🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 14

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.33 AU - 1.49 AU

Year: 1177 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,305,464 km

• M1: 174,132 km (0.105 R)
• M2: 663,616 km (0.109 R)
• M3: 1,197,082 km (0.039 R)
• M4: 1,782,758 km (0.111 R)
• M5: 2,683,487 km (0.12 R)
• M6: 3,158,759 km (0.039 R)
• M7: 3,953,423 km (0.057 R)
• M8: 4,462,654 km (0.098 R)
• M9: 4,975,924 km (0.108 R)
• M10: 5,942,027 km (0.107 R)
• M11: 6,517,680 km (0.079 R)
• M12: 7,568,755 km (0.081 R)
• M13: 8,135,282 km (0.101 R)
• M14: 9,911,757 km (0.083 R)
• M15: 10,361,149 km (0.12 R)
• M16: 11,300,922 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.3

Radius: 13

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.36 AU - 1.54 AU

Year: 1227 Days

Day: 8.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,305,464 km

• M1: 161,715 km (0.102 R)
• M2: 636,838 km (0.118 R)
• M3: 1,206,956 km (0.054 R)
• M4: 1,657,096 km (0.104 R)
• M5: 2,407,628 km (0.119 R)
• M6: 2,874,523 km (0.057 R)
• M7: 3,280,831 km (0.069 R)
• M8: 4,355,243 km (0.047 R)
• M9: 4,912,495 km (0.118 R)
• M10: 5,555,467 km (0.074 R)
• M11: 6,048,392 km (0.104 R)
• M12: 6,942,837 km (0.095 R)
• M13: 7,468,973 km (0.078 R)
• M14: 9,021,051 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.1

Radius: 12.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.86 AU - 2.92 AU

Year: 2597 Days

Day: 9.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,305,464 km

• M1: 160,519 km (0.078 R)
• M2: 569,220 km (0.087 R)
• M3: 1,240,466 km (0.078 R)
• M4: 1,785,899 km (0.091 R)
• M5: 3,703,445 km (0.05 R)
• M6: 4,174,977 km (0.079 R)
• M7: 4,577,246 km (0.031 R)
• M8: 5,943,673 km (0.062 R)
• M9: 7,955,016 km (0.092 R)
• M10: 9,378,291 km (0.072 R)
• M11: 10,042,206 km (0.11 R)
• M12: 10,705,074 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 13.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.3 AU - 3.2 AU

Year: 3206 Days

Day: 13 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,305,464 km

• M1: 169,195 km (0.109 R)
• M2: 599,439 km (0.115 R)
• M3: 1,032,225 km (0.073 R)
• M4: 1,576,762 km (0.113 R)
• M5: 2,112,023 km (0.078 R)
• M6: 2,709,965 km (0.055 R)
• M7: 3,318,081 km (0.096 R)
• M8: 3,828,359 km (0.101 R)
• M9: 4,390,847 km (0.097 R)
• M10: 5,756,376 km (0.09 R)
• M11: 7,388,489 km (0.073 R)
• M12: 7,985,534 km (0.054 R)
• M13: 12,477,360 km (0.117 R)
• M14: 12,981,954 km (0.08 R)
• M15: 15,471,561 km (0.114 R)
• M16: 16,005,327 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.8

Radius: 13.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.72 AU - 6.02 AU

Year: 8747 Days

Day: 11.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,305,464 km

• M1: 163,211 km (0.1 R)
• M2: 651,798 km (0.111 R)
• M3: 1,491,192 km (0.083 R)
• M4: 1,904,082 km (0.076 R)
• M5: 4,771,424 km (0.081 R)
• M6: 6,947,774 km (0.119 R)
• M7: 7,695,913 km (0.1 R)
• M8: 8,996,367 km (0.051 R)
• M9: 10,788,699 km (0.109 R)
• M10: 11,887,047 km (0.091 R)
• M11: 15,745,026 km (0.111 R)
• M12: 16,382,014 km (0.112 R)
• M13: 20,232,364 km (0.08 R)
• M14: 21,757,664 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.3

Radius: 3.9

Gravity: 21.19 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.16 AU - 7.22 AU

Year: 10825 Days

Day: 23.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,305,464 km

• M1: 49,517 km (0.035 R)
• M2: 206,295 km (0.084 R)
• M3: 362,625 km (0.028 R)
• M4: 577,747 km (0.095 R)
• M5: 707,149 km (0.06 R)
• M6: 1,046,138 km (0.091 R)
• M7: 2,413,163 km (0.094 R)
• M8: 2,734,350 km (0.11 R)
• M9: 4,150,294 km (0.11 R)
• M10: 5,317,456 km (0.078 R)
• M11: 6,298,968 km (0.054 R)
• M12: 6,544,308 km (0.09 R)
• M13: 7,629,043 km (0.11 R)
• M14: 8,234,615 km (0.114 R)
• M15: 10,052,678 km (0.058 R)
• M16: 10,436,247 km (0.106 R)
• M17: 13,456,029 km (0.112 R)
• M18: 15,382,999 km (0.101 R)
• M19: 15,699,848 km (0.089 R)
• M20: 16,150,586 km (0.096 R)
• M21: 16,610,001 km (0.112 R)
• M22: 17,486,196 km (0.052 R)
• M23: 20,757,153 km (0.074 R)
• M24: 27,537,228 km (0.097 R)
• M25: 28,098,220 km (0.107 R)
• M26: 29,436,822 km (0.11 R)
• M27: 31,421,836 km (0.078 R)
• M28: 33,072,798 km (0.068 R)
• M29: 35,326,041 km (0.085 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: 328 - 15,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit