🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.5

Radius: 13.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.82 AU - 0.92 AU

Year: 560 Days

Day: 15 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,138,761 km

• M1: 173,234 km (0.11 R)
• M2: 615,894 km (0.099 R)
• M3: 1,190,799 km (0.066 R)
• M4: 1,860,549 km (0.04 R)
• M5: 2,361,702 km (0.085 R)
• M6: 2,877,964 km (0.106 R)
• M7: 3,349,646 km (0.093 R)
• M8: 4,238,556 km (0.105 R)
• M9: 4,822,437 km (0.101 R)
• M10: 5,627,722 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.4

Radius: 12.1

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.87 AU - 1.37 AU

Year: 818 Days

Day: 8.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,138,761 km

• M1: 150,495 km (0.091 R)
• M2: 664,065 km (0.074 R)
• M3: 1,158,187 km (0.112 R)
• M4: 1,692,850 km (0.105 R)
• M5: 2,236,039 km (0.092 R)
• M6: 2,752,601 km (0.088 R)
• M7: 3,455,561 km (0.097 R)
• M8: 4,058,590 km (0.079 R)
• M9: 4,630,353 km (0.118 R)
• M10: 5,838,207 km (0.041 R)
• M11: 6,257,081 km (0.118 R)
• M12: 6,738,935 km (0.089 R)
• M13: 7,992,565 km (0.105 R)
• M14: 8,385,110 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.5

Radius: 14

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.09 AU - 3.41 AU

Year: 4044 Days

Day: 10.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,138,761 km

• M1: 174,132 km (0.116 R)
• M2: 646,712 km (0.062 R)
• M3: 1,259,764 km (0.052 R)
• M4: 1,780,963 km (0.106 R)
• M5: 2,298,272 km (0.067 R)
• M6: 2,916,261 km (0.071 R)
• M7: 4,083,872 km (0.089 R)
• M8: 4,997,167 km (0.064 R)
• M9: 6,014,283 km (0.115 R)
• M10: 6,725,023 km (0.105 R)
• M11: 8,494,018 km (0.101 R)
• M12: 9,861,192 km (0.054 R)
• M13: 10,851,231 km (0.084 R)
• M14: 11,370,485 km (0.087 R)
• M15: 13,815,812 km (0.1 R)
• M16: 15,702,241 km (0.079 R)
• M17: 16,423,901 km (0.068 R)
• M18: 17,051,764 km (0.116 R)
• M19: 18,969,758 km (0.103 R)
• M20: 19,407,781 km (0.083 R)
• M21: 20,109,843 km (0.079 R)
• M22: 20,565,369 km (0.117 R)
• M23: 21,632,600 km (0.114 R)
• M24: 23,444,978 km (0.059 R)
• M25: 24,461,945 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.9

Radius: 10.6

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.15 AU - 4.41 AU

Year: 5073 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,138,761 km

• M1: 132,544 km (0.041 R)
• M2: 483,650 km (0.089 R)
• M3: 1,352,215 km (0.071 R)
• M4: 1,738,776 km (0.113 R)
• M5: 2,215,395 km (0.073 R)
• M6: 2,966,227 km (0.081 R)
• M7: 3,606,954 km (0.048 R)
• M8: 4,188,890 km (0.095 R)
• M9: 6,316,770 km (0.068 R)
• M10: 9,082,536 km (0.112 R)
• M11: 9,418,682 km (0.119 R)
• M12: 9,763,056 km (0.11 R)
• M13: 11,467,275 km (0.106 R)
• M14: 12,518,350 km (0.09 R)
• M15: 13,741,911 km (0.073 R)
• M16: 14,073,868 km (0.103 R)
• M17: 14,467,909 km (0.078 R)
• M18: 16,799,841 km (0.11 R)
• M19: 20,427,440 km (0.039 R)
• M20: 21,225,544 km (0.057 R)
• M21: 23,745,072 km (0.067 R)
• M22: 24,708,781 km (0.118 R)
• M23: 26,972,197 km (0.117 R)
• M24: 28,376,921 km (0.104 R)
• M25: 28,916,072 km (0.098 R)
• M26: 32,295,488 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.1

Radius: 7.3

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.93 AU - 6.31 AU

Year: 9196 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,138,761 km

• M1: 90,806 km (0.064 R)
• M2: 463,155 km (0.1 R)
• M3: 734,077 km (0.095 R)
• M4: 982,858 km (0.088 R)
• M5: 1,420,581 km (0.094 R)
• M6: 1,770,491 km (0.118 R)
• M7: 3,538,738 km (0.039 R)
• M8: 3,877,577 km (0.064 R)
• M9: 4,211,629 km (0.085 R)
• M10: 4,937,328 km (0.085 R)
• M11: 5,875,008 km (0.103 R)
• M12: 6,351,028 km (0.111 R)
• M13: 6,779,327 km (0.041 R)
• M14: 7,654,025 km (0.045 R)
• M15: 7,934,671 km (0.091 R)
• M16: 8,305,524 km (0.106 R)
• M17: 8,993,226 km (0.054 R)
• M18: 13,644,971 km (0.057 R)
• M19: 14,058,011 km (0.098 R)
• M20: 14,601,351 km (0.067 R)
• M21: 18,444,221 km (0.099 R)
• M22: 19,242,176 km (0.076 R)
• M23: 21,853,855 km (0.056 R)
• M24: 22,337,954 km (0.087 R)
• M25: 25,929,949 km (0.098 R)
• M26: 27,862,454 km (0.067 R)
• M27: 40,051,838 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.4

Radius: 4.5

Gravity: 29.75 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.93 AU - 13.07 AU

Year: 23485 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,138,761 km

• M1: 57,745 km (0.114 R)
• M2: 251,025 km (0.106 R)
• M3: 461,360 km (0.055 R)
• M4: 850,613 km (0.11 R)
• M5: 1,121,685 km (0.093 R)
• M6: 1,547,889 km (0.057 R)
• M7: 3,532,455 km (0.051 R)
• M8: 4,263,839 km (0.111 R)
• M9: 4,755,567 km (0.11 R)
• M10: 7,010,156 km (0.067 R)
• M11: 8,911,396 km (0.098 R)
• M12: 13,917,389 km (0.096 R)
• M13: 17,395,240 km (0.036 R)
• M14: 19,286,905 km (0.117 R)
• M15: 21,813,464 km (0.102 R)
• M16: 26,117,544 km (0.089 R)
• M17: 34,537,212 km (0.116 R)
• M18: 41,726,287 km (0.102 R)
• M19: 42,353,551 km (0.11 R)
• M20: 57,216,847 km (0.071 R)
• M21: 64,229,247 km (0.059 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: 401 - 10,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit