🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 12.9

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.28 AU - 1.8 AU

Year: 1215 Days

Day: 13.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,612,317 km

• M1: 161,865 km (0.102 R)
• M2: 570,865 km (0.026 R)
• M3: 1,110,615 km (0.08 R)
• M4: 1,657,245 km (0.075 R)
• M5: 2,310,390 km (0.061 R)
• M6: 2,891,577 km (0.12 R)
• M7: 3,946,392 km (0.065 R)
• M8: 4,801,792 km (0.092 R)
• M9: 5,516,272 km (0.071 R)
• M10: 6,184,077 km (0.085 R)
• M11: 6,805,806 km (0.096 R)
• M12: 7,234,703 km (0.047 R)
• M13: 8,035,949 km (0.119 R)
• M14: 8,631,348 km (0.117 R)
• M15: 9,104,526 km (0.078 R)
• M16: 11,139,057 km (0.118 R)
• M17: 11,629,589 km (0.1 R)
• M18: 12,429,489 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.8

Radius: 12

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.37 AU - 2.71 AU

Year: 2574 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,612,317 km

• M1: 150,795 km (0.072 R)
• M2: 526,136 km (0.103 R)
• M3: 2,549,597 km (0.104 R)
• M4: 3,202,142 km (0.059 R)
• M5: 3,890,891 km (0.081 R)
• M6: 4,278,649 km (0.101 R)
• M7: 5,883,834 km (0.104 R)
• M8: 6,458,140 km (0.119 R)
• M9: 7,650,435 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.1

Radius: 11.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.19 AU - 3.53 AU

Year: 3075 Days

Day: 6.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,612,317 km

• M1: 144,212 km (0.07 R)
• M2: 601,533 km (0.1 R)
• M3: 1,000,959 km (0.099 R)
• M4: 1,682,078 km (0.05 R)
• M5: 2,355,119 km (0.103 R)
• M6: 2,925,985 km (0.051 R)
• M7: 3,417,863 km (0.115 R)
• M8: 4,281,042 km (0.113 R)
• M9: 5,721,371 km (0.079 R)
• M10: 8,420,116 km (0.048 R)
• M11: 11,572,293 km (0.089 R)
• M12: 13,887,918 km (0.055 R)
• M13: 14,425,124 km (0.11 R)
• M14: 14,976,243 km (0.113 R)
• M15: 15,541,424 km (0.117 R)
• M16: 18,700,781 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 12.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.38 AU - 3.5 AU

Year: 3205 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,612,317 km

• M1: 159,471 km (0.082 R)
• M2: 980,315 km (0.108 R)
• M3: 1,442,572 km (0.053 R)
• M4: 2,363,048 km (0.042 R)
• M5: 2,970,715 km (0.034 R)
• M6: 3,831,800 km (0.091 R)
• M7: 4,437,222 km (0.07 R)
• M8: 5,612,763 km (0.107 R)
• M9: 10,655,707 km (0.118 R)
• M10: 12,404,057 km (0.11 R)
• M11: 13,686,560 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.8

Radius: 5.6

Gravity: 27 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.03 AU - 6.81 AU

Year: 10343 Days

Day: 20.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,612,317 km

• M1: 70,311 km (0.051 R)
• M2: 246,986 km (0.113 R)
• M3: 535,710 km (0.039 R)
• M4: 1,759,271 km (0.117 R)
• M5: 3,091,440 km (0.118 R)
• M6: 3,407,241 km (0.077 R)
• M7: 3,612,041 km (0.119 R)
• M8: 5,217,375 km (0.072 R)
• M9: 6,213,398 km (0.12 R)
• M10: 6,403,836 km (0.109 R)
• M11: 8,160,713 km (0.062 R)
• M12: 8,622,073 km (0.107 R)
• M13: 9,346,426 km (0.115 R)
• M14: 9,546,289 km (0.092 R)
• M15: 9,851,469 km (0.065 R)
• M16: 13,207,846 km (0.115 R)
• M17: 13,843,338 km (0.079 R)
• M18: 22,147,516 km (0.077 R)
• M19: 26,271,480 km (0.042 R)
• M20: 33,606,414 km (0.107 R)
• M21: 34,908,364 km (0.107 R)
• M22: 36,861,514 km (0.08 R)
• M23: 37,360,871 km (0.062 R)
• M24: 39,015,125 km (0.105 R)
• M25: 43,710,703 km (0.092 R)
• M26: 44,551,742 km (0.032 R)
• M27: 45,689,882 km (0.119 R)
• M28: 46,410,944 km (0.107 R)
• M29: 47,433,146 km (0.118 R)
• M30: 48,619,607 km (0.077 R)
• M31: 49,069,598 km (0.12 R)
• M32: 50,436,324 km (0.057 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 14,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit