🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.18 AU - 1.32 AU

Year: 513 Days

Day: 40.3 Hours

Environment

Temp: 14 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.22 AU - 2.96 AU

Year: 1530 Days

Day: 19.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,472,928 km

• M1: 42,635 km (0.072 R)
• M2: 157,975 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.83 AU - 3.47 AU

Year: 2052 Days

Day: 33.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.43 AU - 4.07 AU

Year: 2666 Days

Day: 22.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 9

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.31 AU - 6.59 AU

Year: 6013 Days

Day: 11.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,472,928 km

• M1: 112,049 km (0.059 R)
• M2: 482,902 km (0.105 R)
• M3: 783,893 km (0.065 R)
• M4: 1,435,392 km (0.103 R)
• M5: 2,269,549 km (0.074 R)
• M6: 2,784,764 km (0.09 R)
• M7: 3,691,178 km (0.105 R)
• M8: 4,002,940 km (0.084 R)
• M9: 4,860,136 km (0.079 R)
• M10: 5,717,331 km (0.084 R)
• M11: 6,416,103 km (0.065 R)
• M12: 6,704,528 km (0.114 R)
• M13: 7,342,114 km (0.119 R)
• M14: 9,053,065 km (0.069 R)
• M15: 13,399,032 km (0.047 R)
• M16: 14,355,262 km (0.066 R)
• M17: 15,299,673 km (0.078 R)
• M18: 15,642,552 km (0.093 R)
• M19: 16,284,775 km (0.117 R)
• M20: 16,762,741 km (0.108 R)
• M21: 18,062,148 km (0.057 R)
• M22: 18,445,417 km (0.07 R)
• M23: 19,030,345 km (0.053 R)
• M24: 21,637,986 km (0.061 R)
• M25: 22,143,028 km (0.11 R)
• M26: 22,655,999 km (0.038 R)
• M27: 24,165,142 km (0.1 R)
• M28: 25,181,361 km (0.077 R)
• M29: 25,820,742 km (0.092 R)
• M30: 27,466,468 km (0.033 R)
• M31: 28,486,875 km (0.108 R)
• M32: 29,006,429 km (0.075 R)

Asteroid Belt

Center: 8.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.4

Radius: 13

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.6 AU - 10.32 AU

Year: 11539 Days

Day: 6.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,472,928 km

• M1: 162,014 km (0.108 R)
• M2: 636,090 km (0.118 R)
• M3: 1,153,400 km (0.052 R)
• M4: 1,919,041 km (0.105 R)
• M5: 2,417,651 km (0.045 R)
• M6: 5,004,049 km (0.101 R)
• M7: 5,998,127 km (0.086 R)
• M8: 6,622,997 km (0.046 R)
• M9: 7,508,616 km (0.069 R)
• M10: 9,464,010 km (0.089 R)
• M11: 9,935,094 km (0.111 R)
• M12: 10,367,132 km (0.076 R)
• M13: 11,095,824 km (0.034 R)
• M14: 14,357,057 km (0.066 R)
• M15: 16,132,485 km (0.111 R)
• M16: 16,730,427 km (0.059 R)
• M17: 17,188,496 km (0.05 R)
• M18: 20,115,528 km (0.085 R)
• M19: 23,454,852 km (0.026 R)
• M20: 24,319,827 km (0.102 R)
• M21: 27,042,657 km (0.072 R)
• M22: 30,753,133 km (0.116 R)
• M23: 31,325,944 km (0.119 R)
• M24: 32,967,930 km (0.104 R)
• M25: 37,452,725 km (0.076 R)
• M26: 38,634,398 km (0.035 R)
• M27: 46,552,015 km (0.078 R)
• M28: 47,155,792 km (0.108 R)
• M29: 50,095,241 km (0.087 R)
• M30: 51,048,329 km (0.116 R)
• M31: 54,312,853 km (0.09 R)
• M32: 57,887,794 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.9

Radius: 9.8

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 10.72 AU - 12.78 AU

Year: 14785 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,472,928 km

• M1: 122,820 km (0.049 R)
• M2: 447,597 km (0.107 R)
• M3: 863,928 km (0.084 R)
• M4: 1,418,337 km (0.112 R)
• M5: 2,119,353 km (0.088 R)
• M6: 2,441,587 km (0.08 R)
• M7: 3,341,867 km (0.087 R)
• M8: 4,290,916 km (0.099 R)
• M9: 5,229,044 km (0.059 R)
• M10: 5,939,933 km (0.057 R)
• M11: 7,645,648 km (0.071 R)
• M12: 8,070,656 km (0.065 R)
• M13: 10,666,777 km (0.101 R)
• M14: 11,684,641 km (0.1 R)
• M15: 14,052,027 km (0.091 R)
• M16: 15,496,993 km (0.083 R)
• M17: 17,358,739 km (0.115 R)
• M18: 20,967,787 km (0.079 R)
• M19: 21,428,249 km (0.081 R)
• M20: 23,044,505 km (0.113 R)
• M21: 24,740,645 km (0.072 R)
• M22: 25,881,479 km (0.083 R)
• M23: 27,383,741 km (0.062 R)
• M24: 29,744,993 km (0.097 R)
• M25: 30,209,644 km (0.104 R)
• M26: 31,995,394 km (0.073 R)
• M27: 32,729,022 km (0.103 R)
• M28: 33,473,870 km (0.098 R)
• M29: 39,146,172 km (0.037 R)
• M30: 39,844,645 km (0.095 R)
• M31: 41,410,635 km (0.115 R)
• M32: 51,177,581 km (0.108 R)
• M33: 51,510,586 km (0.111 R)
• M34: 61,057,025 km (0.109 R)
• M35: 63,519,405 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.1

Radius: 4.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 12.48 AU - 14.36 AU

Year: 18047 Days

Day: 21 Hours

Environment

Temp: -192 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,472,928 km

• M1: 55,351 km (0.067 R)
• M2: 460,761 km (0.07 R)
• M3: 1,460,524 km (0.095 R)
• M4: 1,963,622 km (0.104 R)
• M5: 3,472,615 km (0.08 R)
• M6: 4,746,142 km (0.077 R)
• M7: 5,472,440 km (0.108 R)
• M8: 6,270,096 km (0.076 R)
• M9: 10,601,851 km (0.104 R)
• M10: 13,585,431 km (0.118 R)
• M11: 16,525,030 km (0.035 R)
• M12: 17,785,092 km (0.111 R)
• M13: 20,141,708 km (0.08 R)
• M14: 22,021,405 km (0.107 R)
• M15: 25,875,944 km (0.056 R)
• M16: 27,311,634 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.4

Radius: 4.6

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 15.26 AU - 23.66 AU

Year: 31513 Days

Day: 21.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,472,928 km

• M1: 58,194 km (0.12 R)
• M2: 205,248 km (0.068 R)
• M3: 690,544 km (0.103 R)
• M4: 1,269,637 km (0.074 R)
• M5: 4,180,512 km (0.088 R)
• M6: 7,191,469 km (0.09 R)
• M7: 9,591,168 km (0.089 R)
• M8: 15,134,667 km (0.115 R)
• M9: 15,892,231 km (0.118 R)
• M10: 16,124,257 km (0.108 R)
• M11: 21,348,514 km (0.066 R)
• M12: 41,751,868 km (0.116 R)
• M13: 43,841,152 km (0.102 R)
• M14: 45,999,101 km (0.116 R)
• M15: 47,583,193 km (0.095 R)
• M16: 52,211,452 km (0.068 R)
• M17: 55,873,159 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 18,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit