🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.5

Radius: 9.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.61 AU - 0.61 AU

Year: 323 Days

Day: 14.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,339,140 km

• M1: 120,725 km (0.086 R)
• M2: 572,361 km (0.064 R)
• M3: 897,886 km (0.114 R)
• M4: 1,269,488 km (0.092 R)
• M5: 1,839,455 km (0.104 R)
• M6: 2,450,862 km (0.051 R)
• M7: 3,223,086 km (0.049 R)
• M8: 3,666,195 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.8

Radius: 8.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.61 AU - 2.63 AU

Year: 2876 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,339,140 km

• M1: 106,962 km (0.064 R)
• M2: 415,583 km (0.048 R)
• M3: 907,610 km (0.064 R)
• M4: 1,460,973 km (0.092 R)
• M5: 2,659,252 km (0.098 R)
• M6: 3,213,961 km (0.062 R)
• M7: 3,789,912 km (0.115 R)
• M8: 4,065,173 km (0.084 R)
• M9: 4,472,976 km (0.047 R)
• M10: 5,015,568 km (0.08 R)
• M11: 6,590,534 km (0.101 R)
• M12: 7,126,843 km (0.079 R)
• M13: 7,490,814 km (0.113 R)
• M14: 8,626,561 km (0.093 R)
• M15: 9,433,791 km (0.051 R)
• M16: 10,150,066 km (0.073 R)
• M17: 10,828,941 km (0.068 R)
• M18: 11,575,883 km (0.07 R)
• M19: 12,557,245 km (0.049 R)
• M20: 12,923,760 km (0.106 R)
• M21: 13,465,903 km (0.104 R)
• M22: 15,506,418 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.7

Radius: 15

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.67 AU - 4.69 AU

Year: 5796 Days

Day: 15 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,339,140 km

• M1: 186,698 km (0.097 R)
• M2: 755,469 km (0.029 R)
• M3: 1,905,877 km (0.074 R)
• M4: 2,857,619 km (0.116 R)
• M5: 4,084,321 km (0.104 R)
• M6: 4,685,705 km (0.039 R)
• M7: 6,322,156 km (0.055 R)
• M8: 11,023,119 km (0.032 R)
• M9: 11,994,458 km (0.096 R)
• M10: 12,969,387 km (0.091 R)
• M11: 13,666,513 km (0.11 R)
• M12: 14,615,712 km (0.118 R)
• M13: 16,091,046 km (0.105 R)
• M14: 16,583,522 km (0.049 R)
• M15: 17,598,843 km (0.107 R)
• M16: 20,461,398 km (0.045 R)
• M17: 21,040,043 km (0.073 R)
• M18: 22,687,564 km (0.093 R)
• M19: 24,018,537 km (0.115 R)
• M20: 25,901,226 km (0.104 R)
• M21: 27,267,952 km (0.119 R)
• M22: 27,792,592 km (0.112 R)
• M23: 30,799,958 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.5

Radius: 4.9

Gravity: 37.46 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.07 AU - 7.15 AU

Year: 12859 Days

Day: 21.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,339,140 km

• M1: 61,036 km (0.102 R)
• M2: 334,501 km (0.082 R)
• M3: 1,254,528 km (0.115 R)
• M4: 2,541,369 km (0.067 R)
• M5: 2,765,317 km (0.115 R)
• M6: 3,357,126 km (0.077 R)
• M7: 7,719,101 km (0.051 R)
• M8: 8,629,553 km (0.098 R)
• M9: 9,556,162 km (0.075 R)
• M10: 10,209,456 km (0.107 R)
• M11: 12,284,828 km (0.079 R)
• M12: 13,122,426 km (0.118 R)
• M13: 16,012,806 km (0.102 R)
• M14: 19,730,463 km (0.106 R)
• M15: 21,329,365 km (0.107 R)
• M16: 23,690,468 km (0.107 R)
• M17: 26,852,967 km (0.082 R)
• M18: 28,812,699 km (0.106 R)
• M19: 33,381,568 km (0.106 R)
• M20: 34,878,893 km (0.07 R)
• M21: 38,681,073 km (0.119 R)
• M22: 45,566,015 km (0.066 R)
• M23: 49,775,999 km (0.048 R)
• M24: 51,892,360 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.2

Radius: 5.1

Gravity: 35.49 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.2 AU - 9.82 AU

Year: 18343 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,339,140 km

• M1: 63,429 km (0.108 R)
• M2: 840,291 km (0.091 R)
• M3: 1,332,019 km (0.051 R)
• M4: 1,898,547 km (0.077 R)
• M5: 2,057,569 km (0.113 R)
• M6: 2,334,924 km (0.117 R)
• M7: 2,784,764 km (0.111 R)
• M8: 3,234,605 km (0.07 R)
• M9: 7,191,469 km (0.069 R)
• M10: 7,384,151 km (0.076 R)
• M11: 9,447,405 km (0.095 R)
• M12: 9,795,519 km (0.053 R)
• M13: 10,517,628 km (0.063 R)
• M14: 15,213,206 km (0.119 R)
• M15: 17,969,098 km (0.104 R)
• M16: 18,503,611 km (0.112 R)
• M17: 18,865,787 km (0.11 R)
• M18: 20,457,808 km (0.107 R)
• M19: 29,407,052 km (0.118 R)
• M20: 32,057,777 km (0.099 R)
• M21: 32,448,975 km (0.08 R)
• M22: 38,265,639 km (0.061 R)
• M23: 45,228,672 km (0.036 R)
• M24: 51,016,763 km (0.084 R)
• M25: 52,627,633 km (0.056 R)
• M26: 53,537,039 km (0.086 R)
• M27: 57,662,948 km (0.088 R)
• M28: 63,214,226 km (0.097 R)
• M29: 67,818,100 km (0.1 R)
• M30: 72,864,635 km (0.1 R)
• M31: 76,984,560 km (0.174 R)
• M32: 78,391,678 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 11,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit