🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.7

Radius: 12.2

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 10.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 12,858,943 km

• M1: 153,487 km (0.094 R)
• M2: 539,600 km (0.102 R)
• M3: 1,033,272 km (0.057 R)
• M4: 1,603,091 km (0.063 R)
• M5: 2,058,168 km (0.083 R)
• M6: 3,448,081 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 12.3

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.58 AU - 0.74 AU

Year: 370 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,858,943 km

• M1: 153,039 km (0.069 R)
• M2: 551,418 km (0.113 R)
• M3: 993,629 km (0.101 R)
• M4: 1,421,180 km (0.082 R)
• M5: 1,895,106 km (0.1 R)
• M6: 2,283,761 km (0.107 R)
• M7: 2,736,295 km (0.087 R)
• M8: 3,214,858 km (0.057 R)
• M9: 3,711,673 km (0.112 R)
• M10: 4,218,810 km (0.106 R)
• M11: 4,669,099 km (0.067 R)
• M12: 5,135,994 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 11

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.71 AU - 0.91 AU

Year: 503 Days

Day: 8.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 12,858,943 km

• M1: 136,732 km (0.097 R)
• M2: 655,388 km (0.051 R)
• M3: 1,311,225 km (0.091 R)
• M4: 1,743,264 km (0.095 R)
• M5: 2,194,152 km (0.03 R)
• M6: 2,755,294 km (0.105 R)
• M7: 3,185,088 km (0.037 R)
• M8: 3,893,135 km (0.113 R)
• M9: 4,284,932 km (0.053 R)
• M10: 4,815,855 km (0.096 R)
• M11: 5,337,802 km (0.101 R)
• M12: 5,712,544 km (0.065 R)
• M13: 6,278,623 km (0.088 R)
• M14: 7,197,453 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.7

Radius: 11.9

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.11 AU - 1.59 AU

Year: 1083 Days

Day: 10 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 12,858,943 km

• M1: 178,769 km (0.102 R)
• M2: 574,905 km (0.084 R)
• M3: 984,952 km (0.107 R)
• M4: 1,606,232 km (0.105 R)
• M5: 2,236,787 km (0.103 R)
• M6: 3,798,888 km (0.091 R)
• M7: 4,214,770 km (0.077 R)
• M8: 4,791,470 km (0.085 R)
• M9: 5,883,983 km (0.114 R)
• M10: 6,605,793 km (0.071 R)
• M11: 7,461,942 km (0.054 R)
• M12: 7,930,333 km (0.03 R)
• M13: 9,276,115 km (0.085 R)
• M14: 9,910,709 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.6

Radius: 14.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.55 AU - 1.67 AU

Year: 1410 Days

Day: 12.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 12,858,943 km

• M1: 186,100 km (0.104 R)
• M2: 672,592 km (0.093 R)
• M3: 1,425,369 km (0.081 R)
• M4: 1,910,066 km (0.079 R)
• M5: 2,538,377 km (0.096 R)
• M6: 3,020,381 km (0.069 R)
• M7: 3,699,705 km (0.077 R)
• M8: 4,339,834 km (0.104 R)
• M9: 5,156,639 km (0.079 R)
• M10: 5,825,491 km (0.068 R)
• M11: 6,470,407 km (0.111 R)
• M12: 7,538,386 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.1

Radius: 14.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.7 AU - 2.16 AU

Year: 1851 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,858,943 km

• M1: 182,809 km (0.094 R)
• M2: 897,288 km (0.11 R)
• M3: 1,437,187 km (0.109 R)
• M4: 2,556,179 km (0.073 R)
• M5: 3,200,347 km (0.081 R)
• M6: 3,699,705 km (0.114 R)
• M7: 5,224,107 km (0.112 R)
• M8: 5,808,586 km (0.101 R)
• M9: 6,680,592 km (0.054 R)
• M10: 7,187,280 km (0.102 R)
• M11: 7,940,057 km (0.108 R)
• M12: 8,451,382 km (0.047 R)
• M13: 11,741,488 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.1

Radius: 13.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.2 AU - 3.34 AU

Year: 3182 Days

Day: 10.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 12,858,943 km

• M1: 172,935 km (0.109 R)
• M2: 734,376 km (0.071 R)
• M3: 1,355,058 km (0.067 R)
• M4: 3,039,230 km (0.111 R)
• M5: 4,736,568 km (0.041 R)
• M6: 5,902,833 km (0.027 R)
• M7: 7,156,613 km (0.04 R)
• M8: 7,813,048 km (0.115 R)
• M9: 10,391,068 km (0.052 R)
• M10: 14,754,240 km (0.036 R)
• M11: 15,928,732 km (0.028 R)
• M12: 17,629,660 km (0.111 R)
• M13: 20,146,345 km (0.086 R)
• M14: 22,270,336 km (0.092 R)
• M15: 22,754,285 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.2

Radius: 14

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.19 AU - 3.57 AU

Year: 3374 Days

Day: 11.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,858,943 km

• M1: 174,132 km (0.102 R)
• M2: 621,729 km (0.053 R)
• M3: 1,189,752 km (0.117 R)
• M4: 2,997,044 km (0.062 R)
• M5: 3,483,835 km (0.077 R)
• M6: 5,590,024 km (0.033 R)
• M7: 6,890,478 km (0.109 R)
• M8: 10,181,033 km (0.12 R)
• M9: 12,333,596 km (0.102 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: 317 - 11,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit