🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.62 AU - 0.92 AU

Year: 257 Days

Day: 29.3 Hours

Environment

Temp: 100 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.91 AU - 1.15 AU

Year: 398 Days

Day: 14.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 45.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.83 AU - 2.71 AU

Year: 1302 Days

Day: 41.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.03 AU - 4.09 AU

Year: 3115 Days

Day: 23.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.6

Radius: 14

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.22 AU - 5.14 AU

Year: 3254 Days

Day: 8.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,826,218 km

• M1: 176,675 km (0.111 R)
• M2: 612,603 km (0.111 R)
• M3: 1,406,519 km (0.097 R)
• M4: 2,577,422 km (0.088 R)
• M5: 3,737,703 km (0.119 R)
• M6: 5,268,687 km (0.079 R)
• M7: 6,110,624 km (0.079 R)
• M8: 7,570,101 km (0.089 R)
• M9: 13,742,808 km (0.057 R)
• M10: 18,174,047 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.9

Radius: 14.2

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.26 AU - 8.52 AU

Year: 9254 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,826,218 km

• M1: 178,021 km (0.069 R)
• M2: 680,371 km (0.064 R)
• M3: 1,301,053 km (0.104 R)
• M4: 2,394,613 km (0.113 R)
• M5: 2,965,179 km (0.093 R)
• M6: 5,020,056 km (0.11 R)
• M7: 5,663,327 km (0.108 R)
• M8: 7,147,188 km (0.099 R)
• M9: 7,795,246 km (0.037 R)
• M10: 8,306,721 km (0.117 R)
• M11: 8,768,230 km (0.116 R)
• M12: 15,838,974 km (0.111 R)
• M13: 16,550,910 km (0.088 R)
• M14: 17,513,722 km (0.034 R)
• M15: 20,498,947 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754

Radius: 5

Gravity: 30.16 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 11.02 AU - 13.58 AU

Year: 16427 Days

Day: 19.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,826,218 km

• M1: 73,004 km (0.078 R)
• M2: 899,682 km (0.058 R)
• M3: 1,478,326 km (0.042 R)
• M4: 1,638,994 km (0.097 R)
• M5: 2,339,112 km (0.113 R)
• M6: 2,720,437 km (0.119 R)
• M7: 3,663,353 km (0.108 R)
• M8: 4,052,158 km (0.106 R)
• M9: 4,703,207 km (0.05 R)
• M10: 5,535,420 km (0.087 R)
• M11: 6,335,171 km (0.076 R)
• M12: 7,073,287 km (0.083 R)
• M13: 8,667,102 km (0.103 R)
• M14: 9,140,131 km (0.091 R)
• M15: 10,195,244 km (0.105 R)
• M16: 11,144,593 km (0.087 R)
• M17: 13,149,204 km (0.038 R)
• M18: 16,310,357 km (0.067 R)
• M19: 17,771,778 km (0.106 R)
• M20: 20,859,329 km (0.06 R)
• M21: 22,091,716 km (0.078 R)
• M22: 22,676,644 km (0.076 R)
• M23: 26,841,897 km (0.061 R)
• M24: 27,844,652 km (0.063 R)
• M25: 30,161,923 km (0.049 R)
• M26: 32,230,113 km (0.109 R)
• M27: 33,745,540 km (0.114 R)
• M28: 34,390,905 km (0.108 R)
• M29: 44,616,069 km (0.108 R)
• M30: 45,863,715 km (0.101 R)
• M31: 46,021,391 km (0.103 R)
• M32: 48,755,592 km (0.107 R)
• M33: 52,624,641 km (0.025 R)
• M34: 61,157,405 km (0.119 R)
• M35: 61,539,777 km (0.047 R)
• M36: 66,857,084 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.4

Radius: 7

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 18.58 AU - 19.26 AU

Year: 31338 Days

Day: 22.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,826,218 km

• M1: 89,160 km (0.026 R)
• M2: 425,307 km (0.095 R)
• M3: 1,025,194 km (0.052 R)
• M4: 2,766,962 km (0.072 R)
• M5: 4,359,880 km (0.116 R)
• M6: 6,393,963 km (0.062 R)
• M7: 11,866,552 km (0.099 R)
• M8: 17,076,747 km (0.097 R)
• M9: 17,340,338 km (0.09 R)
• M10: 22,668,565 km (0.117 R)
• M11: 23,633,172 km (0.029 R)
• M12: 25,415,182 km (0.105 R)
• M13: 26,222,113 km (0.119 R)
• M14: 30,386,768 km (0.113 R)
• M15: 50,182,456 km (0.05 R)
• M16: 52,001,716 km (0.108 R)
• M17: 55,003,397 km (0.099 R)
• M18: 64,697,638 km (0.104 R)
• M19: 81,031,332 km (0.102 R)
• M20: 83,784,831 km (0.105 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 20,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit