🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 12.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.58 AU - 0.76 AU

Year: 372 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,948,232 km

• M1: 157,975 km (0.095 R)
• M2: 714,031 km (0.112 R)
• M3: 1,171,950 km (0.072 R)
• M4: 1,787,246 km (0.079 R)
• M5: 2,204,325 km (0.062 R)
• M6: 2,696,801 km (0.103 R)
• M7: 3,100,715 km (0.082 R)
• M8: 3,627,449 km (0.119 R)
• M9: 4,096,588 km (0.1 R)
• M10: 4,747,339 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 9.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.91 AU - 0.95 AU

Year: 608 Days

Day: 12.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,948,232 km

• M1: 122,072 km (0.089 R)
• M2: 452,833 km (0.028 R)
• M3: 761,154 km (0.08 R)
• M4: 1,082,939 km (0.086 R)
• M5: 1,424,022 km (0.101 R)
• M6: 1,951,055 km (0.073 R)
• M7: 2,493,946 km (0.054 R)
• M8: 3,323,317 km (0.1 R)
• M9: 4,399,075 km (0.12 R)
• M10: 4,712,632 km (0.046 R)
• M11: 5,452,244 km (0.096 R)
• M12: 5,957,137 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.4

Radius: 10.6

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.61 AU - 2.11 AU

Year: 1721 Days

Day: 5.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,948,232 km

• M1: 132,095 km (0.091 R)
• M2: 558,449 km (0.096 R)
• M3: 973,583 km (0.032 R)
• M4: 1,336,807 km (0.11 R)
• M5: 1,676,693 km (0.119 R)
• M6: 2,748,562 km (0.114 R)
• M7: 3,307,609 km (0.071 R)
• M8: 3,757,300 km (0.089 R)
• M9: 4,346,716 km (0.118 R)
• M10: 4,866,120 km (0.05 R)
• M11: 6,029,393 km (0.11 R)
• M12: 7,927,191 km (0.099 R)
• M13: 8,544,881 km (0.092 R)
• M14: 10,445,671 km (0.075 R)
• M15: 11,611,637 km (0.041 R)
• M16: 12,246,231 km (0.106 R)
• M17: 13,326,777 km (0.089 R)
• M18: 13,934,443 km (0.105 R)
• M19: 14,834,274 km (0.096 R)
• M20: 16,452,475 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.3

Radius: 6.6

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.97 AU - 9.35 AU

Year: 14379 Days

Day: 15.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,948,232 km

• M1: 104,270 km (0.034 R)
• M2: 435,031 km (0.065 R)
• M3: 674,836 km (0.095 R)
• M4: 964,158 km (0.091 R)
• M5: 1,248,843 km (0.111 R)
• M6: 1,560,904 km (0.117 R)
• M7: 1,797,119 km (0.116 R)
• M8: 3,126,745 km (0.078 R)
• M9: 3,480,394 km (0.099 R)
• M10: 5,330,172 km (0.056 R)
• M11: 8,445,548 km (0.101 R)
• M12: 11,251,555 km (0.058 R)
• M13: 12,775,359 km (0.077 R)
• M14: 16,998,208 km (0.027 R)
• M15: 18,691,057 km (0.111 R)
• M16: 19,227,814 km (0.105 R)
• M17: 30,625,377 km (0.058 R)
• M18: 32,347,847 km (0.119 R)
• M19: 38,513,523 km (0.099 R)
• M20: 40,010,699 km (0.115 R)
• M21: 40,645,891 km (0.113 R)
• M22: 41,546,321 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 18,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit