🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 14.6

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.88 AU - 1.1 AU

Year: 680 Days

Day: 12.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 21,446,123 km

• M1: 181,761 km (0.036 R)
• M2: 1,724,863 km (0.102 R)
• M3: 2,627,238 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 10.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.8 AU - 1.34 AU

Year: 764 Days

Day: 10.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,446,123 km

• M1: 135,835 km (0.106 R)
• M2: 632,201 km (0.107 R)
• M3: 1,041,351 km (0.108 R)
• M4: 1,513,781 km (0.068 R)
• M5: 1,919,490 km (0.065 R)
• M6: 2,671,369 km (0.091 R)
• M7: 3,583,467 km (0.104 R)
• M8: 4,753,622 km (0.091 R)
• M9: 5,741,865 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 10.2

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.28 AU - 3.42 AU

Year: 4232 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 21,446,123 km

• M1: 126,859 km (0.117 R)
• M2: 484,697 km (0.041 R)
• M3: 804,238 km (0.111 R)
• M4: 1,166,115 km (0.079 R)
• M5: 1,566,738 km (0.114 R)
• M6: 2,326,696 km (0.102 R)
• M7: 2,686,329 km (0.085 R)
• M8: 3,666,195 km (0.118 R)
• M9: 4,018,348 km (0.114 R)
• M10: 4,817,051 km (0.111 R)
• M11: 5,378,343 km (0.098 R)
• M12: 6,825,253 km (0.069 R)
• M13: 9,297,508 km (0.053 R)
• M14: 10,211,102 km (0.082 R)
• M15: 10,689,965 km (0.043 R)
• M16: 11,833,790 km (0.08 R)
• M17: 12,313,550 km (0.093 R)
• M18: 16,512,613 km (0.113 R)
• M19: 17,112,052 km (0.112 R)
• M20: 17,788,084 km (0.118 R)
• M21: 21,297,650 km (0.078 R)
• M22: 22,514,629 km (0.117 R)
• M23: 22,881,144 km (0.07 R)
• M24: 25,243,893 km (0.077 R)
• M25: 26,687,961 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.5

Radius: 10

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.58 AU - 5.36 AU

Year: 7648 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,446,123 km

• M1: 125,812 km (0.102 R)
• M2: 613,052 km (0.077 R)
• M3: 1,059,003 km (0.1 R)
• M4: 2,533,141 km (0.116 R)
• M5: 3,093,086 km (0.071 R)
• M6: 3,425,941 km (0.111 R)
• M7: 4,270,570 km (0.117 R)
• M8: 5,372,359 km (0.096 R)
• M9: 6,617,761 km (0.114 R)
• M10: 7,098,120 km (0.099 R)
• M11: 9,530,581 km (0.086 R)
• M12: 10,733,198 km (0.117 R)
• M13: 11,659,658 km (0.115 R)
• M14: 12,694,427 km (0.096 R)
• M15: 13,205,602 km (0.078 R)
• M16: 14,148,069 km (0.107 R)
• M17: 15,580,469 km (0.078 R)
• M18: 16,298,688 km (0.027 R)
• M19: 19,769,209 km (0.067 R)
• M20: 26,080,294 km (0.087 R)
• M21: 27,467,216 km (0.091 R)
• M22: 29,688,445 km (0.098 R)
• M23: 32,867,999 km (0.038 R)
• M24: 40,502,128 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.5

Radius: 6.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.57 AU - 7.97 AU

Year: 12159 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,446,123 km

• M1: 111,301 km (0.068 R)
• M2: 363,972 km (0.081 R)
• M3: 773,122 km (0.102 R)
• M4: 980,016 km (0.042 R)
• M5: 1,261,260 km (0.111 R)
• M6: 1,595,760 km (0.045 R)
• M7: 1,838,259 km (0.074 R)
• M8: 2,312,185 km (0.073 R)
• M9: 2,655,362 km (0.06 R)
• M10: 3,278,587 km (0.058 R)
• M11: 4,512,620 km (0.102 R)
• M12: 5,221,265 km (0.057 R)
• M13: 6,028,944 km (0.118 R)
• M14: 8,563,431 km (0.095 R)
• M15: 11,903,503 km (0.049 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 15,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit