🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 12.1

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.63 AU - 0.99 AU

Year: 494 Days

Day: 9.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,542,116 km

• M1: 151,243 km (0.071 R)
• M2: 774,468 km (0.081 R)
• M3: 1,262,157 km (0.102 R)
• M4: 1,921,285 km (0.116 R)
• M5: 2,307,697 km (0.097 R)
• M6: 2,746,617 km (0.111 R)
• M7: 3,313,294 km (0.069 R)
• M8: 3,742,340 km (0.067 R)
• M9: 4,470,882 km (0.077 R)
• M10: 4,980,861 km (0.114 R)
• M11: 5,935,296 km (0.119 R)
• M12: 6,688,820 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561

Radius: 13.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.16 AU - 1.5 AU

Year: 1040 Days

Day: 12.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,542,116 km

• M1: 164,258 km (0.038 R)
• M2: 615,595 km (0.075 R)
• M3: 1,126,173 km (0.027 R)
• M4: 1,543,850 km (0.052 R)
• M5: 2,489,159 km (0.061 R)
• M6: 3,033,097 km (0.057 R)
• M7: 3,467,529 km (0.073 R)
• M8: 4,037,796 km (0.084 R)
• M9: 4,775,912 km (0.093 R)
• M10: 6,699,741 km (0.086 R)
• M11: 7,181,595 km (0.103 R)
• M12: 7,662,104 km (0.084 R)
• M13: 8,112,842 km (0.115 R)
• M14: 8,768,380 km (0.072 R)
• M15: 9,487,347 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.7

Radius: 10.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.45 AU - 1.79 AU

Year: 1399 Days

Day: 6.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,542,116 km

• M1: 134,937 km (0.109 R)
• M2: 518,057 km (0.1 R)
• M3: 859,889 km (0.066 R)
• M4: 1,224,907 km (0.091 R)
• M5: 3,030,404 km (0.109 R)
• M6: 3,459,900 km (0.039 R)
• M7: 4,623,023 km (0.082 R)
• M8: 6,422,237 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.2

Radius: 3.7

Gravity: 15.79 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.76 AU - 6.48 AU

Year: 10269 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,542,116 km

• M1: 49,666 km (0.076 R)
• M2: 449,542 km (0.116 R)
• M3: 735,872 km (0.059 R)
• M4: 1,112,709 km (0.054 R)
• M5: 2,683,337 km (0.044 R)
• M6: 4,118,280 km (0.086 R)
• M7: 4,737,166 km (0.091 R)
• M8: 8,823,432 km (0.108 R)
• M9: 10,990,656 km (0.051 R)
• M10: 11,472,661 km (0.084 R)
• M11: 15,970,021 km (0.067 R)
• M12: 16,276,996 km (0.12 R)
• M13: 16,713,373 km (0.034 R)
• M14: 17,674,689 km (0.114 R)
• M15: 29,947,848 km (0.033 R)
• M16: 31,554,380 km (0.065 R)
• M17: 32,624,004 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662

Radius: 3.6

Gravity: 51.08 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.51 AU - 7.19 AU

Year: 10853 Days

Day: 24.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 25,542,116 km

• M1: 44,730 km (0.091 R)
• M2: 290,369 km (0.092 R)
• M3: 534,812 km (0.037 R)
• M4: 798,254 km (0.064 R)
• M5: 1,341,594 km (0.1 R)
• M6: 1,622,539 km (0.074 R)
• M7: 2,262,967 km (0.075 R)
• M8: 2,557,076 km (0.045 R)
• M9: 3,723,042 km (0.09 R)
• M10: 4,076,093 km (0.038 R)
• M11: 4,911,896 km (0.118 R)
• M12: 5,403,774 km (0.105 R)
• M13: 5,749,345 km (0.062 R)
• M14: 6,795,483 km (0.1 R)
• M15: 7,701,897 km (0.03 R)
• M16: 8,273,660 km (0.091 R)
• M17: 8,779,301 km (0.062 R)
• M18: 9,305,137 km (0.091 R)
• M19: 10,524,809 km (0.093 R)
• M20: 13,338,146 km (0.101 R)
• M21: 14,617,507 km (0.12 R)
• M22: 15,355,025 km (0.119 R)
• M23: 16,542,981 km (0.12 R)
• M24: 16,758,701 km (0.107 R)
• M25: 17,491,731 km (0.063 R)
• M26: 18,708,560 km (0.099 R)
• M27: 19,179,045 km (0.1 R)
• M28: 21,650,402 km (0.094 R)
• M29: 21,908,608 km (0.102 R)
• M30: 25,074,847 km (0.111 R)
• M31: 29,576,397 km (0.093 R)
• M32: 32,858,873 km (0.047 R)
• M33: 40,265,613 km (0.111 R)
• M34: 41,975,966 km (0.115 R)
• M35: 43,188,008 km (0.055 R)
• M36: 44,008,851 km (0.062 R)
• M37: 48,563,209 km (0.064 R)

Asteroid Belt

Center: 6.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.3

Radius: 4.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.18 AU - 7.92 AU

Year: 12696 Days

Day: 20.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,542,116 km

• M1: 54,753 km (0.101 R)
• M2: 252,521 km (0.107 R)
• M3: 407,056 km (0.096 R)
• M4: 682,765 km (0.077 R)
• M5: 978,968 km (0.074 R)
• M6: 2,346,443 km (0.045 R)
• M7: 7,151,526 km (0.069 R)
• M8: 10,299,365 km (0.084 R)
• M9: 16,780,393 km (0.118 R)
• M10: 17,187,898 km (0.069 R)
• M11: 19,643,696 km (0.118 R)
• M12: 21,976,077 km (0.092 R)
• M13: 24,264,176 km (0.095 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: 309 - 16,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit