🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.3

Radius: 11.4

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.02 AU - 2.08 AU

Year: 1957 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,668,777 km

• M1: 144,512 km (0.038 R)
• M2: 538,852 km (0.041 R)
• M3: 1,083,089 km (0.106 R)
• M4: 1,865,336 km (0.105 R)
• M5: 2,250,700 km (0.105 R)
• M6: 2,617,215 km (0.107 R)
• M7: 3,218,299 km (0.093 R)
• M8: 4,024,332 km (0.104 R)
• M9: 4,675,831 km (0.111 R)
• M10: 5,349,171 km (0.039 R)
• M11: 5,984,214 km (0.098 R)
• M12: 6,641,547 km (0.112 R)
• M13: 8,131,841 km (0.108 R)
• M14: 9,174,089 km (0.116 R)
• M15: 9,727,751 km (0.113 R)
• M16: 13,930,554 km (0.1 R)
• M17: 14,477,184 km (0.118 R)
• M18: 15,276,037 km (0.09 R)
• M19: 16,554,351 km (0.112 R)
• M20: 17,323,433 km (0.115 R)

Asteroid Belt

Center: 2.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.1

Radius: 11.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.76 AU - 3.1 AU

Year: 3344 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,668,777 km

• M1: 147,055 km (0.052 R)
• M2: 716,424 km (0.047 R)
• M3: 1,245,253 km (0.098 R)
• M4: 1,712,148 km (0.046 R)
• M5: 2,798,976 km (0.051 R)
• M6: 3,845,114 km (0.095 R)
• M7: 4,438,120 km (0.03 R)
• M8: 5,091,264 km (0.099 R)
• M9: 6,407,426 km (0.104 R)
• M10: 7,731,218 km (0.1 R)
• M11: 8,180,161 km (0.067 R)
• M12: 9,463,262 km (0.084 R)
• M13: 10,619,354 km (0.102 R)
• M14: 11,364,501 km (0.066 R)
• M15: 11,867,150 km (0.059 R)
• M16: 13,593,809 km (0.087 R)
• M17: 14,072,522 km (0.084 R)
• M18: 16,148,941 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.9

Radius: 13.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.37 AU - 3.97 AU

Year: 4688 Days

Day: 8.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,668,777 km

• M1: 169,644 km (0.075 R)
• M2: 642,523 km (0.041 R)
• M3: 1,191,098 km (0.096 R)
• M4: 1,693,149 km (0.068 R)
• M5: 2,887,089 km (0.088 R)
• M6: 3,504,031 km (0.083 R)
• M7: 4,229,431 km (0.087 R)
• M8: 4,932,541 km (0.116 R)
• M9: 5,401,082 km (0.096 R)
• M10: 6,399,947 km (0.089 R)
• M11: 6,868,487 km (0.069 R)
• M12: 9,717,429 km (0.093 R)
• M13: 10,180,584 km (0.115 R)
• M14: 10,902,992 km (0.043 R)
• M15: 11,361,210 km (0.1 R)
• M16: 11,788,911 km (0.108 R)
• M17: 12,450,582 km (0.052 R)
• M18: 13,183,612 km (0.087 R)
• M19: 14,287,644 km (0.109 R)
• M20: 15,245,369 km (0.104 R)
• M21: 16,353,142 km (0.044 R)
• M22: 16,844,122 km (0.058 R)
• M23: 18,317,960 km (0.107 R)
• M24: 19,876,171 km (0.105 R)
• M25: 20,310,454 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.2

Radius: 11.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.38 AU - 4.44 AU

Year: 5156 Days

Day: 14 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,668,777 km

• M1: 140,472 km (0.088 R)
• M2: 694,733 km (0.053 R)
• M3: 1,390,662 km (0.03 R)
• M4: 2,039,617 km (0.109 R)
• M5: 2,476,443 km (0.069 R)
• M6: 3,110,439 km (0.094 R)
• M7: 3,693,123 km (0.113 R)
• M8: 4,081,628 km (0.067 R)
• M9: 5,022,898 km (0.108 R)
• M10: 7,691,126 km (0.089 R)
• M11: 9,041,097 km (0.066 R)
• M12: 9,836,958 km (0.104 R)
• M13: 11,188,275 km (0.063 R)
• M14: 12,155,425 km (0.11 R)
• M15: 16,465,490 km (0.092 R)
• M16: 17,334,204 km (0.061 R)
• M17: 18,430,009 km (0.115 R)
• M18: 19,502,925 km (0.1 R)
• M19: 20,194,366 km (0.117 R)
• M20: 20,759,248 km (0.106 R)
• M21: 23,201,583 km (0.109 R)
• M22: 23,977,846 km (0.088 R)
• M23: 27,774,191 km (0.087 R)
• M24: 28,297,335 km (0.059 R)
• M25: 29,543,186 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.3

Radius: 8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.39 AU - 9.53 AU

Year: 16409 Days

Day: 20.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,668,777 km

• M1: 100,081 km (0.079 R)
• M2: 530,324 km (0.088 R)
• M3: 1,177,186 km (0.079 R)
• M4: 1,546,393 km (0.08 R)
• M5: 1,844,991 km (0.076 R)
• M6: 2,254,141 km (0.082 R)
• M7: 3,907,496 km (0.08 R)
• M8: 4,765,590 km (0.068 R)
• M9: 5,239,217 km (0.065 R)
• M10: 5,848,678 km (0.094 R)
• M11: 9,046,931 km (0.09 R)
• M12: 11,123,798 km (0.119 R)
• M13: 12,831,608 km (0.114 R)
• M14: 13,315,108 km (0.051 R)
• M15: 15,642,253 km (0.084 R)
• M16: 16,124,406 km (0.041 R)
• M17: 19,071,485 km (0.107 R)
• M18: 20,836,590 km (0.11 R)
• M19: 21,673,740 km (0.096 R)
• M20: 22,014,823 km (0.119 R)
• M21: 26,488,996 km (0.091 R)
• M22: 28,886,750 km (0.095 R)
• M23: 31,534,184 km (0.086 R)
• M24: 32,637,169 km (0.086 R)
• M25: 40,698,400 km (0.106 R)
• M26: 47,512,433 km (0.108 R)
• M27: 47,943,874 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 15,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit