🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.4

Radius: 9.5

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.46 AU - 0.66 AU

Year: 284 Days

Day: 14.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,160,478 km

• M1: 119,529 km (0.086 R)
• M2: 452,982 km (0.086 R)
• M3: 769,232 km (0.11 R)
• M4: 1,187,657 km (0.108 R)
• M5: 1,524,253 km (0.036 R)
• M6: 2,346,443 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 8.6

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 6.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,160,478 km

• M1: 106,962 km (0.026 R)
• M2: 536,308 km (0.067 R)
• M3: 895,642 km (0.093 R)
• M4: 1,193,791 km (0.114 R)
• M5: 1,681,929 km (0.075 R)
• M6: 1,983,518 km (0.037 R)
• M7: 2,369,481 km (0.083 R)
• M8: 2,822,912 km (0.091 R)
• M9: 3,153,523 km (0.096 R)
• M10: 3,436,413 km (0.104 R)
• M11: 3,714,216 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.2

Radius: 11.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.62 AU - 0.76 AU

Year: 389 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,160,478 km

• M1: 147,055 km (0.113 R)
• M2: 592,408 km (0.11 R)
• M3: 967,300 km (0.079 R)
• M4: 1,353,562 km (0.119 R)
• M5: 1,766,900 km (0.116 R)
• M6: 2,282,116 km (0.083 R)
• M7: 2,837,124 km (0.1 R)
• M8: 3,759,694 km (0.06 R)
• M9: 4,168,245 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.3

Radius: 13.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.36 AU - 1.44 AU

Year: 1124 Days

Day: 12.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,160,478 km

• M1: 172,935 km (0.091 R)
• M2: 609,462 km (0.104 R)
• M3: 1,244,505 km (0.093 R)
• M4: 1,823,598 km (0.115 R)
• M5: 2,607,940 km (0.105 R)
• M6: 3,306,562 km (0.085 R)
• M7: 3,760,142 km (0.051 R)
• M8: 4,696,775 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.8

Radius: 11

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.34 AU - 1.9 AU

Year: 1399 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,160,478 km

• M1: 136,732 km (0.087 R)
• M2: 662,719 km (0.042 R)
• M3: 1,023,100 km (0.1 R)
• M4: 1,368,671 km (0.112 R)
• M5: 1,824,944 km (0.099 R)
• M6: 2,655,213 km (0.101 R)
• M7: 4,444,852 km (0.073 R)
• M8: 5,083,336 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 12.5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.48 AU - 5.8 AU

Year: 6779 Days

Day: 12.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,160,478 km

• M1: 174,132 km (0.105 R)
• M2: 771,177 km (0.034 R)
• M3: 2,363,796 km (0.108 R)
• M4: 2,787,906 km (0.115 R)
• M5: 4,151,640 km (0.066 R)
• M6: 4,884,520 km (0.098 R)
• M7: 8,263,637 km (0.054 R)
• M8: 11,463,685 km (0.044 R)
• M9: 12,586,866 km (0.032 R)
• M10: 14,639,498 km (0.097 R)
• M11: 21,214,923 km (0.099 R)
• M12: 22,357,851 km (0.096 R)
• M13: 23,783,069 km (0.119 R)
• M14: 26,119,190 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.5

Radius: 8.8

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.03 AU - 6.11 AU

Year: 7743 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,160,478 km

• M1: 111,899 km (0.071 R)
• M2: 551,119 km (0.091 R)
• M3: 918,830 km (0.059 R)
• M4: 1,244,804 km (0.119 R)
• M5: 1,552,975 km (0.092 R)
• M6: 1,851,274 km (0.025 R)
• M7: 2,256,833 km (0.059 R)
• M8: 2,760,530 km (0.091 R)
• M9: 3,314,790 km (0.064 R)
• M10: 4,149,396 km (0.094 R)
• M11: 4,730,883 km (0.118 R)
• M12: 5,886,676 km (0.088 R)
• M13: 6,476,840 km (0.055 R)
• M14: 7,067,602 km (0.042 R)
• M15: 8,103,717 km (0.119 R)
• M16: 9,012,075 km (0.103 R)
• M17: 9,375,299 km (0.101 R)
• M18: 9,701,272 km (0.062 R)
• M19: 13,215,326 km (0.085 R)
• M20: 15,544,715 km (0.092 R)
• M21: 15,870,389 km (0.088 R)
• M22: 16,400,863 km (0.069 R)
• M23: 20,218,751 km (0.06 R)
• M24: 21,158,824 km (0.119 R)
• M25: 29,654,337 km (0.112 R)
• M26: 32,641,059 km (0.092 R)
• M27: 35,036,420 km (0.09 R)
• M28: 37,546,522 km (0.115 R)
• M29: 38,369,759 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 18,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit