🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621

Radius: 14.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.74 AU - 1.1 AU

Year: 609 Days

Day: 13 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,828,125 km

• M1: 175,329 km (0.043 R)
• M2: 701,913 km (0.11 R)
• M3: 1,425,668 km (0.092 R)
• M4: 1,910,664 km (0.101 R)
• M5: 3,885,057 km (0.067 R)
• M6: 5,631,163 km (0.029 R)
• M7: 6,649,326 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.3

Radius: 11.5

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.57 AU - 1.59 AU

Year: 1371 Days

Day: 6.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,828,125 km

• M1: 143,016 km (0.091 R)
• M2: 815,458 km (0.1 R)
• M3: 1,511,986 km (0.09 R)
• M4: 2,266,109 km (0.086 R)
• M5: 3,343,662 km (0.029 R)
• M6: 4,721,159 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.6

Radius: 10.9

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.66 AU - 1.8 AU

Year: 1571 Days

Day: 12.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,828,125 km

• M1: 135,685 km (0.049 R)
• M2: 530,175 km (0.087 R)
• M3: 1,016,218 km (0.049 R)
• M4: 1,568,234 km (0.077 R)
• M5: 2,004,761 km (0.082 R)
• M6: 2,813,038 km (0.078 R)
• M7: 4,031,064 km (0.09 R)
• M8: 4,742,103 km (0.071 R)
• M9: 5,279,159 km (0.107 R)
• M10: 5,760,416 km (0.061 R)
• M11: 6,516,483 km (0.067 R)
• M12: 7,225,727 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.2

Radius: 12.8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.38 AU - 2.2 AU

Year: 1653 Days

Day: 7.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,828,125 km

• M1: 159,621 km (0.077 R)
• M2: 666,010 km (0.106 R)
• M3: 1,280,558 km (0.035 R)
• M4: 2,115,613 km (0.118 R)
• M5: 2,514,142 km (0.118 R)
• M6: 3,145,594 km (0.068 R)
• M7: 3,566,862 km (0.099 R)
• M8: 4,194,276 km (0.116 R)
• M9: 5,373,406 km (0.116 R)
• M10: 5,835,813 km (0.077 R)
• M11: 7,274,795 km (0.032 R)
• M12: 8,077,387 km (0.104 R)
• M13: 8,938,174 km (0.087 R)
• M14: 9,424,067 km (0.091 R)
• M15: 9,961,722 km (0.045 R)
• M16: 10,698,342 km (0.085 R)
• M17: 11,508,714 km (0.103 R)
• M18: 12,123,411 km (0.105 R)
• M19: 12,598,684 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.3

Radius: 12.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.69 AU - 2.19 AU

Year: 1865 Days

Day: 14.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,828,125 km

• M1: 160,967 km (0.087 R)
• M2: 779,405 km (0.115 R)
• M3: 1,255,575 km (0.11 R)
• M4: 1,906,774 km (0.06 R)
• M5: 2,407,628 km (0.117 R)
• M6: 2,847,595 km (0.07 R)
• M7: 3,575,539 km (0.066 R)
• M8: 3,984,240 km (0.055 R)
• M9: 4,524,139 km (0.102 R)
• M10: 4,982,507 km (0.088 R)
• M11: 5,494,730 km (0.097 R)
• M12: 6,418,497 km (0.081 R)
• M13: 7,330,296 km (0.116 R)
• M14: 9,645,921 km (0.087 R)
• M15: 11,590,394 km (0.065 R)
• M16: 12,614,691 km (0.119 R)
• M17: 13,232,380 km (0.065 R)
• M18: 13,655,443 km (0.112 R)
• M19: 14,528,646 km (0.104 R)
• M20: 14,979,085 km (0.05 R)
• M21: 15,766,120 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 13.8

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.48 AU - 4 AU

Year: 4026 Days

Day: 8.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,828,125 km

• M1: 278,252 km (0.052 R)
• M2: 839,244 km (0.045 R)
• M3: 1,340,696 km (0.097 R)
• M4: 3,034,593 km (0.097 R)
• M5: 3,974,815 km (0.089 R)
• M6: 4,903,369 km (0.093 R)
• M7: 5,560,104 km (0.113 R)
• M8: 7,505,026 km (0.026 R)
• M9: 11,374,674 km (0.116 R)
• M10: 11,882,708 km (0.108 R)
• M11: 15,971,069 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.3

Radius: 6.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.16 AU - 8.2 AU

Year: 16149 Days

Day: 18.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,828,125 km

• M1: 256,710 km (0.09 R)
• M2: 518,207 km (0.098 R)
• M3: 774,618 km (0.068 R)
• M4: 1,042,398 km (0.047 R)
• M5: 1,409,810 km (0.111 R)
• M6: 1,814,772 km (0.12 R)
• M7: 2,294,831 km (0.064 R)
• M8: 2,535,983 km (0.109 R)
• M9: 3,481,741 km (0.056 R)
• M10: 3,955,667 km (0.095 R)
• M11: 6,255,285 km (0.118 R)
• M12: 7,423,645 km (0.096 R)
• M13: 8,250,622 km (0.096 R)
• M14: 8,686,400 km (0.076 R)
• M15: 12,402,411 km (0.112 R)
• M16: 16,168,089 km (0.109 R)
• M17: 29,416,327 km (0.069 R)
• M18: 29,718,664 km (0.114 R)
• M19: 40,651,725 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.3

Radius: 7.4

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.84 AU - 11.38 AU

Year: 20563 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,828,125 km

• M1: 92,003 km (0.083 R)
• M2: 557,551 km (0.11 R)
• M3: 1,360,593 km (0.103 R)
• M4: 3,877,577 km (0.102 R)
• M5: 5,992,741 km (0.035 R)
• M6: 8,101,622 km (0.114 R)
• M7: 8,938,622 km (0.106 R)
• M8: 9,490,190 km (0.118 R)
• M9: 22,369,220 km (0.076 R)
• M10: 33,029,115 km (0.111 R)
• M11: 42,210,236 km (0.034 R)
• M12: 45,344,461 km (0.105 R)
• M13: 49,987,979 km (0.096 R)
• M14: 51,022,598 km (0.103 R)
• M15: 57,156,858 km (0.099 R)
• M16: 69,148,923 km (0.066 R)
• M17: 73,491,001 km (0.072 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 17,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit