🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.81 AU - 0.99 AU

Year: 320 Days

Day: 17.1 Hours

Environment

Temp: 18 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.39 AU - 3.07 AU

Year: 1690 Days

Day: 35.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.81 AU - 3.37 AU

Year: 2035 Days

Day: 18.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.5

Radius: 11.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.48 AU - 6.86 AU

Year: 5743 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,592,981 km

• M1: 146,008 km (0.119 R)
• M2: 713,881 km (0.096 R)
• M3: 2,739,735 km (0.057 R)
• M4: 3,354,283 km (0.116 R)
• M5: 4,018,498 km (0.12 R)
• M6: 4,457,867 km (0.108 R)
• M7: 4,952,587 km (0.109 R)
• M8: 6,379,152 km (0.046 R)
• M9: 7,217,798 km (0.108 R)
• M10: 8,292,958 km (0.1 R)
• M11: 9,149,406 km (0.062 R)
• M12: 10,177,742 km (0.101 R)
• M13: 11,404,145 km (0.104 R)
• M14: 12,904,612 km (0.044 R)
• M15: 15,522,425 km (0.107 R)
• M16: 17,580,891 km (0.107 R)
• M17: 18,992,497 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 13

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.29 AU - 8.61 AU

Year: 8400 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,592,981 km

• M1: 161,865 km (0.072 R)
• M2: 566,378 km (0.115 R)
• M3: 1,085,781 km (0.045 R)
• M4: 1,613,413 km (0.091 R)
• M5: 3,108,195 km (0.062 R)
• M6: 4,853,404 km (0.075 R)
• M7: 6,468,462 km (0.099 R)
• M8: 7,212,861 km (0.102 R)
• M9: 8,158,918 km (0.073 R)
• M10: 8,989,486 km (0.092 R)
• M11: 9,546,887 km (0.07 R)
• M12: 10,731,104 km (0.101 R)
• M13: 11,635,274 km (0.113 R)
• M14: 13,237,467 km (0.055 R)
• M15: 13,959,875 km (0.108 R)
• M16: 14,927,175 km (0.087 R)
• M17: 15,881,310 km (0.086 R)
• M18: 18,286,545 km (0.109 R)
• M19: 24,263,129 km (0.111 R)
• M20: 27,193,452 km (0.12 R)
• M21: 28,192,467 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.7

Radius: 8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 12.25 AU - 12.87 AU

Year: 16681 Days

Day: 21.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,592,981 km

• M1: 99,483 km (0.079 R)
• M2: 697,276 km (0.092 R)
• M3: 983,756 km (0.09 R)
• M4: 2,157,351 km (0.082 R)
• M5: 2,920,150 km (0.057 R)
• M6: 3,210,969 km (0.066 R)
• M7: 3,900,166 km (0.12 R)
• M8: 5,695,341 km (0.115 R)
• M9: 6,286,252 km (0.096 R)
• M10: 6,596,668 km (0.037 R)
• M11: 7,436,809 km (0.068 R)
• M12: 8,346,364 km (0.077 R)
• M13: 9,551,525 km (0.117 R)
• M14: 12,463,447 km (0.046 R)
• M15: 24,395,374 km (0.108 R)
• M16: 25,947,601 km (0.108 R)
• M17: 27,290,392 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.6

Radius: 5.6

Gravity: 17.08 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 15.94 AU - 20.7 AU

Year: 29384 Days

Day: 18.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,592,981 km

• M1: 84,672 km (0.063 R)
• M2: 393,891 km (0.116 R)
• M3: 1,336,807 km (0.101 R)
• M4: 1,773,333 km (0.073 R)
• M5: 2,766,364 km (0.064 R)
• M6: 4,881,678 km (0.109 R)
• M7: 5,439,379 km (0.089 R)
• M8: 9,171,247 km (0.116 R)
• M9: 9,956,187 km (0.1 R)
• M10: 14,166,021 km (0.118 R)
• M11: 14,642,939 km (0.073 R)
• M12: 20,515,852 km (0.056 R)
• M13: 21,958,574 km (0.101 R)
• M14: 26,451,297 km (0.099 R)
• M15: 29,549,469 km (0.114 R)
• M16: 31,924,485 km (0.077 R)
• M17: 33,158,218 km (0.1 R)
• M18: 36,900,858 km (0.119 R)
• M19: 75,737,812 km (0.082 R)
• M20: 82,687,829 km (0.063 R)
• M21: 83,714,220 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 14,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit