🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.6 AU - 0.9 AU

Year: 232 Days

Day: 44 Hours

Environment

Temp: 164 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.7 AU - 2.64 AU

Year: 1139 Days

Day: 16.4 Hours

Environment

Temp: -63 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 111,958,375 km

• M1: 1,570,179 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.23 AU - 2.65 AU

Year: 1359 Days

Day: 13.7 Hours

Environment

Temp: -87 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.97 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.07 AU - 3.91 AU

Year: 2324 Days

Day: 16.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 111,958,375 km

• M1: 432,338 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.52 AU - 3.82 AU

Year: 2506 Days

Day: 40.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.87 AU - 4.69 AU

Year: 2620 Days

Day: 43.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 111,958,375 km

• M1: 25,880 km (0.051 R)

Asteroid Belt

Center: 5.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.4

Radius: 12.8

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.32 AU - 7.7 AU

Year: 6616 Days

Day: 13.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 111,958,375 km

• M1: 159,920 km (0.086 R)
• M2: 677,978 km (0.07 R)
• M3: 3,016,043 km (0.116 R)
• M4: 4,230,029 km (0.041 R)
• M5: 5,337,502 km (0.084 R)
• M6: 5,976,136 km (0.109 R)
• M7: 7,837,432 km (0.049 R)
• M8: 12,288,717 km (0.101 R)
• M9: 15,836,431 km (0.05 R)
• M10: 16,887,056 km (0.08 R)
• M11: 17,429,498 km (0.085 R)
• M12: 19,940,947 km (0.055 R)
• M13: 20,394,528 km (0.083 R)
• M14: 21,876,594 km (0.074 R)
• M15: 23,765,118 km (0.089 R)
• M16: 25,671,294 km (0.112 R)
• M17: 27,120,149 km (0.12 R)
• M18: 29,982,704 km (0.057 R)
• M19: 34,863,335 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.4

Radius: 8.5

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.92 AU - 9.6 AU

Year: 9242 Days

Day: 13.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 111,958,375 km

• M1: 105,915 km (0.054 R)
• M2: 547,379 km (0.112 R)
• M3: 1,019,809 km (0.089 R)
• M4: 3,409,934 km (0.114 R)
• M5: 5,424,120 km (0.084 R)
• M6: 7,845,062 km (0.088 R)
• M7: 8,329,609 km (0.118 R)
• M8: 12,566,969 km (0.108 R)
• M9: 13,230,436 km (0.116 R)
• M10: 13,513,624 km (0.105 R)
• M11: 20,743,690 km (0.051 R)
• M12: 23,356,865 km (0.035 R)
• M13: 28,093,583 km (0.106 R)
• M14: 31,282,710 km (0.065 R)
• M15: 36,451,616 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.8

Radius: 6.9

Gravity: 18.73 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 15.39 AU - 24.11 AU

Year: 31286 Days

Day: 20 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 111,958,375 km

• M1: 85,869 km (0.12 R)
• M2: 749,186 km (0.068 R)
• M3: 1,394,402 km (0.107 R)
• M4: 1,854,864 km (0.061 R)
• M5: 2,675,558 km (0.049 R)
• M6: 4,405,657 km (0.037 R)
• M7: 5,006,742 km (0.108 R)
• M8: 5,661,083 km (0.118 R)
• M9: 9,486,151 km (0.118 R)
• M10: 11,553,144 km (0.094 R)
• M11: 15,013,343 km (0.025 R)
• M12: 24,982,545 km (0.117 R)
• M13: 25,603,825 km (0.115 R)
• M14: 25,981,560 km (0.07 R)
• M15: 34,035,161 km (0.077 R)
• M16: 34,798,559 km (0.026 R)
• M17: 35,107,180 km (0.103 R)
• M18: 48,423,784 km (0.102 R)
• M19: 50,170,787 km (0.089 R)
• M20: 51,959,380 km (0.032 R)
• M21: 52,564,952 km (0.091 R)
• M22: 73,500,426 km (0.071 R)
• M23: 79,218,655 km (0.112 R)
• M24: 83,007,670 km (0.104 R)
• M25: 95,700,002 km (0.078 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 13,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit