🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.61 AU - 0.95 AU

Year: 261 Days

Day: 35.4 Hours

Environment

Temp: 75 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.75 AU - 1.09 AU

Year: 334 Days

Day: 25.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 6.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.73 AU - 1.15 AU

Year: 345 Days

Day: 43.5 Hours

Environment

Temp: 35 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.9 AU - 1.24 AU

Year: 419 Days

Day: 16.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 42.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.6 AU - 4 AU

Year: 2806 Days

Day: 47.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,658,527 km

• M1: 182,061 km (0.107 R)

Asteroid Belt

Center: 5.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.6

Radius: 12.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.62 AU - 8.54 AU

Year: 7904 Days

Day: 14.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,658,527 km

• M1: 161,267 km (0.084 R)
• M2: 1,074,562 km (0.069 R)
• M3: 1,769,593 km (0.047 R)
• M4: 2,630,679 km (0.107 R)
• M5: 3,981,697 km (0.063 R)
• M6: 4,382,769 km (0.114 R)
• M7: 4,899,929 km (0.109 R)
• M8: 5,489,643 km (0.107 R)
• M9: 5,920,186 km (0.083 R)
• M10: 6,774,689 km (0.091 R)
• M11: 8,208,585 km (0.03 R)
• M12: 8,728,886 km (0.073 R)
• M13: 9,932,102 km (0.117 R)
• M14: 11,034,189 km (0.027 R)
• M15: 15,408,132 km (0.095 R)
• M16: 18,450,354 km (0.041 R)
• M17: 20,820,583 km (0.109 R)
• M18: 23,215,495 km (0.069 R)
• M19: 24,791,210 km (0.114 R)
• M20: 25,332,006 km (0.111 R)
• M21: 28,842,469 km (0.113 R)
• M22: 36,464,032 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.9

Radius: 12.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.23 AU - 9.71 AU

Year: 11038 Days

Day: 14 Hours

Environment

Temp: -171 °C

Axial Tilt: 96.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,658,527 km

• M1: 160,519 km (0.081 R)
• M2: 1,213,388 km (0.057 R)
• M3: 1,709,006 km (0.105 R)
• M4: 2,752,152 km (0.055 R)
• M5: 3,260,336 km (0.107 R)
• M6: 3,778,842 km (0.07 R)
• M7: 4,827,224 km (0.072 R)
• M8: 5,953,546 km (0.097 R)
• M9: 6,427,921 km (0.099 R)
• M10: 7,006,715 km (0.12 R)
• M11: 9,239,164 km (0.054 R)
• M12: 9,776,969 km (0.098 R)
• M13: 13,640,932 km (0.083 R)
• M14: 14,210,451 km (0.07 R)
• M15: 15,945,338 km (0.092 R)
• M16: 17,446,552 km (0.086 R)
• M17: 18,575,268 km (0.115 R)
• M18: 22,340,647 km (0.093 R)
• M19: 23,132,768 km (0.055 R)
• M20: 29,315,498 km (0.077 R)
• M21: 31,343,895 km (0.091 R)
• M22: 33,350,302 km (0.083 R)
• M23: 37,371,493 km (0.047 R)
• M24: 38,113,349 km (0.056 R)
• M25: 40,139,203 km (0.074 R)
• M26: 41,705,194 km (0.095 R)
• M27: 45,797,743 km (0.053 R)
• M28: 46,362,923 km (0.107 R)
• M29: 47,796,071 km (0.1 R)
• M30: 48,670,171 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 9.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 9.1 AU - 13.14 AU

Year: 14044 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,658,527 km

• M1: 123,119 km (0.118 R)
• M2: 431,291 km (0.095 R)
• M3: 883,375 km (0.11 R)
• M4: 1,209,499 km (0.104 R)
• M5: 1,643,632 km (0.093 R)
• M6: 2,327,593 km (0.045 R)
• M7: 2,735,397 km (0.075 R)
• M8: 5,152,450 km (0.103 R)
• M9: 5,600,346 km (0.042 R)
• M10: 6,304,204 km (0.106 R)
• M11: 6,747,163 km (0.029 R)
• M12: 7,394,772 km (0.074 R)
• M13: 7,849,101 km (0.115 R)
• M14: 9,024,342 km (0.047 R)
• M15: 10,500,125 km (0.074 R)
• M16: 12,339,281 km (0.091 R)
• M17: 13,980,519 km (0.079 R)
• M18: 16,644,259 km (0.115 R)
• M19: 16,966,942 km (0.032 R)
• M20: 18,712,599 km (0.114 R)
• M21: 22,011,980 km (0.117 R)
• M22: 24,003,128 km (0.117 R)
• M23: 27,794,387 km (0.039 R)
• M24: 28,616,277 km (0.085 R)
• M25: 32,667,238 km (0.08 R)
• M26: 34,098,291 km (0.056 R)
• M27: 34,410,203 km (0.071 R)
• M28: 34,724,209 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.4

Radius: 6.6

Gravity: 13.99 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 13.61 AU - 20.11 AU

Year: 26220 Days

Day: 15.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,658,527 km

• M1: 82,129 km (0.099 R)
• M2: 512,373 km (0.055 R)
• M3: 916,586 km (0.097 R)
• M4: 1,262,756 km (0.082 R)
• M5: 2,566,800 km (0.067 R)
• M6: 2,793,441 km (0.116 R)
• M7: 3,678,312 km (0.075 R)
• M8: 4,000,097 km (0.113 R)
• M9: 4,411,043 km (0.101 R)
• M10: 4,963,807 km (0.068 R)
• M11: 8,062,428 km (0.066 R)
• M12: 10,073,173 km (0.05 R)
• M13: 10,768,504 km (0.118 R)
• M14: 12,395,979 km (0.117 R)
• M15: 13,268,284 km (0.105 R)
• M16: 13,568,078 km (0.094 R)
• M17: 15,216,048 km (0.053 R)
• M18: 17,435,781 km (0.108 R)
• M19: 20,353,837 km (0.075 R)
• M20: 21,360,631 km (0.112 R)
• M21: 23,582,010 km (0.097 R)
• M22: 26,069,673 km (0.106 R)
• M23: 26,896,351 km (0.107 R)
• M24: 28,354,332 km (0.06 R)
• M25: 31,559,316 km (0.106 R)
• M26: 35,426,421 km (0.115 R)
• M27: 36,440,396 km (0.051 R)
• M28: 42,933,542 km (0.119 R)
• M29: 43,754,535 km (0.047 R)
• M30: 44,921,249 km (0.057 R)
• M31: 49,436,711 km (0.087 R)
• M32: 50,884,669 km (0.098 R)
• M33: 52,360,601 km (0.062 R)
• M34: 55,785,644 km (0.044 R)
• M35: 64,995,338 km (0.052 R)
• M36: 66,513,308 km (0.053 R)
• M37: 69,394,712 km (0.08 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 15,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit