🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.9

Radius: 10.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.25 AU - 1.89 AU

Year: 1334 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,088,196 km

• M1: 131,796 km (0.117 R)
• M2: 564,433 km (0.092 R)
• M3: 896,989 km (0.108 R)
• M4: 1,501,215 km (0.09 R)
• M5: 1,923,829 km (0.105 R)
• M6: 3,194,064 km (0.083 R)
• M7: 3,578,231 km (0.085 R)
• M8: 4,148,947 km (0.077 R)
• M9: 4,710,239 km (0.109 R)
• M10: 6,485,965 km (0.084 R)
• M11: 7,128,189 km (0.088 R)
• M12: 9,121,431 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.4

Radius: 11.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.33 AU - 1.87 AU

Year: 1373 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,088,196 km

• M1: 143,016 km (0.118 R)
• M2: 517,309 km (0.117 R)
• M3: 1,191,098 km (0.119 R)
• M4: 1,630,916 km (0.071 R)
• M5: 2,407,778 km (0.039 R)
• M6: 2,834,431 km (0.05 R)
• M7: 3,267,517 km (0.066 R)
• M8: 4,465,347 km (0.116 R)
• M9: 7,627,696 km (0.117 R)
• M10: 9,437,382 km (0.064 R)
• M11: 11,310,497 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.3

Radius: 11.7

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.57 AU - 3.75 AU

Year: 3810 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,088,196 km

• M1: 169,943 km (0.109 R)
• M2: 899,532 km (0.066 R)
• M3: 1,473,988 km (0.094 R)
• M4: 2,740,184 km (0.064 R)
• M5: 5,031,276 km (0.066 R)
• M6: 5,833,868 km (0.096 R)
• M7: 9,113,053 km (0.12 R)
• M8: 10,023,805 km (0.097 R)
• M9: 11,143,097 km (0.114 R)
• M10: 12,105,011 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 8.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.63 AU - 5.23 AU

Year: 7424 Days

Day: 7 Hours

Environment

Temp: -227 °C

Axial Tilt: 132.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,088,196 km

• M1: 105,766 km (0.081 R)
• M2: 479,611 km (0.104 R)
• M3: 777,759 km (0.108 R)
• M4: 1,095,206 km (0.116 R)
• M5: 1,373,009 km (0.086 R)
• M6: 1,972,598 km (0.099 R)
• M7: 2,979,541 km (0.097 R)
• M8: 3,402,903 km (0.1 R)
• M9: 3,865,908 km (0.076 R)
• M10: 4,246,485 km (0.074 R)
• M11: 4,678,075 km (0.107 R)
• M12: 8,135,731 km (0.049 R)
• M13: 10,651,069 km (0.1 R)
• M14: 11,936,265 km (0.051 R)
• M15: 12,796,602 km (0.105 R)
• M16: 14,136,101 km (0.104 R)
• M17: 15,390,180 km (0.09 R)
• M18: 16,531,612 km (0.111 R)
• M19: 18,249,145 km (0.078 R)
• M20: 22,035,617 km (0.096 R)
• M21: 23,096,565 km (0.113 R)
• M22: 28,738,349 km (0.09 R)
• M23: 30,279,955 km (0.049 R)
• M24: 30,650,659 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.1

Radius: 4.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.94 AU - 7.86 AU

Year: 12293 Days

Day: 17 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,088,196 km

• M1: 59,989 km (0.074 R)
• M2: 407,355 km (0.113 R)
• M3: 825,032 km (0.109 R)
• M4: 1,161,777 km (0.111 R)
• M5: 1,362,089 km (0.12 R)
• M6: 1,585,139 km (0.11 R)
• M7: 1,987,109 km (0.069 R)
• M8: 2,227,811 km (0.109 R)
• M9: 2,660,299 km (0.096 R)
• M10: 2,822,463 km (0.071 R)
• M11: 3,712,421 km (0.094 R)
• M12: 6,058,265 km (0.043 R)
• M13: 8,445,548 km (0.119 R)
• M14: 10,930,069 km (0.065 R)
• M15: 21,506,489 km (0.096 R)
• M16: 26,955,592 km (0.109 R)
• M17: 27,207,814 km (0.09 R)
• M18: 27,546,354 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.6

Radius: 5.2

Gravity: 22.4 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.79 AU - 8.61 AU

Year: 13104 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,088,196 km

• M1: 65,374 km (0.054 R)
• M2: 339,737 km (0.029 R)
• M3: 518,207 km (0.084 R)
• M4: 873,801 km (0.119 R)
• M5: 1,595,312 km (0.114 R)
• M6: 3,430,130 km (0.096 R)
• M7: 4,913,392 km (0.069 R)
• M8: 5,145,868 km (0.102 R)
• M9: 8,632,994 km (0.087 R)
• M10: 12,615,439 km (0.083 R)
• M11: 12,926,154 km (0.061 R)
• M12: 14,760,971 km (0.069 R)
• M13: 17,213,629 km (0.12 R)
• M14: 35,676,699 km (0.096 R)
• M15: 35,924,283 km (0.072 R)
• M16: 41,528,818 km (0.083 R)
• M17: 54,758,655 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 12,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit