🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.44 AU - 0.62 AU

Year: 148 Days

Day: 21.9 Hours

Environment

Temp: 188 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.57 AU - 0.75 AU

Year: 205 Days

Day: 26.7 Hours

Environment

Temp: 98 °C

Axial Tilt: 150.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.88 AU - 1.13 AU

Year: 383 Days

Day: 43.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 15.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.83 AU - 1.27 AU

Year: 412 Days

Day: 33.6 Hours

Environment

Temp: -8 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 58,968,780 km

• M1: 9,275 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.99 AU - 1.49 AU

Year: 529 Days

Day: 42.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.7 AU - 2.44 AU

Year: 1140 Days

Day: 34.4 Hours

Environment

Temp: -77 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.19 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 14.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.8 AU - 4.8 AU

Year: 3414 Days

Day: 12 Hours

Environment

Temp: -135 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,968,780 km

• M1: 175,329 km (0.061 R)
• M2: 737,368 km (0.08 R)
• M3: 1,375,552 km (0.084 R)
• M4: 2,731,807 km (0.104 R)
• M5: 3,187,033 km (0.09 R)
• M6: 4,072,353 km (0.083 R)
• M7: 5,769,242 km (0.096 R)
• M8: 6,827,647 km (0.066 R)
• M9: 9,140,879 km (0.087 R)
• M10: 9,808,983 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.6

Radius: 4.2

Gravity: 45.05 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 11.25 AU - 12.89 AU

Year: 16056 Days

Day: 21.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,968,780 km

• M1: 60,288 km (0.1 R)
• M2: 280,496 km (0.087 R)
• M3: 461,360 km (0.11 R)
• M4: 620,981 km (0.09 R)
• M5: 994,227 km (0.084 R)
• M6: 1,471,744 km (0.104 R)
• M7: 1,632,861 km (0.059 R)
• M8: 2,693,210 km (0.098 R)
• M9: 4,114,091 km (0.099 R)
• M10: 4,272,814 km (0.091 R)
• M11: 4,602,378 km (0.108 R)
• M12: 4,842,932 km (0.069 R)
• M13: 5,424,568 km (0.061 R)
• M14: 5,810,830 km (0.099 R)
• M15: 6,901,099 km (0.049 R)
• M16: 7,876,029 km (0.044 R)
• M17: 9,477,624 km (0.114 R)
• M18: 10,917,952 km (0.047 R)
• M19: 11,532,799 km (0.11 R)
• M20: 12,105,759 km (0.101 R)
• M21: 13,867,124 km (0.036 R)
• M22: 14,224,364 km (0.11 R)
• M23: 23,017,876 km (0.103 R)
• M24: 24,854,190 km (0.1 R)
• M25: 35,250,195 km (0.062 R)
• M26: 36,318,174 km (0.106 R)
• M27: 42,429,696 km (0.075 R)
• M28: 45,023,424 km (0.103 R)
• M29: 48,208,063 km (0.11 R)
• M30: 49,357,125 km (0.032 R)
• M31: 50,692,734 km (0.11 R)
• M32: 54,312,554 km (0.049 R)
• M33: 58,470,777 km (0.107 R)
• M34: 58,656,278 km (0.06 R)
• M35: 58,842,078 km (0.057 R)
• M36: 59,402,023 km (0.118 R)
• M37: 59,965,558 km (0.077 R)
• M38: 64,998,779 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.2

Radius: 5

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 14.86 AU - 17.1 AU

Year: 24459 Days

Day: 15.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,968,780 km

• M1: 64,327 km (0.104 R)
• M2: 526,435 km (0.06 R)
• M3: 1,004,849 km (0.106 R)
• M4: 1,300,604 km (0.034 R)
• M5: 2,065,797 km (0.083 R)
• M6: 2,675,408 km (0.089 R)
• M7: 2,926,583 km (0.068 R)
• M8: 3,665,148 km (0.057 R)
• M9: 3,975,414 km (0.06 R)
• M10: 4,648,305 km (0.068 R)
• M11: 5,870,968 km (0.075 R)
• M12: 7,034,989 km (0.058 R)
• M13: 7,337,476 km (0.103 R)
• M14: 8,061,530 km (0.107 R)
• M15: 9,916,394 km (0.083 R)
• M16: 10,856,766 km (0.079 R)
• M17: 13,301,794 km (0.112 R)
• M18: 15,003,021 km (0.086 R)
• M19: 15,504,174 km (0.08 R)
• M20: 17,699,822 km (0.054 R)
• M21: 22,883,837 km (0.105 R)
• M22: 23,356,566 km (0.104 R)
• M23: 24,913,431 km (0.067 R)
• M24: 25,212,776 km (0.033 R)
• M25: 38,452,487 km (0.034 R)
• M26: 40,893,476 km (0.097 R)
• M27: 49,459,001 km (0.1 R)
• M28: 57,046,156 km (0.093 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 11,417 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit