🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.58 AU - 0.88 AU

Year: 233 Days

Day: 33.9 Hours

Environment

Temp: 97 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 64,134,714 km

• M1: 82,578 km (0.085 R)
• M2: 365,168 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.66 AU - 0.88 AU

Year: 252 Days

Day: 40 Hours

Environment

Temp: 110 °C

Axial Tilt: 27.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,134,714 km

• M1: 384,317 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.86 AU - 1.2 AU

Year: 390 Days

Day: 12 Hours

Environment

Temp: 22 °C

Axial Tilt: 8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.94 AU - 1.42 AU

Year: 478 Days

Day: 47.9 Hours

Environment

Temp: -15 °C

Axial Tilt: 35.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 64,134,714 km

• M1: 14,960 km (0.046 R)
• M2: 340,335 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.52 AU - 4.14 AU

Year: 2265 Days

Day: 18.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,134,714 km

• M1: 788,530 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.2

Radius: 7.5

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 12.67 AU - 20.93 AU

Year: 25670 Days

Day: 15.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,134,714 km

• M1: 102,624 km (0.117 R)
• M2: 438,172 km (0.048 R)
• M3: 700,866 km (0.09 R)
• M4: 1,201,271 km (0.033 R)
• M5: 2,445,177 km (0.047 R)
• M6: 3,562,374 km (0.113 R)
• M7: 6,202,477 km (0.099 R)
• M8: 8,053,751 km (0.116 R)
• M9: 12,191,179 km (0.077 R)
• M10: 14,438,139 km (0.109 R)
• M11: 15,409,628 km (0.111 R)
• M12: 17,636,841 km (0.117 R)
• M13: 20,755,059 km (0.101 R)
• M14: 23,088,786 km (0.1 R)
• M15: 27,322,705 km (0.078 R)
• M16: 28,698,108 km (0.094 R)
• M17: 33,935,379 km (0.075 R)
• M18: 41,816,345 km (0.038 R)
• M19: 50,050,660 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.2

Radius: 4.5

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 14.4 AU - 21.5 AU

Year: 28350 Days

Day: 16.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,134,714 km

• M1: 55,950 km (0.079 R)
• M2: 215,720 km (0.054 R)
• M3: 365,168 km (0.043 R)
• M4: 513,569 km (0.096 R)
• M5: 720,912 km (0.108 R)
• M6: 960,718 km (0.068 R)
• M7: 1,746,555 km (0.095 R)
• M8: 2,529,999 km (0.054 R)
• M9: 2,987,021 km (0.064 R)
• M10: 3,744,883 km (0.088 R)
• M11: 5,232,934 km (0.106 R)
• M12: 5,557,262 km (0.066 R)
• M13: 7,427,085 km (0.098 R)
• M14: 10,728,860 km (0.12 R)
• M15: 15,987,524 km (0.086 R)
• M16: 18,746,857 km (0.054 R)
• M17: 18,997,284 km (0.071 R)
• M18: 21,807,779 km (0.115 R)
• M19: 27,371,324 km (0.082 R)
• M20: 27,801,418 km (0.086 R)
• M21: 32,593,786 km (0.085 R)
• M22: 35,437,791 km (0.092 R)
• M23: 36,724,183 km (0.086 R)
• M24: 42,468,143 km (0.118 R)
• M25: 48,468,663 km (0.084 R)
• M26: 51,506,996 km (0.084 R)
• M27: 56,039,362 km (0.094 R)
• M28: 56,558,766 km (0.108 R)
• M29: 56,906,880 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.3

Radius: 6.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 14.72 AU - 21.84 AU

Year: 29135 Days

Day: 17.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,134,714 km

• M1: 89,160 km (0.115 R)
• M2: 1,488,200 km (0.063 R)
• M3: 2,084,048 km (0.076 R)
• M4: 3,379,416 km (0.03 R)
• M5: 5,318,204 km (0.107 R)
• M6: 6,115,561 km (0.085 R)
• M7: 7,850,896 km (0.073 R)
• M8: 8,233,717 km (0.075 R)
• M9: 16,251,265 km (0.114 R)
• M10: 19,089,137 km (0.117 R)
• M11: 20,489,972 km (0.075 R)
• M12: 21,399,527 km (0.073 R)
• M13: 23,790,849 km (0.036 R)
• M14: 25,308,070 km (0.071 R)
• M15: 25,515,114 km (0.032 R)
• M16: 28,870,893 km (0.1 R)
• M17: 31,902,943 km (0.041 R)
• M18: 36,048,599 km (0.107 R)
• M19: 36,706,530 km (0.095 R)
• M20: 44,782,123 km (0.108 R)
• M21: 45,389,640 km (0.101 R)
• M22: 60,183,523 km (0.111 R)
• M23: 63,369,209 km (0.057 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: 531 - 18,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit