🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 11.8

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.76 AU - 0.84 AU

Year: 503 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,269,325 km

• M1: 146,756 km (0.088 R)
• M2: 540,796 km (0.091 R)
• M3: 987,047 km (0.036 R)
• M4: 1,745,059 km (0.118 R)
• M5: 2,253,692 km (0.06 R)
• M6: 2,688,423 km (0.065 R)
• M7: 3,359,819 km (0.088 R)
• M8: 3,849,303 km (0.044 R)
• M9: 5,523,901 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.7

Radius: 12.2

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.56 AU - 2.26 AU

Year: 1855 Days

Day: 10.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,269,325 km

• M1: 151,692 km (0.075 R)
• M2: 677,529 km (0.087 R)
• M3: 1,105,678 km (0.101 R)
• M4: 2,160,642 km (0.1 R)
• M5: 2,792,992 km (0.06 R)
• M6: 3,189,127 km (0.093 R)
• M7: 4,045,874 km (0.065 R)
• M8: 4,483,299 km (0.051 R)
• M9: 4,894,394 km (0.101 R)
• M10: 5,516,721 km (0.091 R)
• M11: 5,967,758 km (0.12 R)
• M12: 6,350,878 km (0.114 R)
• M13: 6,822,710 km (0.056 R)
• M14: 7,216,900 km (0.114 R)
• M15: 7,600,320 km (0.107 R)
• M16: 8,520,197 km (0.117 R)
• M17: 9,422,422 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.5

Radius: 8.5

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.5 AU - 2.64 AU

Year: 2896 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,269,325 km

• M1: 107,262 km (0.106 R)
• M2: 424,110 km (0.038 R)
• M3: 1,351,916 km (0.064 R)
• M4: 1,890,767 km (0.118 R)
• M5: 2,338,364 km (0.117 R)
• M6: 2,741,381 km (0.089 R)
• M7: 3,116,273 km (0.08 R)
• M8: 5,862,292 km (0.116 R)
• M9: 7,395,371 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 8.9

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.62 AU - 4.04 AU

Year: 4271 Days

Day: 7.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 29,269,325 km

• M1: 111,301 km (0.109 R)
• M2: 456,573 km (0.026 R)
• M3: 748,289 km (0.093 R)
• M4: 1,257,968 km (0.102 R)
• M5: 1,771,388 km (0.03 R)
• M6: 2,339,711 km (0.054 R)
• M7: 2,684,235 km (0.086 R)
• M8: 3,394,376 km (0.098 R)
• M9: 3,882,065 km (0.114 R)
• M10: 4,789,376 km (0.11 R)
• M11: 5,238,469 km (0.089 R)
• M12: 5,890,566 km (0.094 R)
• M13: 6,500,626 km (0.07 R)
• M14: 6,919,350 km (0.098 R)
• M15: 7,704,141 km (0.111 R)
• M16: 8,623,270 km (0.04 R)
• M17: 8,971,534 km (0.048 R)
• M18: 9,288,831 km (0.058 R)
• M19: 11,866,552 km (0.102 R)
• M20: 12,201,053 km (0.11 R)
• M21: 12,640,272 km (0.105 R)
• M22: 15,501,331 km (0.118 R)
• M23: 16,191,277 km (0.074 R)
• M24: 16,602,970 km (0.1 R)
• M25: 17,818,154 km (0.065 R)
• M26: 18,447,512 km (0.085 R)
• M27: 20,698,661 km (0.11 R)
• M28: 22,176,987 km (0.117 R)
• M29: 26,219,271 km (0.118 R)
• M30: 28,032,397 km (0.06 R)
• M31: 28,541,179 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.8

Radius: 11

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.11 AU - 4.79 AU

Year: 6599 Days

Day: 12.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,269,325 km

• M1: 136,732 km (0.119 R)
• M2: 951,143 km (0.053 R)
• M3: 1,514,678 km (0.118 R)
• M4: 1,967,810 km (0.098 R)
• M5: 2,357,812 km (0.042 R)
• M6: 3,467,679 km (0.119 R)
• M7: 4,066,369 km (0.085 R)
• M8: 5,207,053 km (0.083 R)
• M9: 5,867,677 km (0.091 R)
• M10: 7,103,804 km (0.053 R)
• M11: 11,850,545 km (0.098 R)
• M12: 13,758,067 km (0.113 R)
• M13: 16,990,877 km (0.106 R)
• M14: 18,374,658 km (0.097 R)
• M15: 21,067,270 km (0.07 R)
• M16: 23,212,354 km (0.107 R)
• M17: 23,770,653 km (0.041 R)
• M18: 24,174,866 km (0.059 R)
• M19: 28,564,068 km (0.1 R)
• M20: 29,021,089 km (0.079 R)
• M21: 30,994,136 km (0.039 R)
• M22: 33,558,842 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 13.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.47 AU - 4.77 AU

Year: 6980 Days

Day: 5.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,269,325 km

• M1: 172,935 km (0.047 R)
• M2: 739,163 km (0.074 R)
• M3: 1,859,352 km (0.034 R)
• M4: 3,853,791 km (0.103 R)
• M5: 4,703,806 km (0.113 R)
• M6: 5,200,920 km (0.072 R)
• M7: 5,646,871 km (0.06 R)
• M8: 6,179,140 km (0.094 R)
• M9: 6,712,456 km (0.113 R)
• M10: 8,500,001 km (0.088 R)
• M11: 9,201,167 km (0.07 R)
• M12: 13,769,287 km (0.112 R)
• M13: 16,510,967 km (0.111 R)
• M14: 22,389,565 km (0.114 R)
• M15: 23,576,774 km (0.084 R)
• M16: 24,494,557 km (0.061 R)
• M17: 28,921,607 km (0.08 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: 170 - 19,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit