🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.48 AU - 0.7 AU

Year: 171 Days

Day: 27.2 Hours

Environment

Temp: 131 °C

Axial Tilt: 46.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.17 AU - 1.27 AU

Year: 508 Days

Day: 38.6 Hours

Environment

Temp: -2 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.29 AU - 1.45 AU

Year: 604 Days

Day: 44.6 Hours

Environment

Temp: -35 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,453,993 km

• M1: 75,547 km (0.094 R)

Asteroid Belt

Center: 3.19 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.2

Radius: 12.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.95 AU - 5.07 AU

Year: 4225 Days

Day: 8.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,453,993 km

• M1: 155,432 km (0.093 R)
• M2: 714,629 km (0.066 R)
• M3: 1,202,916 km (0.113 R)
• M4: 1,774,979 km (0.049 R)
• M5: 2,738,539 km (0.061 R)
• M6: 3,396,769 km (0.104 R)
• M7: 3,892,537 km (0.068 R)
• M8: 4,953,485 km (0.063 R)
• M9: 5,510,587 km (0.114 R)
• M10: 6,409,521 km (0.091 R)
• M11: 9,103,629 km (0.106 R)
• M12: 10,401,390 km (0.055 R)
• M13: 10,831,185 km (0.114 R)
• M14: 12,865,566 km (0.077 R)
• M15: 17,256,862 km (0.115 R)
• M16: 17,982,711 km (0.073 R)
• M17: 18,792,036 km (0.089 R)
• M18: 20,955,520 km (0.066 R)
• M19: 22,558,461 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545

Radius: 14.9

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.9 AU - 6.14 AU

Year: 5564 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,453,993 km

• M1: 186,100 km (0.031 R)
• M2: 710,141 km (0.103 R)
• M3: 1,567,038 km (0.106 R)
• M4: 2,694,557 km (0.093 R)
• M5: 3,487,874 km (0.077 R)
• M6: 5,657,642 km (0.082 R)
• M7: 6,194,549 km (0.077 R)
• M8: 9,369,464 km (0.11 R)
• M9: 10,693,854 km (0.086 R)
• M10: 13,607,273 km (0.116 R)
• M11: 14,797,324 km (0.096 R)
• M12: 18,784,855 km (0.099 R)
• M13: 22,689,060 km (0.065 R)
• M14: 25,547,128 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.2

Radius: 11.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.7 AU - 10.24 AU

Year: 11860 Days

Day: 13.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 100.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,453,993 km

• M1: 148,551 km (0.099 R)
• M2: 641,176 km (0.088 R)
• M3: 1,051,673 km (0.115 R)
• M4: 1,431,951 km (0.091 R)
• M5: 2,065,348 km (0.11 R)
• M6: 3,047,309 km (0.07 R)
• M7: 3,523,628 km (0.09 R)
• M8: 4,428,396 km (0.047 R)
• M9: 5,417,537 km (0.057 R)
• M10: 6,367,633 km (0.051 R)
• M11: 7,626,200 km (0.081 R)
• M12: 8,122,865 km (0.092 R)
• M13: 8,640,923 km (0.1 R)
• M14: 9,743,609 km (0.099 R)
• M15: 11,678,059 km (0.119 R)
• M16: 12,621,572 km (0.093 R)
• M17: 13,082,932 km (0.082 R)
• M18: 15,234,898 km (0.111 R)
• M19: 15,890,735 km (0.107 R)
• M20: 17,541,846 km (0.099 R)
• M21: 17,971,940 km (0.047 R)
• M22: 19,304,708 km (0.063 R)
• M23: 21,917,285 km (0.037 R)
• M24: 22,500,417 km (0.036 R)
• M25: 24,400,609 km (0.111 R)
• M26: 33,844,723 km (0.115 R)
• M27: 39,799,317 km (0.091 R)
• M28: 41,169,484 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.2

Radius: 13

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.14 AU - 13.16 AU

Year: 13093 Days

Day: 6.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,453,993 km

• M1: 161,865 km (0.11 R)
• M2: 1,043,744 km (0.065 R)
• M3: 2,507,410 km (0.073 R)
• M4: 2,917,009 km (0.115 R)
• M5: 3,419,508 km (0.115 R)
• M6: 4,143,113 km (0.059 R)
• M7: 6,860,409 km (0.075 R)
• M8: 8,636,584 km (0.081 R)
• M9: 9,196,230 km (0.092 R)
• M10: 10,030,388 km (0.104 R)
• M11: 10,649,124 km (0.038 R)
• M12: 13,138,732 km (0.102 R)
• M13: 13,629,862 km (0.084 R)
• M14: 18,390,365 km (0.102 R)
• M15: 20,440,305 km (0.086 R)
• M16: 23,434,656 km (0.108 R)
• M17: 29,437,271 km (0.088 R)
• M18: 35,085,637 km (0.109 R)
• M19: 40,765,420 km (0.06 R)
• M20: 43,010,884 km (0.069 R)
• M21: 46,744,996 km (0.06 R)

Asteroid Belt

Center: 11.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 11.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.1

Radius: 6.2

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 11.61 AU - 12.33 AU

Year: 15602 Days

Day: 16.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,453,993 km

• M1: 77,043 km (0.072 R)
• M2: 336,146 km (0.107 R)
• M3: 626,366 km (0.064 R)
• M4: 855,401 km (0.108 R)
• M5: 1,103,135 km (0.105 R)
• M6: 1,398,590 km (0.091 R)
• M7: 1,814,921 km (0.101 R)
• M8: 2,567,997 km (0.118 R)
• M9: 2,773,545 km (0.094 R)
• M10: 3,795,298 km (0.109 R)
• M11: 4,124,114 km (0.038 R)
• M12: 4,374,990 km (0.09 R)
• M13: 7,568,455 km (0.057 R)
• M14: 15,955,361 km (0.077 R)
• M15: 16,340,725 km (0.108 R)
• M16: 21,183,208 km (0.107 R)
• M17: 21,555,108 km (0.073 R)
• M18: 22,988,705 km (0.114 R)
• M19: 24,281,530 km (0.038 R)
• M20: 25,727,243 km (0.086 R)
• M21: 32,575,834 km (0.105 R)
• M22: 32,946,986 km (0.116 R)
• M23: 36,283,019 km (0.067 R)
• M24: 38,443,960 km (0.051 R)
• M25: 40,689,274 km (0.044 R)
• M26: 43,169,158 km (0.109 R)
• M27: 51,711,945 km (0.047 R)
• M28: 53,752,161 km (0.097 R)
• M29: 57,270,702 km (0.098 R)
• M30: 62,450,230 km (0.086 R)
• M31: 64,762,564 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.7

Radius: 3.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 15.54 AU - 20.26 AU

Year: 28530 Days

Day: 22 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,453,993 km

• M1: 265,536 km (0.091 R)
• M2: 820,245 km (0.083 R)
• M3: 3,977,508 km (0.04 R)
• M4: 4,729,836 km (0.073 R)
• M5: 5,874,260 km (0.07 R)
• M6: 11,587,701 km (0.029 R)
• M7: 23,116,013 km (0.112 R)
• M8: 37,145,899 km (0.083 R)
• M9: 38,570,969 km (0.066 R)
• M10: 41,277,792 km (0.042 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 11,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit