🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.49 AU - 0.69 AU

Year: 293 Days

Day: 36.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,812,179 km

• M1: 13,913 km (0.089 R)
• M2: 48,470 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.5

Radius: 12.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.56 AU - 0.86 AU

Year: 386 Days

Day: 10.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 152.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,812,179 km

• M1: 159,172 km (0.03 R)
• M2: 672,143 km (0.083 R)
• M3: 1,149,809 km (0.105 R)
• M4: 1,754,633 km (0.113 R)
• M5: 2,248,157 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.1

Radius: 14.4

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.86 AU - 0.96 AU

Year: 561 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,812,179 km

• M1: 179,218 km (0.089 R)
• M2: 634,145 km (0.074 R)
• M3: 1,164,320 km (0.105 R)
• M4: 1,749,547 km (0.081 R)
• M5: 2,308,445 km (0.11 R)
• M6: 3,101,164 km (0.06 R)
• M7: 3,831,501 km (0.079 R)
• M8: 4,358,085 km (0.09 R)
• M9: 5,065,833 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 10.3

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.69 AU - 1.81 AU

Year: 1495 Days

Day: 7.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,812,179 km

• M1: 134,937 km (0.045 R)
• M2: 463,155 km (0.065 R)
• M3: 849,118 km (0.073 R)
• M4: 1,247,796 km (0.099 R)
• M5: 1,603,091 km (0.118 R)
• M6: 2,795,685 km (0.117 R)
• M7: 3,130,635 km (0.09 R)
• M8: 3,492,362 km (0.109 R)
• M9: 3,848,405 km (0.117 R)
• M10: 4,615,394 km (0.104 R)
• M11: 5,270,632 km (0.081 R)
• M12: 5,986,608 km (0.077 R)
• M13: 6,309,440 km (0.097 R)
• M14: 6,741,778 km (0.113 R)
• M15: 7,479,744 km (0.105 R)
• M16: 8,130,345 km (0.078 R)
• M17: 8,527,228 km (0.111 R)
• M18: 8,936,827 km (0.109 R)
• M19: 9,482,710 km (0.077 R)
• M20: 10,508,203 km (0.074 R)
• M21: 12,665,405 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.1

Radius: 10.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.64 AU - 2.3 AU

Year: 1785 Days

Day: 6.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,812,179 km

• M1: 133,142 km (0.103 R)
• M2: 479,162 km (0.082 R)
• M3: 1,200,972 km (0.11 R)
• M4: 1,538,465 km (0.089 R)
• M5: 2,012,839 km (0.109 R)
• M6: 2,382,047 km (0.092 R)
• M7: 3,310,750 km (0.115 R)
• M8: 3,687,887 km (0.096 R)
• M9: 4,465,496 km (0.115 R)
• M10: 4,808,973 km (0.08 R)
• M11: 5,421,277 km (0.076 R)
• M12: 5,870,520 km (0.049 R)
• M13: 6,951,364 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.5

Radius: 14.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.42 AU - 5.5 AU

Year: 7132 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,812,179 km

• M1: 191,934 km (0.061 R)
• M2: 1,234,182 km (0.105 R)
• M3: 1,863,541 km (0.087 R)
• M4: 3,212,614 km (0.085 R)
• M5: 4,187,693 km (0.109 R)
• M6: 5,634,604 km (0.12 R)
• M7: 6,403,088 km (0.102 R)
• M8: 7,052,642 km (0.061 R)
• M9: 7,825,614 km (0.12 R)
• M10: 9,725,507 km (0.077 R)
• M11: 10,487,409 km (0.112 R)
• M12: 11,084,753 km (0.031 R)
• M13: 11,599,968 km (0.093 R)
• M14: 13,414,291 km (0.108 R)
• M15: 13,940,577 km (0.092 R)
• M16: 14,848,187 km (0.119 R)
• M17: 17,119,382 km (0.08 R)
• M18: 18,089,674 km (0.059 R)
• M19: 19,688,277 km (0.069 R)
• M20: 21,143,116 km (0.045 R)
• M21: 21,856,847 km (0.106 R)
• M22: 22,916,000 km (0.054 R)
• M23: 23,416,256 km (0.069 R)
• M24: 25,048,817 km (0.114 R)
• M25: 26,390,411 km (0.104 R)
• M26: 28,062,915 km (0.108 R)
• M27: 28,732,066 km (0.062 R)
• M28: 30,002,900 km (0.093 R)
• M29: 30,602,040 km (0.063 R)
• M30: 33,184,697 km (0.075 R)
• M31: 38,310,968 km (0.098 R)
• M32: 40,453,059 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.4

Radius: 4.7

Gravity: 23.24 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.76 AU - 9.74 AU

Year: 15300 Days

Day: 18.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,812,179 km

• M1: 60,138 km (0.085 R)
• M2: 230,830 km (0.063 R)
• M3: 548,725 km (0.117 R)
• M4: 1,097,151 km (0.056 R)
• M5: 1,312,721 km (0.118 R)
• M6: 1,665,024 km (0.069 R)
• M7: 1,915,601 km (0.105 R)
• M8: 2,430,068 km (0.086 R)
• M9: 2,889,932 km (0.084 R)
• M10: 3,866,656 km (0.095 R)
• M11: 4,429,593 km (0.088 R)
• M12: 5,498,619 km (0.1 R)
• M13: 5,865,284 km (0.07 R)
• M14: 6,405,781 km (0.095 R)
• M15: 8,132,290 km (0.082 R)
• M16: 8,754,318 km (0.06 R)
• M17: 8,902,270 km (0.094 R)
• M18: 10,810,391 km (0.06 R)
• M19: 13,889,564 km (0.101 R)
• M20: 14,568,439 km (0.119 R)
• M21: 16,738,057 km (0.067 R)
• M22: 17,273,617 km (0.066 R)
• M23: 19,279,575 km (0.087 R)
• M24: 21,435,729 km (0.07 R)
• M25: 21,614,948 km (0.064 R)
• M26: 21,976,226 km (0.06 R)
• M27: 28,750,168 km (0.061 R)
• M28: 29,077,338 km (0.098 R)
• M29: 34,780,607 km (0.111 R)
• M30: 40,910,380 km (0.115 R)
• M31: 54,582,429 km (0.115 R)
• M32: 55,927,164 km (0.119 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: 288 - 18,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit