🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.92 AU - 1.1 AU

Year: 360 Days

Day: 30.8 Hours

Environment

Temp: 84 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.02 AU - 1.06 AU

Year: 376 Days

Day: 19.2 Hours

Environment

Temp: 103 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,621,436 km

• M1: 135,984 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.95 AU - 1.55 AU

Year: 496 Days

Day: 35.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 41.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.03 AU - 1.71 AU

Year: 569 Days

Day: 32.4 Hours

Environment

Temp: -11 °C

Axial Tilt: 78.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.55 AU - 2.13 AU

Year: 885 Days

Day: 45 Hours

Environment

Temp: -39 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,621,436 km

• M1: 455,526 km (0.083 R)

Asteroid Belt

Center: 3.73 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842

Radius: 10.6

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.77 AU - 6.45 AU

Year: 4714 Days

Day: 12.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,621,436 km

• M1: 134,638 km (0.037 R)
• M2: 615,745 km (0.092 R)
• M3: 951,293 km (0.03 R)
• M4: 1,285,644 km (0.115 R)
• M5: 1,687,763 km (0.068 R)
• M6: 3,797,542 km (0.114 R)
• M7: 4,664,462 km (0.116 R)
• M8: 5,144,970 km (0.092 R)
• M9: 5,776,871 km (0.073 R)
• M10: 6,236,885 km (0.055 R)
• M11: 7,092,136 km (0.105 R)
• M12: 7,801,828 km (0.103 R)
• M13: 11,215,652 km (0.079 R)
• M14: 12,680,963 km (0.093 R)
• M15: 13,092,357 km (0.053 R)
• M16: 13,887,769 km (0.088 R)
• M17: 14,658,946 km (0.114 R)
• M18: 16,407,446 km (0.112 R)
• M19: 18,949,562 km (0.053 R)
• M20: 19,623,949 km (0.092 R)
• M21: 20,594,989 km (0.096 R)
• M22: 22,185,065 km (0.064 R)
• M23: 23,010,097 km (0.093 R)
• M24: 23,855,475 km (0.109 R)
• M25: 27,104,741 km (0.09 R)
• M26: 29,907,906 km (0.026 R)
• M27: 30,822,248 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.9

Radius: 12.9

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.51 AU - 10.97 AU

Year: 11625 Days

Day: 9.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,621,436 km

• M1: 160,519 km (0.059 R)
• M2: 904,469 km (0.106 R)
• M3: 1,316,162 km (0.104 R)
• M4: 2,063,403 km (0.119 R)
• M5: 2,847,296 km (0.044 R)
• M6: 4,524,588 km (0.114 R)
• M7: 6,266,954 km (0.062 R)
• M8: 6,826,600 km (0.077 R)
• M9: 7,954,717 km (0.064 R)
• M10: 10,468,560 km (0.085 R)
• M11: 11,028,654 km (0.099 R)
• M12: 12,641,469 km (0.037 R)
• M13: 16,330,403 km (0.086 R)
• M14: 18,581,851 km (0.095 R)
• M15: 19,993,905 km (0.118 R)
• M16: 24,172,922 km (0.089 R)
• M17: 27,192,106 km (0.109 R)
• M18: 31,597,464 km (0.108 R)
• M19: 38,138,032 km (0.087 R)
• M20: 39,600,352 km (0.074 R)
• M21: 41,237,700 km (0.103 R)
• M22: 45,380,664 km (0.042 R)
• M23: 47,022,052 km (0.064 R)
• M24: 47,476,530 km (0.11 R)
• M25: 50,899,479 km (0.102 R)
• M26: 51,539,010 km (0.104 R)
• M27: 54,984,997 km (0.089 R)
• M28: 57,193,660 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.6

Radius: 7.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 16.22 AU - 20.64 AU

Year: 28069 Days

Day: 18.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,621,436 km

• M1: 111,151 km (0.115 R)
• M2: 429,795 km (0.048 R)
• M3: 2,502,174 km (0.081 R)
• M4: 3,038,482 km (0.084 R)
• M5: 4,223,297 km (0.048 R)
• M6: 4,731,033 km (0.114 R)
• M7: 6,049,289 km (0.11 R)
• M8: 6,423,433 km (0.045 R)
• M9: 7,725,533 km (0.032 R)
• M10: 10,307,892 km (0.117 R)
• M11: 14,843,699 km (0.065 R)
• M12: 15,318,672 km (0.041 R)
• M13: 17,024,088 km (0.083 R)
• M14: 18,461,125 km (0.082 R)
• M15: 24,831,900 km (0.07 R)
• M16: 39,052,823 km (0.103 R)
• M17: 47,267,691 km (0.067 R)

Kuiper Belt

Range: 30.9 - 48.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 15,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit