🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.5 AU - 0.56 AU

Year: 140 Days

Day: 47.2 Hours

Environment

Temp: 236 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.93 AU - 1.11 AU

Year: 373 Days

Day: 40.1 Hours

Environment

Temp: 40 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.98 AU - 1.62 AU

Year: 536 Days

Day: 34.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 13 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.83 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.22 AU - 2.5 AU

Year: 1311 Days

Day: 29.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.33 AU - 3.51 AU

Year: 2287 Days

Day: 15.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,840,228 km

• M1: 56,249 km (0.084 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.87 AU - 4.51 AU

Year: 3102 Days

Day: 19.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 48.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,840,228 km

• M1: 74,350 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.9

Radius: 10.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.68 AU - 9.76 AU

Year: 9312 Days

Day: 6 Hours

Environment

Temp: -159 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,840,228 km

• M1: 130,449 km (0.09 R)
• M2: 1,110,315 km (0.04 R)
• M3: 1,495,829 km (0.089 R)
• M4: 1,940,584 km (0.114 R)
• M5: 2,508,906 km (0.105 R)
• M6: 4,054,850 km (0.041 R)
• M7: 4,670,894 km (0.075 R)
• M8: 5,045,936 km (0.037 R)
• M9: 6,680,592 km (0.096 R)
• M10: 8,430,588 km (0.026 R)
• M11: 9,434,390 km (0.108 R)
• M12: 11,213,856 km (0.079 R)
• M13: 13,150,102 km (0.101 R)
• M14: 13,608,918 km (0.092 R)
• M15: 14,257,275 km (0.092 R)
• M16: 15,112,078 km (0.054 R)
• M17: 19,533,892 km (0.118 R)
• M18: 20,056,287 km (0.074 R)
• M19: 22,809,337 km (0.089 R)
• M20: 23,555,980 km (0.107 R)
• M21: 34,152,595 km (0.115 R)
• M22: 35,570,185 km (0.108 R)
• M23: 38,872,857 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.8

Radius: 12.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 11.25 AU - 12.83 AU

Year: 15109 Days

Day: 5.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,840,228 km

• M1: 154,983 km (0.117 R)
• M2: 864,227 km (0.094 R)
• M3: 1,272,330 km (0.048 R)
• M4: 1,958,087 km (0.062 R)
• M5: 2,900,553 km (0.064 R)
• M6: 3,291,452 km (0.113 R)
• M7: 8,680,416 km (0.059 R)
• M8: 10,371,471 km (0.113 R)
• M9: 19,118,009 km (0.032 R)
• M10: 20,505,081 km (0.107 R)
• M11: 22,934,550 km (0.092 R)
• M12: 27,434,155 km (0.084 R)
• M13: 32,150,378 km (0.098 R)
• M14: 49,492,361 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.3

Radius: 5.8

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 12.32 AU - 19.22 AU

Year: 22648 Days

Day: 21.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,840,228 km

• M1: 73,901 km (0.115 R)
• M2: 479,760 km (0.038 R)
• M3: 670,348 km (0.045 R)
• M4: 1,821,204 km (0.103 R)
• M5: 7,541,229 km (0.082 R)
• M6: 8,707,942 km (0.094 R)
• M7: 9,644,276 km (0.114 R)
• M8: 13,629,264 km (0.105 R)
• M9: 13,845,881 km (0.105 R)
• M10: 14,360,498 km (0.046 R)
• M11: 20,605,312 km (0.119 R)
• M12: 26,945,718 km (0.081 R)
• M13: 27,516,584 km (0.089 R)
• M14: 34,606,775 km (0.093 R)
• M15: 36,656,415 km (0.096 R)
• M16: 38,785,642 km (0.095 R)
• M17: 47,794,874 km (0.091 R)
• M18: 48,295,429 km (0.105 R)
• M19: 49,989,325 km (0.106 R)
• M20: 58,103,514 km (0.034 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 12,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit