🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.53 AU - 0.67 AU

Year: 168 Days

Day: 23.5 Hours

Environment

Temp: 195 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.77 AU - 1.21 AU

Year: 356 Days

Day: 17.8 Hours

Environment

Temp: 48 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.21 AU - 1.51 AU

Year: 574 Days

Day: 41.5 Hours

Environment

Temp: 0 °C

Axial Tilt: 38 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.23 AU - 3.45 AU

Year: 1731 Days

Day: 45.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,578,708 km

• M1: 39,195 km (0.081 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.42 AU - 5.12 AU

Year: 3191 Days

Day: 30.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,578,708 km

• M1: 535,261 km (0.115 R)

Asteroid Belt

Center: 5.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.5

Radius: 12.4

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.66 AU - 7.3 AU

Year: 5289 Days

Day: 6.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 105,578,708 km

• M1: 245,490 km (0.117 R)
• M2: 718,219 km (0.066 R)
• M3: 1,167,163 km (0.077 R)
• M4: 1,589,477 km (0.113 R)
• M5: 2,103,496 km (0.072 R)
• M6: 3,692,225 km (0.118 R)
• M7: 4,407,602 km (0.078 R)
• M8: 4,871,655 km (0.041 R)
• M9: 5,345,880 km (0.084 R)
• M10: 5,946,216 km (0.051 R)
• M11: 6,463,526 km (0.09 R)
• M12: 8,561,037 km (0.056 R)
• M13: 10,860,805 km (0.05 R)
• M14: 13,420,575 km (0.109 R)
• M15: 13,968,701 km (0.082 R)
• M16: 15,019,626 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 13.9

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.06 AU - 11.58 AU

Year: 11129 Days

Day: 11.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 105,578,708 km

• M1: 172,935 km (0.107 R)
• M2: 643,720 km (0.051 R)
• M3: 2,499,481 km (0.101 R)
• M4: 4,018,049 km (0.083 R)
• M5: 7,470,319 km (0.058 R)
• M6: 9,148,508 km (0.1 R)
• M7: 10,909,574 km (0.114 R)
• M8: 11,870,441 km (0.116 R)
• M9: 15,353,678 km (0.04 R)
• M10: 16,906,654 km (0.054 R)
• M11: 17,399,429 km (0.098 R)
• M12: 20,800,387 km (0.11 R)
• M13: 21,448,296 km (0.118 R)
• M14: 24,711,773 km (0.06 R)
• M15: 25,438,819 km (0.1 R)
• M16: 26,556,016 km (0.12 R)
• M17: 27,031,138 km (0.108 R)
• M18: 27,803,063 km (0.081 R)
• M19: 30,413,696 km (0.045 R)
• M20: 38,248,286 km (0.047 R)
• M21: 40,211,010 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.3

Radius: 4.3

Gravity: 41.01 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 15.3 AU - 23.64 AU

Year: 31070 Days

Day: 16.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 105,578,708 km

• M1: 53,855 km (0.098 R)
• M2: 318,943 km (0.099 R)
• M3: 454,030 km (0.109 R)
• M4: 800,349 km (0.064 R)
• M5: 1,003,054 km (0.099 R)
• M6: 1,371,214 km (0.065 R)
• M7: 1,624,483 km (0.08 R)
• M8: 3,047,458 km (0.119 R)
• M9: 3,289,358 km (0.112 R)
• M10: 3,642,559 km (0.105 R)
• M11: 4,311,859 km (0.085 R)
• M12: 5,017,961 km (0.028 R)
• M13: 5,269,735 km (0.09 R)
• M14: 6,028,645 km (0.095 R)
• M15: 7,541,378 km (0.104 R)
• M16: 7,760,539 km (0.078 R)
• M17: 8,040,287 km (0.093 R)
• M18: 10,059,260 km (0.058 R)
• M19: 10,459,434 km (0.058 R)
• M20: 11,291,498 km (0.049 R)
• M21: 14,383,386 km (0.084 R)
• M22: 14,805,701 km (0.087 R)
• M23: 19,699,048 km (0.094 R)
• M24: 22,846,886 km (0.066 R)
• M25: 25,324,975 km (0.114 R)
• M26: 28,107,046 km (0.115 R)
• M27: 38,142,221 km (0.097 R)
• M28: 41,104,558 km (0.119 R)
• M29: 45,108,246 km (0.105 R)
• M30: 51,295,165 km (0.109 R)
• M31: 68,114,304 km (0.12 R)
• M32: 75,200,306 km (0.106 R)
• M33: 88,261,697 km (0.095 R)
• M34: 93,707,508 km (0.084 R)
• M35: 98,161,784 km (0.094 R)
• M36: 99,677,360 km (0.057 R)
• M37: 100,287,869 km (0.065 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 13,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit