🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.2

Radius: 12.2

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.75 AU - 0.79 AU

Year: 451 Days

Day: 11.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,747,505 km

• M1: 153,039 km (0.051 R)
• M2: 602,431 km (0.079 R)
• M3: 1,042,398 km (0.102 R)
• M4: 1,493,884 km (0.098 R)
• M5: 1,907,672 km (0.083 R)
• M6: 2,808,251 km (0.1 R)
• M7: 3,435,964 km (0.101 R)
• M8: 4,015,207 km (0.106 R)
• M9: 4,506,636 km (0.119 R)
• M10: 4,973,381 km (0.089 R)
• M11: 6,022,960 km (0.102 R)
• M12: 6,708,567 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.6

Radius: 10.9

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.76 AU - 1 AU

Year: 550 Days

Day: 7 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,747,505 km

• M1: 137,032 km (0.095 R)
• M2: 542,741 km (0.037 R)
• M3: 938,427 km (0.096 R)
• M4: 1,382,883 km (0.042 R)
• M5: 2,464,326 km (0.113 R)
• M6: 3,128,839 km (0.09 R)
• M7: 3,782,283 km (0.107 R)
• M8: 4,414,932 km (0.06 R)
• M9: 4,797,903 km (0.116 R)
• M10: 6,558,221 km (0.115 R)
• M11: 7,561,574 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 14.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.27 AU - 1.79 AU

Year: 1262 Days

Day: 12.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,747,505 km

• M1: 186,249 km (0.104 R)
• M2: 819,647 km (0.063 R)
• M3: 1,494,333 km (0.088 R)
• M4: 2,060,561 km (0.106 R)
• M5: 3,109,841 km (0.058 R)
• M6: 3,876,380 km (0.072 R)
• M7: 4,444,702 km (0.118 R)
• M8: 5,242,508 km (0.1 R)
• M9: 5,845,238 km (0.056 R)
• M10: 6,699,741 km (0.095 R)

Asteroid Belt

Center: 2.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.3

Radius: 13.1

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.76 AU - 3.3 AU

Year: 3517 Days

Day: 8.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,747,505 km

• M1: 163,361 km (0.059 R)
• M2: 583,432 km (0.118 R)
• M3: 1,966,015 km (0.113 R)
• M4: 2,778,930 km (0.053 R)
• M5: 3,337,678 km (0.088 R)
• M6: 3,785,125 km (0.115 R)
• M7: 4,589,812 km (0.056 R)
• M8: 5,195,983 km (0.089 R)
• M9: 5,638,194 km (0.076 R)
• M10: 6,510,200 km (0.083 R)
• M11: 7,341,067 km (0.084 R)
• M12: 7,799,135 km (0.106 R)
• M13: 10,342,898 km (0.116 R)
• M14: 11,825,263 km (0.118 R)
• M15: 12,410,490 km (0.098 R)
• M16: 13,493,429 km (0.11 R)
• M17: 14,587,139 km (0.105 R)
• M18: 15,366,244 km (0.119 R)
• M19: 16,558,839 km (0.052 R)
• M20: 17,177,875 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230

Radius: 13.3

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.84 AU - 3.36 AU

Year: 3640 Days

Day: 9.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,747,505 km

• M1: 165,455 km (0.11 R)
• M2: 588,368 km (0.1 R)
• M3: 1,003,503 km (0.045 R)
• M4: 1,588,281 km (0.075 R)
• M5: 2,168,421 km (0.047 R)
• M6: 2,613,026 km (0.076 R)
• M7: 3,780,039 km (0.106 R)
• M8: 4,574,104 km (0.09 R)
• M9: 5,044,590 km (0.1 R)
• M10: 5,762,660 km (0.084 R)
• M11: 6,210,256 km (0.079 R)
• M12: 7,008,211 km (0.076 R)
• M13: 9,269,832 km (0.025 R)
• M14: 10,169,214 km (0.045 R)
• M15: 13,824,489 km (0.099 R)
• M16: 15,609,939 km (0.107 R)
• M17: 16,533,557 km (0.087 R)
• M18: 16,983,547 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 12.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.64 AU - 4 AU

Year: 4979 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,747,505 km

• M1: 151,692 km (0.113 R)
• M2: 707,448 km (0.036 R)
• M3: 1,199,326 km (0.093 R)
• M4: 1,815,221 km (0.089 R)
• M5: 2,301,713 km (0.091 R)
• M6: 3,858,279 km (0.09 R)
• M7: 5,347,077 km (0.117 R)
• M8: 5,998,127 km (0.117 R)
• M9: 6,765,115 km (0.11 R)
• M10: 7,256,095 km (0.053 R)
• M11: 8,091,001 km (0.047 R)
• M12: 12,563,678 km (0.115 R)
• M13: 13,870,864 km (0.116 R)
• M14: 16,695,571 km (0.074 R)
• M15: 19,554,237 km (0.107 R)
• M16: 22,797,070 km (0.062 R)
• M17: 26,382,632 km (0.115 R)
• M18: 27,767,160 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.1

Radius: 7.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.37 AU - 11.47 AU

Year: 19280 Days

Day: 24 Hours

Environment

Temp: -235 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,747,505 km

• M1: 94,695 km (0.061 R)
• M2: 362,027 km (0.106 R)
• M3: 934,837 km (0.047 R)
• M4: 1,649,017 km (0.049 R)
• M5: 1,902,735 km (0.101 R)
• M6: 3,967,186 km (0.074 R)
• M7: 6,447,369 km (0.079 R)
• M8: 10,548,595 km (0.066 R)
• M9: 17,927,510 km (0.104 R)
• M10: 19,714,606 km (0.083 R)
• M11: 22,697,288 km (0.112 R)
• M12: 29,238,455 km (0.107 R)
• M13: 43,225,706 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 14,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit