🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.72 AU - 0.96 AU

Year: 284 Days

Day: 12.7 Hours

Environment

Temp: 103 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,966,369 km

• M1: 35,604 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.95 AU - 1.07 AU

Year: 375 Days

Day: 29.8 Hours

Environment

Temp: 34 °C

Axial Tilt: 46.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.2 AU - 1.36 AU

Year: 534 Days

Day: 36.2 Hours

Environment

Temp: 7 °C

Axial Tilt: 3.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 81,966,369 km

• M1: 24,534 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.31 AU - 1.85 AU

Year: 733 Days

Day: 29.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,966,369 km

• M1: 378,632 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.51 AU - 1.79 AU

Year: 782 Days

Day: 12.2 Hours

Environment

Temp: -53 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.2 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.16 AU - 3.32 AU

Year: 1673 Days

Day: 31.9 Hours

Environment

Temp: -99 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,966,369 km

• M1: 788,680 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.9

Radius: 4.7

Gravity: 14.57 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 12.91 AU - 16.81 AU

Year: 21135 Days

Day: 23.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,966,369 km

• M1: 58,493 km (0.109 R)
• M2: 253,269 km (0.061 R)
• M3: 492,476 km (0.12 R)
• M4: 693,685 km (0.083 R)
• M5: 885,021 km (0.044 R)
• M6: 1,867,430 km (0.095 R)
• M7: 2,105,590 km (0.104 R)
• M8: 2,405,085 km (0.083 R)
• M9: 3,039,978 km (0.089 R)
• M10: 3,189,427 km (0.032 R)
• M11: 3,396,470 km (0.109 R)
• M12: 3,751,765 km (0.099 R)
• M13: 4,798,651 km (0.089 R)
• M14: 5,036,212 km (0.119 R)
• M15: 5,245,949 km (0.072 R)
• M16: 6,797,129 km (0.106 R)
• M17: 8,049,263 km (0.106 R)
• M18: 9,929,559 km (0.069 R)
• M19: 10,148,869 km (0.109 R)
• M20: 10,371,471 km (0.027 R)
• M21: 11,000,380 km (0.12 R)
• M22: 11,654,273 km (0.071 R)
• M23: 14,044,398 km (0.042 R)
• M24: 14,884,689 km (0.102 R)
• M25: 15,981,541 km (0.081 R)
• M26: 17,131,350 km (0.104 R)
• M27: 22,659,290 km (0.113 R)
• M28: 23,231,353 km (0.102 R)
• M29: 24,703,844 km (0.076 R)
• M30: 28,269,510 km (0.082 R)
• M31: 34,990,942 km (0.075 R)
• M32: 35,499,126 km (0.104 R)
• M33: 37,979,907 km (0.082 R)
• M34: 38,381,877 km (0.099 R)
• M35: 39,058,209 km (0.105 R)
• M36: 42,128,406 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.1

Radius: 7.3

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 14.87 AU - 19.31 AU

Year: 26067 Days

Day: 19.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,966,369 km

• M1: 90,806 km (0.086 R)
• M2: 500,106 km (0.102 R)
• M3: 1,339,649 km (0.115 R)
• M4: 5,942,775 km (0.108 R)
• M5: 8,112,244 km (0.101 R)
• M6: 10,510,597 km (0.062 R)
• M7: 11,339,519 km (0.06 R)
• M8: 11,603,110 km (0.073 R)
• M9: 12,280,190 km (0.077 R)
• M10: 14,624,089 km (0.071 R)
• M11: 16,231,519 km (0.111 R)
• M12: 20,563,574 km (0.056 R)
• M13: 21,154,037 km (0.089 R)
• M14: 21,553,912 km (0.057 R)
• M15: 26,177,383 km (0.101 R)
• M16: 27,222,175 km (0.078 R)
• M17: 44,413,663 km (0.089 R)
• M18: 54,378,826 km (0.11 R)
• M19: 63,431,442 km (0.048 R)
• M20: 64,054,517 km (0.039 R)
• M21: 66,801,433 km (0.074 R)
• M22: 74,125,296 km (0.042 R)
• M23: 75,511,919 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 13,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit