🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.73 AU - 1.17 AU

Year: 351 Days

Day: 36.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 8.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.95 AU - 1.35 AU

Year: 467 Days

Day: 31 Hours

Environment

Temp: 5 °C

Axial Tilt: 47.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,871,166 km

• M1: 17,653 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.8 AU - 3.62 AU

Year: 2178 Days

Day: 22 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 13.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.54 AU - 7.44 AU

Year: 6999 Days

Day: 8.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,871,166 km

• M1: 168,447 km (0.12 R)
• M2: 740,509 km (0.079 R)
• M3: 1,183,768 km (0.085 R)
• M4: 2,269,699 km (0.048 R)
• M5: 2,768,009 km (0.035 R)
• M6: 3,747,726 km (0.103 R)
• M7: 4,189,488 km (0.071 R)
• M8: 4,611,654 km (0.11 R)
• M9: 5,298,607 km (0.114 R)
• M10: 6,252,293 km (0.108 R)
• M11: 8,500,301 km (0.093 R)
• M12: 9,535,368 km (0.091 R)
• M13: 11,143,396 km (0.119 R)
• M14: 12,544,081 km (0.061 R)
• M15: 13,315,108 km (0.115 R)
• M16: 13,884,926 km (0.093 R)
• M17: 14,411,660 km (0.118 R)
• M18: 15,692,966 km (0.116 R)
• M19: 16,784,582 km (0.094 R)
• M20: 18,904,982 km (0.114 R)
• M21: 19,335,076 km (0.105 R)
• M22: 22,372,362 km (0.087 R)
• M23: 23,342,205 km (0.041 R)
• M24: 24,424,545 km (0.071 R)
• M25: 25,279,497 km (0.108 R)
• M26: 29,760,552 km (0.09 R)
• M27: 31,531,790 km (0.026 R)
• M28: 34,531,527 km (0.109 R)
• M29: 35,067,386 km (0.084 R)
• M30: 35,936,251 km (0.075 R)
• M31: 36,819,327 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.7

Radius: 13.5

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.64 AU - 7.8 AU

Year: 7348 Days

Day: 9 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,871,166 km

• M1: 167,849 km (0.099 R)
• M2: 880,383 km (0.096 R)
• M3: 1,377,348 km (0.11 R)
• M4: 2,080,308 km (0.115 R)
• M5: 3,297,735 km (0.047 R)
• M6: 4,103,170 km (0.086 R)
• M7: 4,710,538 km (0.038 R)
• M8: 5,251,484 km (0.069 R)
• M9: 5,733,787 km (0.043 R)
• M10: 7,885,005 km (0.062 R)
• M11: 11,247,067 km (0.096 R)
• M12: 11,942,697 km (0.092 R)
• M13: 13,837,953 km (0.112 R)
• M14: 18,952,704 km (0.114 R)
• M15: 20,483,389 km (0.09 R)
• M16: 21,359,584 km (0.119 R)
• M17: 22,594,514 km (0.095 R)
• M18: 23,702,885 km (0.074 R)
• M19: 25,752,226 km (0.105 R)
• M20: 26,491,988 km (0.093 R)
• M21: 27,341,105 km (0.104 R)
• M22: 29,795,109 km (0.106 R)
• M23: 33,581,880 km (0.086 R)
• M24: 34,021,548 km (0.052 R)
• M25: 36,393,123 km (0.113 R)
• M26: 38,392,050 km (0.07 R)
• M27: 40,463,382 km (0.105 R)
• M28: 41,969,533 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.1

Radius: 6.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 12.07 AU - 18.15 AU

Year: 22246 Days

Day: 21.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,871,166 km

• M1: 89,011 km (0.112 R)
• M2: 395,986 km (0.072 R)
• M3: 1,389,166 km (0.111 R)
• M4: 2,136,108 km (0.063 R)
• M5: 2,362,749 km (0.089 R)
• M6: 2,732,854 km (0.072 R)
• M7: 5,393,003 km (0.091 R)
• M8: 5,707,757 km (0.104 R)
• M9: 11,370,485 km (0.11 R)
• M10: 16,722,349 km (0.08 R)
• M11: 18,488,202 km (0.103 R)
• M12: 19,023,164 km (0.098 R)
• M13: 20,062,122 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.1

Radius: 4.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 13.99 AU - 18.05 AU

Year: 24285 Days

Day: 21.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,871,166 km

• M1: 82,279 km (0.091 R)
• M2: 241,451 km (0.104 R)
• M3: 430,243 km (0.099 R)
• M4: 817,253 km (0.111 R)
• M5: 1,121,984 km (0.112 R)
• M6: 1,498,821 km (0.117 R)
• M7: 2,120,849 km (0.099 R)
• M8: 2,313,830 km (0.078 R)
• M9: 2,775,639 km (0.111 R)
• M10: 3,296,539 km (0.114 R)
• M11: 5,217,525 km (0.048 R)
• M12: 6,466,368 km (0.054 R)
• M13: 12,704,001 km (0.112 R)
• M14: 12,933,185 km (0.072 R)
• M15: 14,367,230 km (0.108 R)
• M16: 16,780,393 km (0.085 R)
• M17: 20,140,511 km (0.04 R)
• M18: 26,257,119 km (0.077 R)
• M19: 30,036,260 km (0.08 R)
• M20: 30,341,141 km (0.104 R)
• M21: 30,750,890 km (0.11 R)
• M22: 31,791,343 km (0.119 R)
• M23: 34,383,724 km (0.107 R)
• M24: 34,940,976 km (0.104 R)
• M25: 42,742,804 km (0.085 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 12,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit