: 84,462,808 km (0.085 R)
• M41: 91,354,333 km (0.09 R)
• M42: 100,709,885 km (0.115 R)

Kuiper Belt

Range: 30.6 - 46.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 19,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit