🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485

Radius: 9.9

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.77 AU - 0.85 AU

Year: 512 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,300,390 km

• M1: 123,119 km (0.108 R)
• M2: 447,298 km (0.098 R)
• M3: 939,175 km (0.059 R)
• M4: 1,566,140 km (0.039 R)
• M5: 1,986,061 km (0.106 R)
• M6: 2,423,934 km (0.096 R)
• M7: 2,768,009 km (0.113 R)
• M8: 3,519,140 km (0.098 R)
• M9: 3,858,129 km (0.11 R)
• M10: 4,274,161 km (0.049 R)
• M11: 4,855,348 km (0.088 R)
• M12: 5,244,752 km (0.063 R)
• M13: 5,825,042 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 12.7

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.92 AU - 1.02 AU

Year: 672 Days

Day: 12.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,300,390 km

• M1: 157,975 km (0.049 R)
• M2: 692,489 km (0.07 R)
• M3: 1,104,930 km (0.115 R)
• M4: 1,632,711 km (0.084 R)
• M5: 2,388,928 km (0.12 R)
• M6: 2,795,984 km (0.108 R)
• M7: 3,781,385 km (0.061 R)
• M8: 4,629,905 km (0.082 R)
• M9: 5,197,628 km (0.057 R)
• M10: 5,639,391 km (0.096 R)
• M11: 6,833,332 km (0.067 R)
• M12: 7,296,935 km (0.099 R)
• M13: 8,213,671 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.4

Radius: 14.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.2 AU - 1.44 AU

Year: 1066 Days

Day: 11.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,300,390 km

• M1: 181,761 km (0.092 R)
• M2: 736,321 km (0.106 R)
• M3: 1,314,367 km (0.03 R)
• M4: 2,090,331 km (0.092 R)
• M5: 3,158,161 km (0.118 R)
• M6: 4,139,971 km (0.051 R)
• M7: 5,398,688 km (0.111 R)
• M8: 6,083,846 km (0.05 R)
• M9: 7,629,342 km (0.092 R)
• M10: 8,522,142 km (0.103 R)
• M11: 10,516,282 km (0.095 R)
• M12: 11,211,612 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 14.3

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.6 AU - 1.76 AU

Year: 1531 Days

Day: 8.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,300,390 km

• M1: 180,714 km (0.092 R)
• M2: 683,961 km (0.056 R)
• M3: 1,296,714 km (0.108 R)
• M4: 2,977,297 km (0.071 R)
• M5: 3,946,392 km (0.11 R)
• M6: 4,405,657 km (0.104 R)
• M7: 4,954,233 km (0.101 R)
• M8: 7,938,112 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 10.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.68 AU - 2.5 AU

Year: 2124 Days

Day: 14.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,300,390 km

• M1: 135,536 km (0.116 R)
• M2: 594,053 km (0.092 R)
• M3: 933,042 km (0.081 R)
• M4: 1,460,973 km (0.112 R)
• M5: 1,962,275 km (0.108 R)
• M6: 3,647,196 km (0.118 R)
• M7: 4,002,192 km (0.084 R)
• M8: 4,341,480 km (0.072 R)
• M9: 4,700,215 km (0.076 R)
• M10: 5,165,465 km (0.085 R)
• M11: 5,731,394 km (0.117 R)
• M12: 6,363,445 km (0.119 R)
• M13: 6,722,629 km (0.069 R)
• M14: 7,623,358 km (0.041 R)
• M15: 7,999,597 km (0.078 R)
• M16: 8,388,252 km (0.109 R)
• M17: 9,597,302 km (0.06 R)
• M18: 12,279,592 km (0.118 R)
• M19: 14,221,970 km (0.103 R)
• M20: 15,334,829 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.7

Radius: 8.2

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.17 AU - 6.67 AU

Year: 8870 Days

Day: 8.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,300,390 km

• M1: 102,624 km (0.109 R)
• M2: 468,391 km (0.102 R)
• M3: 1,083,537 km (0.101 R)
• M4: 1,752,240 km (0.059 R)
• M5: 3,191,222 km (0.071 R)
• M6: 4,149,995 km (0.036 R)
• M7: 4,489,582 km (0.107 R)
• M8: 5,256,720 km (0.073 R)
• M9: 5,861,245 km (0.114 R)
• M10: 8,435,226 km (0.066 R)
• M11: 9,406,565 km (0.041 R)
• M12: 9,894,403 km (0.034 R)
• M13: 10,399,146 km (0.067 R)
• M14: 12,826,073 km (0.109 R)
• M15: 14,489,003 km (0.11 R)
• M16: 15,878,318 km (0.115 R)
• M17: 16,781,590 km (0.117 R)
• M18: 17,354,251 km (0.116 R)
• M19: 18,614,313 km (0.058 R)
• M20: 19,775,791 km (0.119 R)
• M21: 23,906,937 km (0.034 R)
• M22: 26,125,623 km (0.113 R)
• M23: 27,580,013 km (0.027 R)
• M24: 33,263,386 km (0.106 R)
• M25: 37,457,362 km (0.096 R)
• M26: 40,313,634 km (0.064 R)
• M27: 42,121,674 km (0.12 R)
• M28: 42,647,959 km (0.067 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 14,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit