🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.9

Radius: 9.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.71 AU - 0.85 AU

Year: 459 Days

Day: 6.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,911,001 km

• M1: 118,182 km (0.077 R)
• M2: 417,677 km (0.063 R)
• M3: 851,212 km (0.093 R)
• M4: 1,286,841 km (0.093 R)
• M5: 1,760,169 km (0.081 R)
• M6: 2,532,542 km (0.099 R)
• M7: 2,895,168 km (0.109 R)
• M8: 3,515,700 km (0.074 R)
• M9: 4,119,776 km (0.068 R)
• M10: 4,460,261 km (0.098 R)
• M11: 4,791,321 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.5

Radius: 8.7

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.87 AU - 4.55 AU

Year: 4765 Days

Day: 10.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,911,001 km

• M1: 111,750 km (0.118 R)
• M2: 435,779 km (0.04 R)
• M3: 966,851 km (0.113 R)
• M4: 2,019,122 km (0.108 R)
• M5: 2,439,642 km (0.073 R)
• M6: 2,831,140 km (0.083 R)
• M7: 6,977,843 km (0.07 R)
• M8: 7,804,072 km (0.092 R)
• M9: 9,221,063 km (0.053 R)
• M10: 12,556,048 km (0.055 R)
• M11: 12,938,121 km (0.066 R)
• M12: 14,544,204 km (0.117 R)
• M13: 19,703,835 km (0.099 R)
• M14: 20,613,091 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 13

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.33 AU - 4.77 AU

Year: 5435 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,911,001 km

• M1: 162,912 km (0.057 R)
• M2: 586,573 km (0.109 R)
• M3: 1,819,409 km (0.045 R)
• M4: 2,259,526 km (0.03 R)
• M5: 2,823,061 km (0.118 R)
• M6: 3,812,502 km (0.071 R)
• M7: 4,282,239 km (0.114 R)
• M8: 4,715,624 km (0.092 R)
• M9: 5,366,524 km (0.106 R)
• M10: 5,900,738 km (0.029 R)
• M11: 6,848,591 km (0.107 R)
• M12: 7,650,286 km (0.081 R)
• M13: 9,163,468 km (0.11 R)
• M14: 13,990,094 km (0.032 R)
• M15: 17,303,088 km (0.071 R)
• M16: 17,789,281 km (0.085 R)
• M17: 20,628,798 km (0.112 R)
• M18: 21,244,842 km (0.108 R)
• M19: 22,298,759 km (0.066 R)
• M20: 22,947,715 km (0.118 R)
• M21: 25,748,786 km (0.07 R)
• M22: 27,272,440 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.9

Radius: 5.8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.46 AU - 11.34 AU

Year: 23998 Days

Day: 20 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,911,001 km

• M1: 72,106 km (0.106 R)
• M2: 520,152 km (0.074 R)
• M3: 855,849 km (0.064 R)
• M4: 1,111,363 km (0.116 R)
• M5: 2,090,630 km (0.114 R)
• M6: 2,558,423 km (0.041 R)
• M7: 2,957,999 km (0.079 R)
• M8: 13,824,489 km (0.044 R)
• M9: 16,951,533 km (0.076 R)
• M10: 17,833,113 km (0.11 R)
• M11: 22,181,026 km (0.1 R)
• M12: 26,097,349 km (0.118 R)
• M13: 27,784,962 km (0.102 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: 259 - 12,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit