🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.46 AU - 0.54 AU

Year: 129 Days

Day: 37.2 Hours

Environment

Temp: 222 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 68,199,164 km

• M1: 169,794 km (0.109 R)
• M2: 205,996 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.97 AU - 1.01 AU

Year: 360 Days

Day: 35.1 Hours

Environment

Temp: 26 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.14 AU - 1.48 AU

Year: 548 Days

Day: 27.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.18 AU - 3.04 AU

Year: 1540 Days

Day: 22.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,199,164 km

• M1: 1,043,296 km (0.053 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.16 AU - 3.48 AU

Year: 2210 Days

Day: 46.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.39 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.5

Radius: 13.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 9.16 AU - 13.76 AU

Year: 14170 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,199,164 km

• M1: 171,888 km (0.111 R)
• M2: 1,276,818 km (0.083 R)
• M3: 1,938,639 km (0.113 R)
• M4: 6,123,340 km (0.038 R)
• M5: 6,592,329 km (0.118 R)
• M6: 10,889,379 km (0.106 R)
• M7: 13,286,385 km (0.076 R)
• M8: 15,024,862 km (0.098 R)
• M9: 22,223,960 km (0.093 R)
• M10: 24,396,122 km (0.094 R)
• M11: 33,946,150 km (0.056 R)
• M12: 35,536,226 km (0.061 R)
• M13: 40,102,252 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.7

Radius: 4.5

Gravity: 30.95 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 11.47 AU - 14.89 AU

Year: 17477 Days

Day: 18.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,199,164 km

• M1: 58,642 km (0.117 R)
• M2: 211,083 km (0.086 R)
• M3: 405,261 km (0.101 R)
• M4: 563,834 km (0.025 R)
• M5: 909,256 km (0.096 R)
• M6: 1,097,450 km (0.095 R)
• M7: 1,568,833 km (0.064 R)
• M8: 1,951,205 km (0.098 R)
• M9: 2,436,351 km (0.12 R)
• M10: 2,850,288 km (0.116 R)
• M11: 3,309,404 km (0.041 R)
• M12: 4,308,867 km (0.115 R)
• M13: 4,471,181 km (0.059 R)
• M14: 5,802,303 km (0.107 R)
• M15: 6,494,492 km (0.111 R)
• M16: 8,387,504 km (0.048 R)
• M17: 9,432,146 km (0.079 R)
• M18: 10,042,355 km (0.07 R)
• M19: 17,165,907 km (0.107 R)
• M20: 20,254,355 km (0.117 R)
• M21: 23,593,230 km (0.119 R)
• M22: 23,895,417 km (0.069 R)
• M23: 24,921,360 km (0.077 R)
• M24: 30,375,698 km (0.094 R)
• M25: 31,945,728 km (0.053 R)
• M26: 36,440,097 km (0.075 R)
• M27: 39,329,280 km (0.041 R)
• M28: 39,754,138 km (0.098 R)
• M29: 43,113,358 km (0.116 R)
• M30: 44,019,772 km (0.103 R)
• M31: 44,324,802 km (0.112 R)
• M32: 45,714,566 km (0.098 R)
• M33: 47,452,145 km (0.078 R)
• M34: 47,612,365 km (0.098 R)
• M35: 53,967,581 km (0.118 R)
• M36: 61,433,562 km (0.119 R)
• M37: 65,709,668 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.9

Radius: 6.8

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 13.6 AU - 19.18 AU

Year: 24236 Days

Day: 22.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,199,164 km

• M1: 84,672 km (0.059 R)
• M2: 358,436 km (0.119 R)
• M3: 597,494 km (0.076 R)
• M4: 1,002,904 km (0.085 R)
• M5: 1,612,067 km (0.116 R)
• M6: 2,554,683 km (0.115 R)
• M7: 3,289,059 km (0.045 R)
• M8: 3,619,371 km (0.072 R)
• M9: 3,911,386 km (0.06 R)
• M10: 4,917,880 km (0.058 R)
• M11: 5,462,417 km (0.115 R)
• M12: 6,168,219 km (0.043 R)
• M13: 6,628,532 km (0.114 R)
• M14: 8,049,263 km (0.049 R)
• M15: 8,547,873 km (0.086 R)
• M16: 10,456,592 km (0.105 R)
• M17: 11,110,933 km (0.092 R)
• M18: 12,500,847 km (0.072 R)
• M19: 13,374,498 km (0.109 R)
• M20: 15,393,770 km (0.095 R)
• M21: 16,083,716 km (0.118 R)
• M22: 17,279,152 km (0.076 R)
• M23: 18,108,373 km (0.114 R)
• M24: 20,115,678 km (0.043 R)
• M25: 28,136,218 km (0.055 R)
• M26: 31,302,457 km (0.068 R)
• M27: 31,546,002 km (0.033 R)
• M28: 32,657,814 km (0.036 R)
• M29: 44,475,896 km (0.118 R)
• M30: 52,093,569 km (0.104 R)
• M31: 63,217,218 km (0.108 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: 242 - 17,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit