🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.9

Radius: 10.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.78 AU - 1.02 AU

Year: 579 Days

Day: 5.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,378,875 km

• M1: 131,347 km (0.084 R)
• M2: 572,511 km (0.095 R)
• M3: 929,152 km (0.035 R)
• M4: 1,426,416 km (0.069 R)
• M5: 2,552,439 km (0.093 R)
• M6: 3,019,035 km (0.105 R)
• M7: 3,384,951 km (0.112 R)
• M8: 4,650,399 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.4

Radius: 13.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.88 AU - 2.18 AU

Year: 1962 Days

Day: 10.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,378,875 km

• M1: 166,652 km (0.119 R)
• M2: 624,721 km (0.102 R)
• M3: 1,143,227 km (0.115 R)
• M4: 1,659,489 km (0.028 R)
• M5: 2,871,830 km (0.117 R)
• M6: 3,918,267 km (0.087 R)
• M7: 4,510,675 km (0.101 R)
• M8: 5,488,895 km (0.073 R)
• M9: 6,553,733 km (0.097 R)
• M10: 8,658,725 km (0.091 R)
• M11: 10,303,254 km (0.119 R)
• M12: 11,326,803 km (0.099 R)
• M13: 11,995,505 km (0.109 R)
• M14: 12,769,225 km (0.119 R)
• M15: 13,289,826 km (0.073 R)
• M16: 14,545,551 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.8

Radius: 14.9

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.74 AU - 2.42 AU

Year: 2035 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,378,875 km

• M1: 185,501 km (0.083 R)
• M2: 657,034 km (0.102 R)
• M3: 1,311,973 km (0.05 R)
• M4: 1,968,409 km (0.094 R)
• M5: 2,604,200 km (0.079 R)
• M6: 3,750,867 km (0.038 R)
• M7: 4,254,863 km (0.11 R)
• M8: 4,960,217 km (0.118 R)
• M9: 6,021,464 km (0.112 R)
• M10: 6,884,644 km (0.12 R)
• M11: 7,405,693 km (0.108 R)
• M12: 8,268,873 km (0.096 R)
• M13: 10,049,237 km (0.097 R)
• M14: 10,645,384 km (0.112 R)
• M15: 11,867,898 km (0.118 R)
• M16: 12,492,170 km (0.074 R)
• M17: 16,864,617 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 14.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.08 AU - 3.12 AU

Year: 3702 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,378,875 km

• M1: 185,352 km (0.073 R)
• M2: 670,049 km (0.038 R)
• M3: 1,273,078 km (0.114 R)
• M4: 1,810,583 km (0.053 R)
• M5: 2,460,586 km (0.091 R)
• M6: 3,150,830 km (0.065 R)
• M7: 4,101,525 km (0.075 R)
• M8: 5,515,225 km (0.11 R)
• M9: 6,078,012 km (0.084 R)
• M10: 7,176,808 km (0.032 R)
• M11: 7,909,688 km (0.115 R)
• M12: 8,789,324 km (0.072 R)
• M13: 9,320,695 km (0.117 R)
• M14: 10,050,583 km (0.073 R)
• M15: 10,558,319 km (0.119 R)
• M16: 11,159,552 km (0.12 R)
• M17: 13,929,507 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.4

Radius: 8

Gravity: 14.93 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.47 AU - 5.27 AU

Year: 7289 Days

Day: 5.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,378,875 km

• M1: 99,782 km (0.045 R)
• M2: 425,307 km (0.101 R)
• M3: 800,349 km (0.108 R)
• M4: 1,059,751 km (0.107 R)
• M5: 1,861,147 km (0.065 R)
• M6: 3,374,928 km (0.077 R)
• M7: 4,257,256 km (0.103 R)
• M8: 4,826,027 km (0.095 R)
• M9: 5,840,301 km (0.071 R)
• M10: 6,726,519 km (0.074 R)
• M11: 7,105,151 km (0.055 R)
• M12: 7,699,653 km (0.116 R)
• M13: 8,499,702 km (0.079 R)
• M14: 9,033,019 km (0.111 R)
• M15: 11,285,514 km (0.096 R)
• M16: 13,587,526 km (0.054 R)
• M17: 14,690,511 km (0.063 R)
• M18: 14,943,481 km (0.06 R)
• M19: 16,934,928 km (0.066 R)
• M20: 26,489,893 km (0.078 R)
• M21: 26,959,331 km (0.076 R)
• M22: 28,012,052 km (0.086 R)
• M23: 30,505,699 km (0.05 R)
• M24: 31,543,459 km (0.073 R)
• M25: 33,143,707 km (0.11 R)
• M26: 37,556,845 km (0.053 R)
• M27: 41,332,246 km (0.068 R)
• M28: 41,710,579 km (0.105 R)
• M29: 42,602,182 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.1

Radius: 4.5

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.52 AU - 9.92 AU

Year: 15984 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,378,875 km

• M1: 75,098 km (0.086 R)
• M2: 277,504 km (0.088 R)
• M3: 864,227 km (0.11 R)
• M4: 1,387,670 km (0.109 R)
• M5: 1,627,176 km (0.109 R)
• M6: 1,812,378 km (0.117 R)
• M7: 2,494,096 km (0.093 R)
• M8: 2,657,008 km (0.108 R)
• M9: 4,373,045 km (0.12 R)
• M10: 4,794,462 km (0.096 R)
• M11: 6,258,427 km (0.108 R)
• M12: 6,911,422 km (0.117 R)
• M13: 7,482,437 km (0.081 R)
• M14: 8,351,900 km (0.097 R)
• M15: 9,190,246 km (0.109 R)
• M16: 11,754,204 km (0.098 R)
• M17: 13,107,317 km (0.101 R)
• M18: 18,929,666 km (0.088 R)
• M19: 23,552,390 km (0.095 R)
• M20: 26,953,647 km (0.062 R)
• M21: 27,151,714 km (0.084 R)
• M22: 27,953,409 km (0.089 R)
• M23: 32,089,342 km (0.078 R)
• M24: 33,439,462 km (0.091 R)
• M25: 34,013,021 km (0.103 R)
• M26: 36,012,396 km (0.11 R)
• M27: 41,153,626 km (0.102 R)
• M28: 42,077,692 km (0.097 R)
• M29: 43,830,231 km (0.084 R)
• M30: 48,789,401 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 19,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit