🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.6

Radius: 8.3

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.08 AU - 3.88 AU

Year: 4128 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,967,629 km

• M1: 103,372 km (0.113 R)
• M2: 523,293 km (0.043 R)
• M3: 966,851 km (0.111 R)
• M4: 1,503,459 km (0.078 R)
• M5: 2,753,050 km (0.115 R)
• M6: 3,201,095 km (0.093 R)
• M7: 3,484,434 km (0.092 R)
• M8: 4,148,499 km (0.112 R)
• M9: 4,687,350 km (0.103 R)
• M10: 5,411,254 km (0.059 R)
• M11: 8,751,027 km (0.098 R)
• M12: 10,058,362 km (0.097 R)
• M13: 17,268,830 km (0.056 R)
• M14: 20,671,135 km (0.117 R)
• M15: 26,246,647 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.3

Radius: 10.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.25 AU - 4.37 AU

Year: 5689 Days

Day: 12.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,967,629 km

• M1: 131,796 km (0.036 R)
• M2: 515,664 km (0.064 R)
• M3: 991,535 km (0.095 R)
• M4: 1,353,262 km (0.104 R)
• M5: 1,922,333 km (0.066 R)
• M6: 2,401,644 km (0.091 R)
• M7: 3,581,971 km (0.098 R)
• M8: 5,892,810 km (0.118 R)
• M9: 6,685,678 km (0.052 R)
• M10: 7,722,242 km (0.062 R)
• M11: 8,371,497 km (0.078 R)
• M12: 9,253,526 km (0.115 R)
• M13: 10,452,702 km (0.066 R)
• M14: 11,521,130 km (0.101 R)
• M15: 16,472,072 km (0.056 R)
• M16: 17,978,672 km (0.083 R)
• M17: 21,194,428 km (0.049 R)
• M18: 23,121,099 km (0.086 R)
• M19: 27,237,733 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.4

Radius: 10.7

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.96 AU - 5.74 AU

Year: 7868 Days

Day: 13.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,967,629 km

• M1: 134,788 km (0.109 R)
• M2: 482,453 km (0.096 R)
• M3: 874,549 km (0.094 R)
• M4: 1,247,347 km (0.115 R)
• M5: 1,596,957 km (0.06 R)
• M6: 2,449,067 km (0.071 R)
• M7: 2,869,886 km (0.117 R)
• M8: 3,694,469 km (0.118 R)
• M9: 4,125,311 km (0.051 R)
• M10: 5,233,233 km (0.104 R)
• M11: 6,327,092 km (0.03 R)
• M12: 6,840,213 km (0.116 R)
• M13: 7,233,955 km (0.078 R)
• M14: 7,756,949 km (0.097 R)
• M15: 8,185,397 km (0.069 R)
• M16: 11,146,238 km (0.113 R)
• M17: 12,204,793 km (0.12 R)
• M18: 13,219,216 km (0.084 R)
• M19: 14,697,243 km (0.116 R)
• M20: 15,233,551 km (0.074 R)
• M21: 18,386,476 km (0.111 R)
• M22: 19,149,724 km (0.12 R)
• M23: 20,517,946 km (0.112 R)
• M24: 21,038,098 km (0.103 R)
• M25: 24,262,979 km (0.117 R)
• M26: 27,176,248 km (0.057 R)
• M27: 32,872,487 km (0.117 R)
• M28: 35,252,140 km (0.066 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.6

Radius: 6.3

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.22 AU - 6.26 AU

Year: 9911 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,967,629 km

• M1: 78,539 km (0.036 R)
• M2: 537,356 km (0.09 R)
• M3: 1,042,996 km (0.111 R)
• M4: 1,514,978 km (0.119 R)
• M5: 2,014,036 km (0.117 R)
• M6: 3,068,701 km (0.082 R)
• M7: 3,334,237 km (0.069 R)
• M8: 4,579,340 km (0.113 R)
• M9: 5,177,433 km (0.093 R)
• M10: 5,495,478 km (0.065 R)
• M11: 6,170,613 km (0.045 R)
• M12: 12,014,654 km (0.105 R)
• M13: 13,959,576 km (0.084 R)
• M14: 20,247,473 km (0.027 R)
• M15: 24,240,540 km (0.094 R)
• M16: 30,556,711 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.6

Radius: 4.5

Gravity: 38.05 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.15 AU - 10.73 AU

Year: 18441 Days

Day: 22.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,967,629 km

• M1: 55,950 km (0.071 R)
• M2: 205,847 km (0.119 R)
• M3: 374,443 km (0.098 R)
• M4: 594,502 km (0.108 R)
• M5: 943,813 km (0.108 R)
• M6: 1,613,862 km (0.068 R)
• M7: 1,998,777 km (0.112 R)
• M8: 2,556,927 km (0.089 R)
• M9: 4,672,689 km (0.101 R)
• M10: 5,032,323 km (0.113 R)
• M11: 7,300,077 km (0.088 R)
• M12: 7,443,092 km (0.102 R)
• M13: 7,734,659 km (0.078 R)
• M14: 8,444,650 km (0.042 R)
• M15: 8,655,134 km (0.105 R)
• M16: 9,196,978 km (0.103 R)
• M17: 9,419,879 km (0.107 R)
• M18: 9,646,519 km (0.091 R)
• M19: 10,895,961 km (0.078 R)
• M20: 18,521,114 km (0.076 R)
• M21: 19,878,266 km (0.115 R)
• M22: 21,494,970 km (0.108 R)
• M23: 22,687,714 km (0.08 R)
• M24: 25,531,121 km (0.088 R)
• M25: 28,133,226 km (0.097 R)
• M26: 33,857,439 km (0.066 R)
• M27: 37,980,805 km (0.03 R)
• M28: 44,774,344 km (0.111 R)
• M29: 46,386,560 km (0.102 R)
• M30: 55,766,047 km (0.089 R)
• M31: 61,880,112 km (0.106 R)
• M32: 69,062,156 km (0.078 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: 381 - 15,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit