🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.8

Radius: 9.1

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.75 AU - 0.77 AU

Year: 442 Days

Day: 8 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,218,845 km

• M1: 113,246 km (0.085 R)
• M2: 408,253 km (0.114 R)
• M3: 704,008 km (0.113 R)
• M4: 1,191,846 km (0.1 R)
• M5: 1,621,342 km (0.115 R)
• M6: 1,943,576 km (0.062 R)
• M7: 3,237,597 km (0.11 R)
• M8: 3,623,111 km (0.109 R)
• M9: 3,956,116 km (0.092 R)
• M10: 4,280,593 km (0.081 R)
• M11: 5,567,584 km (0.079 R)
• M12: 5,903,581 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.6

Radius: 10.4

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.86 AU - 2.66 AU

Year: 2266 Days

Day: 11.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,218,845 km

• M1: 129,402 km (0.096 R)
• M2: 649,704 km (0.084 R)
• M3: 1,472,043 km (0.079 R)
• M4: 2,107,684 km (0.099 R)
• M5: 2,460,885 km (0.057 R)
• M6: 2,917,906 km (0.084 R)
• M7: 3,467,230 km (0.09 R)
• M8: 3,923,653 km (0.109 R)
• M9: 4,683,161 km (0.115 R)
• M10: 7,743,335 km (0.097 R)
• M11: 8,325,421 km (0.04 R)
• M12: 9,006,091 km (0.117 R)
• M13: 9,504,551 km (0.076 R)
• M14: 10,096,360 km (0.119 R)
• M15: 10,950,265 km (0.074 R)
• M16: 11,354,030 km (0.059 R)
• M17: 11,935,965 km (0.113 R)
• M18: 15,956,707 km (0.117 R)
• M19: 16,476,111 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 13

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.93 AU - 2.69 AU

Year: 2341 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,218,845 km

• M1: 161,715 km (0.088 R)
• M2: 684,410 km (0.093 R)
• M3: 1,721,722 km (0.086 R)
• M4: 2,406,431 km (0.05 R)
• M5: 3,967,336 km (0.117 R)
• M6: 4,384,714 km (0.106 R)
• M7: 6,174,503 km (0.083 R)
• M8: 8,061,231 km (0.109 R)
• M9: 8,735,319 km (0.113 R)
• M10: 16,296,294 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.8

Radius: 9.7

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.26 AU - 2.76 AU

Year: 2652 Days

Day: 5.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,218,845 km

• M1: 121,473 km (0.083 R)
• M2: 571,613 km (0.075 R)
• M3: 1,041,351 km (0.113 R)
• M4: 1,563,597 km (0.098 R)
• M5: 1,958,236 km (0.084 R)
• M6: 2,307,697 km (0.045 R)
• M7: 2,683,487 km (0.047 R)
• M8: 3,083,212 km (0.109 R)
• M9: 3,540,982 km (0.027 R)
• M10: 3,983,343 km (0.105 R)
• M11: 4,932,541 km (0.096 R)
• M12: 5,789,886 km (0.086 R)
• M13: 7,093,632 km (0.076 R)
• M14: 7,766,972 km (0.062 R)
• M15: 8,650,946 km (0.058 R)
• M16: 8,994,871 km (0.11 R)
• M17: 14,627,680 km (0.089 R)
• M18: 15,116,566 km (0.041 R)
• M19: 17,182,363 km (0.111 R)
• M20: 17,892,354 km (0.066 R)
• M21: 18,907,675 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 11.8

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.44 AU - 4.74 AU

Year: 6558 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,218,845 km

• M1: 227,838 km (0.083 R)
• M2: 621,430 km (0.083 R)
• M3: 1,248,245 km (0.111 R)
• M4: 1,621,342 km (0.086 R)
• M5: 2,531,346 km (0.106 R)
• M6: 3,087,401 km (0.106 R)
• M7: 4,342,228 km (0.114 R)
• M8: 4,749,134 km (0.094 R)
• M9: 7,500,688 km (0.068 R)
• M10: 8,010,667 km (0.04 R)
• M11: 8,598,287 km (0.117 R)
• M12: 10,316,868 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.3

Radius: 6.2

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.21 AU - 8.21 AU

Year: 11591 Days

Day: 19.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,218,845 km

• M1: 78,688 km (0.106 R)
• M2: 1,035,816 km (0.118 R)
• M3: 1,329,476 km (0.096 R)
• M4: 1,707,061 km (0.081 R)
• M5: 4,689,295 km (0.092 R)
• M6: 7,341,366 km (0.102 R)
• M7: 7,912,381 km (0.075 R)
• M8: 8,166,099 km (0.073 R)
• M9: 12,424,702 km (0.105 R)
• M10: 14,768,003 km (0.109 R)
• M11: 15,809,204 km (0.066 R)
• M12: 19,916,862 km (0.067 R)
• M13: 22,762,513 km (0.072 R)
• M14: 24,237,847 km (0.091 R)
• M15: 27,185,673 km (0.11 R)
• M16: 28,646,347 km (0.105 R)
• M17: 29,244,888 km (0.034 R)
• M18: 32,795,743 km (0.03 R)
• M19: 33,122,165 km (0.097 R)
• M20: 33,560,786 km (0.054 R)
• M21: 37,328,708 km (0.093 R)
• M22: 43,298,411 km (0.064 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 17,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit