🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 14.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.51 AU - 0.57 AU

Year: 279 Days

Day: 10.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,347,056 km

• M1: 185,651 km (0.057 R)
• M2: 682,914 km (0.114 R)
• M3: 1,154,746 km (0.095 R)
• M4: 1,670,559 km (0.116 R)
• M5: 2,384,440 km (0.12 R)
• M6: 2,991,808 km (0.06 R)
• M7: 3,782,433 km (0.118 R)
• M8: 4,278,350 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.9

Radius: 11.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.57 AU - 0.75 AU

Year: 377 Days

Day: 12.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,347,056 km

• M1: 145,559 km (0.119 R)
• M2: 714,180 km (0.113 R)
• M3: 1,083,837 km (0.091 R)
• M4: 1,478,326 km (0.105 R)
• M5: 1,861,297 km (0.11 R)
• M6: 2,453,106 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.2

Radius: 10.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.23 AU - 1.23 AU

Year: 959 Days

Day: 7.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,347,056 km

• M1: 127,308 km (0.094 R)
• M2: 466,147 km (0.097 R)
• M3: 1,030,879 km (0.075 R)
• M4: 1,403,976 km (0.051 R)
• M5: 2,191,758 km (0.12 R)
• M6: 2,630,978 km (0.069 R)
• M7: 3,062,867 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.2

Radius: 10.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.68 AU - 2.54 AU

Year: 2154 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 92 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,347,056 km

• M1: 131,347 km (0.117 R)
• M2: 658,979 km (0.115 R)
• M3: 1,035,068 km (0.052 R)
• M4: 1,480,720 km (0.073 R)
• M5: 1,880,445 km (0.104 R)
• M6: 2,595,673 km (0.102 R)
• M7: 3,040,128 km (0.106 R)
• M8: 3,552,501 km (0.078 R)
• M9: 4,121,721 km (0.096 R)
• M10: 4,729,537 km (0.108 R)
• M11: 5,608,125 km (0.096 R)
• M12: 6,407,277 km (0.098 R)
• M13: 7,195,508 km (0.037 R)
• M14: 7,569,353 km (0.112 R)
• M15: 8,997,414 km (0.059 R)
• M16: 9,602,538 km (0.094 R)
• M17: 10,091,872 km (0.071 R)
• M18: 11,699,152 km (0.091 R)
• M19: 13,256,167 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 14.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.97 AU - 6.53 AU

Year: 8456 Days

Day: 9.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,347,056 km

• M1: 191,784 km (0.111 R)
• M2: 698,622 km (0.053 R)
• M3: 1,244,505 km (0.115 R)
• M4: 2,890,081 km (0.083 R)
• M5: 4,053,205 km (0.044 R)
• M6: 4,855,049 km (0.058 R)
• M7: 8,518,252 km (0.111 R)
• M8: 9,881,837 km (0.095 R)
• M9: 11,902,904 km (0.092 R)
• M10: 12,816,947 km (0.086 R)
• M11: 13,777,365 km (0.075 R)
• M12: 17,418,278 km (0.085 R)
• M13: 17,897,291 km (0.107 R)
• M14: 19,387,136 km (0.112 R)
• M15: 19,827,552 km (0.076 R)
• M16: 21,972,486 km (0.115 R)
• M17: 24,952,326 km (0.086 R)
• M18: 30,501,510 km (0.062 R)
• M19: 37,612,944 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.8

Radius: 4.7

Gravity: 44.04 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.15 AU - 8.31 AU

Year: 13665 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,347,056 km

• M1: 60,587 km (0.106 R)
• M2: 282,142 km (0.101 R)
• M3: 445,054 km (0.07 R)
• M4: 654,939 km (0.107 R)
• M5: 1,183,618 km (0.098 R)
• M6: 2,355,119 km (0.043 R)
• M7: 2,572,934 km (0.118 R)
• M8: 3,443,444 km (0.113 R)
• M9: 3,724,688 km (0.112 R)
• M10: 4,206,243 km (0.115 R)
• M11: 4,560,641 km (0.087 R)
• M12: 5,183,117 km (0.031 R)
• M13: 5,821,452 km (0.114 R)
• M14: 7,481,390 km (0.112 R)
• M15: 8,344,569 km (0.055 R)
• M16: 10,730,206 km (0.032 R)
• M17: 12,529,420 km (0.108 R)
• M18: 12,992,126 km (0.08 R)
• M19: 16,242,140 km (0.025 R)
• M20: 16,633,787 km (0.077 R)
• M21: 17,435,632 km (0.042 R)
• M22: 20,536,048 km (0.089 R)
• M23: 20,901,665 km (0.077 R)
• M24: 22,120,140 km (0.034 R)
• M25: 23,286,105 km (0.113 R)
• M26: 26,165,116 km (0.111 R)
• M27: 29,387,903 km (0.066 R)
• M28: 31,274,482 km (0.089 R)
• M29: 33,365,860 km (0.096 R)
• M30: 37,416,073 km (0.079 R)
• M31: 39,067,933 km (0.093 R)
• M32: 51,676,640 km (0.119 R)
• M33: 52,863,848 km (0.077 R)
• M34: 53,378,166 km (0.118 R)
• M35: 54,069,158 km (0.108 R)
• M36: 54,591,255 km (0.074 R)
• M37: 55,822,595 km (0.093 R)
• M38: 60,184,869 km (0.094 R)
• M39: 63,989,143 km (0.104 R)
• M40: 64,183,470 km (0.1 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 16,032 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit