🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.55 AU - 0.77 AU

Year: 200 Days

Day: 20.3 Hours

Environment

Temp: 137 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.82 AU - 1.28 AU

Year: 401 Days

Day: 43 Hours

Environment

Temp: 2 °C

Axial Tilt: 24 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.17 AU - 1.25 AU

Year: 496 Days

Day: 44.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 24.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 11.1

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.51 AU - 6.63 AU

Year: 4900 Days

Day: 7.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,998,570 km

• M1: 138,976 km (0.101 R)
• M2: 594,652 km (0.085 R)
• M3: 1,089,072 km (0.112 R)
• M4: 1,549,834 km (0.058 R)
• M5: 2,427,225 km (0.048 R)
• M6: 2,908,332 km (0.109 R)
• M7: 3,319,726 km (0.114 R)
• M8: 4,106,910 km (0.059 R)
• M9: 5,937,839 km (0.116 R)
• M10: 7,319,674 km (0.114 R)
• M11: 8,051,657 km (0.117 R)
• M12: 10,876,214 km (0.074 R)
• M13: 11,302,718 km (0.096 R)
• M14: 11,918,911 km (0.046 R)
• M15: 12,326,565 km (0.053 R)
• M16: 12,743,644 km (0.089 R)
• M17: 15,932,323 km (0.036 R)
• M18: 17,046,827 km (0.047 R)
• M19: 17,740,063 km (0.098 R)
• M20: 18,512,138 km (0.1 R)
• M21: 18,937,146 km (0.051 R)
• M22: 22,437,437 km (0.08 R)
• M23: 23,979,641 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.4

Radius: 9.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.75 AU - 5.77 AU

Year: 5153 Days

Day: 8.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,998,570 km

• M1: 123,119 km (0.11 R)
• M2: 469,139 km (0.114 R)
• M3: 961,765 km (0.053 R)
• M4: 1,320,949 km (0.078 R)
• M5: 1,684,771 km (0.068 R)
• M6: 2,490,356 km (0.079 R)
• M7: 2,839,068 km (0.037 R)
• M8: 4,338,189 km (0.029 R)
• M9: 5,259,861 km (0.093 R)
• M10: 9,387,416 km (0.118 R)
• M11: 10,491,448 km (0.096 R)
• M12: 12,377,877 km (0.082 R)
• M13: 14,062,499 km (0.077 R)
• M14: 15,231,008 km (0.119 R)
• M15: 18,620,297 km (0.086 R)
• M16: 20,291,156 km (0.099 R)
• M17: 21,231,079 km (0.063 R)
• M18: 21,573,659 km (0.076 R)
• M19: 22,981,374 km (0.117 R)
• M20: 23,342,653 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 8.4

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.79 AU - 8.83 AU

Year: 7368 Days

Day: 12.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 127.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,998,570 km

• M1: 105,018 km (0.116 R)
• M2: 387,458 km (0.096 R)
• M3: 1,039,855 km (0.081 R)
• M4: 1,354,160 km (0.079 R)
• M5: 2,064,750 km (0.09 R)
• M6: 2,386,086 km (0.096 R)
• M7: 3,109,093 km (0.076 R)
• M8: 4,553,759 km (0.051 R)
• M9: 6,158,496 km (0.065 R)
• M10: 7,163,644 km (0.114 R)
• M11: 7,705,338 km (0.1 R)
• M12: 8,697,471 km (0.035 R)
• M13: 9,269,084 km (0.105 R)
• M14: 12,899,226 km (0.042 R)
• M15: 16,770,221 km (0.11 R)
• M16: 17,586,277 km (0.088 R)
• M17: 18,500,021 km (0.111 R)
• M18: 21,668,803 km (0.115 R)
• M19: 21,988,194 km (0.119 R)
• M20: 24,658,217 km (0.083 R)
• M21: 25,094,145 km (0.116 R)
• M22: 28,672,077 km (0.09 R)
• M23: 29,348,409 km (0.112 R)
• M24: 32,785,570 km (0.071 R)
• M25: 34,167,854 km (0.069 R)
• M26: 37,965,845 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.2

Radius: 7

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 13.31 AU - 14.97 AU

Year: 19821 Days

Day: 24.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,998,570 km

• M1: 87,066 km (0.115 R)
• M2: 345,122 km (0.057 R)
• M3: 844,031 km (0.099 R)
• M4: 1,218,923 km (0.115 R)
• M5: 1,478,027 km (0.09 R)
• M6: 1,830,180 km (0.12 R)
• M7: 2,348,088 km (0.062 R)
• M8: 4,219,109 km (0.109 R)
• M9: 10,513,290 km (0.109 R)
• M10: 11,020,726 km (0.036 R)
• M11: 13,731,589 km (0.113 R)
• M12: 21,821,841 km (0.112 R)
• M13: 24,801,083 km (0.114 R)
• M14: 31,421,986 km (0.071 R)
• M15: 32,076,626 km (0.11 R)
• M16: 36,196,701 km (0.104 R)
• M17: 41,121,164 km (0.1 R)
• M18: 49,404,697 km (0.094 R)
• M19: 52,639,601 km (0.09 R)
• M20: 63,810,822 km (0.099 R)
• M21: 75,524,335 km (0.036 R)
• M22: 80,536,014 km (0.041 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 10,804 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit