🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.4 AU - 0.6 AU

Year: 129 Days

Day: 36.5 Hours

Environment

Temp: 227 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,757,102 km

• M1: 140,173 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.65 AU - 0.81 AU

Year: 228 Days

Day: 14.6 Hours

Environment

Temp: 133 °C

Axial Tilt: 99.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.73 AU - 0.81 AU

Year: 247 Days

Day: 45.9 Hours

Environment

Temp: 194 °C

Axial Tilt: 37.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.4 AU - 1.98 AU

Year: 802 Days

Day: 14.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.02 AU - 2.92 AU

Year: 1418 Days

Day: 45.3 Hours

Environment

Temp: -94 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.05 AU - 4.79 AU

Year: 3394 Days

Day: 23.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,757,102 km

• M1: 2,046,499 km (0.105 R)

Asteroid Belt

Center: 5.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.6

Radius: 14

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.11 AU - 7.71 AU

Year: 7367 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,757,102 km

• M1: 174,132 km (0.113 R)
• M2: 625,319 km (0.113 R)
• M3: 1,089,820 km (0.118 R)
• M4: 1,563,597 km (0.073 R)
• M5: 2,010,147 km (0.077 R)
• M6: 3,489,670 km (0.086 R)
• M7: 4,094,045 km (0.101 R)
• M8: 4,686,153 km (0.082 R)
• M9: 9,567,981 km (0.088 R)
• M10: 10,289,042 km (0.053 R)
• M11: 10,758,032 km (0.1 R)
• M12: 13,766,146 km (0.063 R)
• M13: 14,981,778 km (0.098 R)
• M14: 16,204,890 km (0.104 R)
• M15: 22,310,877 km (0.081 R)
• M16: 24,232,461 km (0.09 R)
• M17: 24,980,900 km (0.111 R)
• M18: 25,488,186 km (0.102 R)
• M19: 27,587,044 km (0.087 R)
• M20: 29,141,815 km (0.093 R)
• M21: 33,130,992 km (0.1 R)
• M22: 34,052,963 km (0.055 R)
• M23: 35,521,266 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.7

Radius: 5.8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 13.17 AU - 18.31 AU

Year: 22809 Days

Day: 19.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,757,102 km

• M1: 97,388 km (0.109 R)
• M2: 473,627 km (0.109 R)
• M3: 737,368 km (0.118 R)
• M4: 5,323,590 km (0.041 R)
• M5: 5,979,277 km (0.04 R)
• M6: 9,712,642 km (0.042 R)
• M7: 11,085,352 km (0.102 R)
• M8: 11,609,692 km (0.05 R)
• M9: 18,676,546 km (0.118 R)
• M10: 22,215,733 km (0.109 R)
• M11: 24,579,678 km (0.099 R)
• M12: 27,737,091 km (0.115 R)
• M13: 30,247,343 km (0.045 R)
• M14: 39,344,988 km (0.119 R)
• M15: 43,500,069 km (0.103 R)
• M16: 43,786,998 km (0.116 R)
• M17: 44,947,578 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.7

Radius: 3.4

Gravity: 35.96 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 15.49 AU - 17.53 AU

Year: 24503 Days

Day: 21.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 118.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,757,102 km

• M1: 42,635 km (0.119 R)
• M2: 179,517 km (0.061 R)
• M3: 398,080 km (0.106 R)
• M4: 754,572 km (0.117 R)
• M5: 2,619,758 km (0.092 R)
• M6: 4,055,299 km (0.1 R)
• M7: 7,358,719 km (0.117 R)
• M8: 13,693,740 km (0.048 R)
• M9: 15,413,817 km (0.079 R)
• M10: 22,213,040 km (0.118 R)
• M11: 30,892,559 km (0.085 R)
• M12: 31,515,335 km (0.053 R)
• M13: 32,657,514 km (0.076 R)
• M14: 40,686,282 km (0.111 R)
• M15: 43,733,292 km (0.112 R)
• M16: 49,594,985 km (0.076 R)
• M17: 49,935,171 km (0.046 R)
• M18: 57,630,485 km (0.075 R)
• M19: 58,953,529 km (0.064 R)
• M20: 62,448,584 km (0.112 R)
• M21: 70,275,096 km (0.097 R)
• M22: 71,567,771 km (0.12 R)
• M23: 73,315,672 km (0.084 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 10,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit