🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.9

Radius: 10.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1 AU - 1.3 AU

Year: 796 Days

Day: 9.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,627,059 km

• M1: 134,339 km (0.11 R)
• M2: 476,918 km (0.105 R)
• M3: 823,686 km (0.085 R)
• M4: 1,240,017 km (0.111 R)
• M5: 1,858,754 km (0.047 R)
• M6: 2,439,343 km (0.098 R)
• M7: 3,228,472 km (0.11 R)
• M8: 3,568,956 km (0.075 R)
• M9: 5,420,679 km (0.104 R)
• M10: 6,208,461 km (0.106 R)
• M11: 7,183,989 km (0.101 R)
• M12: 8,640,025 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.3

Radius: 12.4

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.51 AU - 2.43 AU

Year: 1785 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,627,059 km

• M1: 154,983 km (0.085 R)
• M2: 684,410 km (0.097 R)
• M3: 1,592,021 km (0.115 R)
• M4: 2,038,271 km (0.094 R)
• M5: 2,977,147 km (0.074 R)
• M6: 3,750,568 km (0.103 R)
• M7: 4,318,292 km (0.083 R)
• M8: 4,964,106 km (0.104 R)
• M9: 5,650,312 km (0.072 R)
• M10: 6,500,027 km (0.092 R)
• M11: 6,916,059 km (0.087 R)
• M12: 7,888,595 km (0.066 R)
• M13: 8,453,626 km (0.047 R)
• M14: 8,918,576 km (0.1 R)
• M15: 9,335,356 km (0.056 R)
• M16: 10,487,409 km (0.1 R)
• M17: 11,281,923 km (0.094 R)
• M18: 13,485,799 km (0.081 R)
• M19: 14,338,358 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 10.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.11 AU - 3.69 AU

Year: 4048 Days

Day: 8.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,627,059 km

• M1: 128,056 km (0.093 R)
• M2: 551,867 km (0.048 R)
• M3: 876,045 km (0.108 R)
• M4: 1,219,223 km (0.085 R)
• M5: 1,784,553 km (0.086 R)
• M6: 2,149,572 km (0.113 R)
• M7: 2,808,700 km (0.073 R)
• M8: 3,344,560 km (0.081 R)
• M9: 3,947,439 km (0.083 R)
• M10: 5,086,627 km (0.12 R)
• M11: 5,884,881 km (0.064 R)
• M12: 6,551,938 km (0.111 R)
• M13: 7,763,381 km (0.037 R)
• M14: 8,140,518 km (0.081 R)
• M15: 8,529,921 km (0.117 R)
• M16: 11,791,903 km (0.112 R)
• M17: 12,245,035 km (0.074 R)
• M18: 12,615,888 km (0.037 R)
• M19: 13,973,638 km (0.117 R)
• M20: 16,023,578 km (0.053 R)
• M21: 17,613,952 km (0.109 R)
• M22: 21,238,410 km (0.061 R)
• M23: 22,595,711 km (0.092 R)
• M24: 23,508,258 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.9

Radius: 14.2

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.08 AU - 5.78 AU

Year: 7068 Days

Day: 14.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,627,059 km

• M1: 176,525 km (0.075 R)
• M2: 819,348 km (0.116 R)
• M3: 1,498,522 km (0.117 R)
• M4: 2,645,190 km (0.049 R)
• M5: 3,240,739 km (0.11 R)
• M6: 4,545,830 km (0.119 R)
• M7: 5,465,409 km (0.048 R)
• M8: 6,145,032 km (0.114 R)
• M9: 7,233,955 km (0.042 R)
• M10: 8,132,290 km (0.096 R)
• M11: 9,230,488 km (0.101 R)
• M12: 10,704,476 km (0.104 R)
• M13: 11,621,511 km (0.093 R)
• M14: 15,639,111 km (0.07 R)
• M15: 17,596,150 km (0.059 R)
• M16: 18,531,436 km (0.09 R)
• M17: 19,570,244 km (0.086 R)
• M18: 20,867,557 km (0.038 R)
• M19: 23,954,808 km (0.037 R)
• M20: 26,808,686 km (0.088 R)
• M21: 32,683,395 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.5

Radius: 6.7

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.46 AU - 13.58 AU

Year: 23620 Days

Day: 21.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 162.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,627,059 km

• M1: 84,523 km (0.066 R)
• M2: 300,692 km (0.106 R)
• M3: 513,270 km (0.102 R)
• M4: 943,215 km (0.097 R)
• M5: 1,354,010 km (0.039 R)
• M6: 1,994,140 km (0.108 R)
• M7: 2,870,035 km (0.061 R)
• M8: 4,139,971 km (0.087 R)
• M9: 4,405,807 km (0.116 R)
• M10: 5,158,583 km (0.095 R)
• M11: 5,994,087 km (0.113 R)
• M12: 8,289,368 km (0.101 R)
• M13: 10,986,617 km (0.047 R)
• M14: 11,824,964 km (0.089 R)
• M15: 14,368,427 km (0.088 R)
• M16: 15,607,695 km (0.075 R)
• M17: 17,340,338 km (0.112 R)
• M18: 22,275,721 km (0.096 R)
• M19: 22,784,653 km (0.113 R)
• M20: 23,510,203 km (0.118 R)
• M21: 24,898,322 km (0.106 R)
• M22: 27,139,447 km (0.099 R)
• M23: 31,251,743 km (0.111 R)
• M24: 35,761,221 km (0.099 R)
• M25: 38,460,715 km (0.107 R)
• M26: 49,923,502 km (0.114 R)
• M27: 54,381,519 km (0.102 R)
• M28: 55,303,939 km (0.11 R)
• M29: 61,654,818 km (0.11 R)
• M30: 63,875,149 km (0.12 R)
• M31: 64,284,599 km (0.102 R)
• M32: 70,418,560 km (0.093 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 18,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit