🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166

Radius: 8.2

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.86 AU - 1.4 AU

Year: 801 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,347,536 km

• M1: 102,026 km (0.073 R)
• M2: 362,775 km (0.058 R)
• M3: 946,057 km (0.082 R)
• M4: 1,279,361 km (0.116 R)
• M5: 1,726,808 km (0.074 R)
• M6: 2,708,769 km (0.065 R)
• M7: 3,151,728 km (0.104 R)
• M8: 3,753,859 km (0.099 R)
• M9: 5,295,615 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.6

Radius: 11.1

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.97 AU - 1.37 AU

Year: 844 Days

Day: 9.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,347,536 km

• M1: 138,079 km (0.12 R)
• M2: 897,587 km (0.098 R)
• M3: 1,383,631 km (0.043 R)
• M4: 1,786,947 km (0.098 R)
• M5: 2,617,963 km (0.097 R)
• M6: 3,230,117 km (0.095 R)
• M7: 3,719,751 km (0.098 R)
• M8: 5,632,360 km (0.045 R)
• M9: 7,672,127 km (0.038 R)
• M10: 8,627,908 km (0.112 R)
• M11: 8,982,006 km (0.066 R)
• M12: 9,516,968 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 9.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.21 AU - 1.37 AU

Year: 977 Days

Day: 7.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,347,536 km

• M1: 115,340 km (0.07 R)
• M2: 444,605 km (0.077 R)
• M3: 739,313 km (0.116 R)
• M4: 1,176,886 km (0.076 R)
• M5: 1,475,783 km (0.087 R)
• M6: 1,870,871 km (0.06 R)
• M7: 2,927,630 km (0.093 R)
• M8: 3,568,657 km (0.099 R)
• M9: 4,904,865 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767

Radius: 12.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.71 AU - 1.75 AU

Year: 1517 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,347,536 km

• M1: 155,582 km (0.066 R)
• M2: 588,967 km (0.099 R)
• M3: 1,238,072 km (0.101 R)
• M4: 1,713,943 km (0.087 R)
• M5: 2,930,622 km (0.082 R)
• M6: 3,861,271 km (0.102 R)
• M7: 5,041,897 km (0.094 R)
• M8: 6,230,602 km (0.114 R)
• M9: 7,165,738 km (0.078 R)
• M10: 9,032,121 km (0.078 R)
• M11: 10,095,014 km (0.084 R)
• M12: 11,311,544 km (0.112 R)
• M13: 12,391,640 km (0.118 R)
• M14: 13,215,925 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108

Radius: 15

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.74 AU - 4.06 AU

Year: 4181 Days

Day: 6.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,347,536 km

• M1: 186,698 km (0.057 R)
• M2: 804,537 km (0.067 R)
• M3: 1,437,486 km (0.106 R)
• M4: 2,512,795 km (0.114 R)
• M5: 3,003,925 km (0.071 R)
• M6: 4,562,286 km (0.104 R)
• M7: 5,700,576 km (0.084 R)
• M8: 6,736,542 km (0.038 R)
• M9: 8,240,599 km (0.102 R)
• M10: 10,193,898 km (0.059 R)
• M11: 11,424,341 km (0.08 R)
• M12: 12,056,840 km (0.071 R)
• M13: 13,189,745 km (0.12 R)
• M14: 13,761,508 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.5

Radius: 9.1

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.38 AU - 4.44 AU

Year: 5156 Days

Day: 6 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,347,536 km

• M1: 115,490 km (0.048 R)
• M2: 562,338 km (0.075 R)
• M3: 1,003,802 km (0.08 R)
• M4: 1,629,270 km (0.055 R)
• M5: 2,409,723 km (0.1 R)
• M6: 3,528,715 km (0.053 R)
• M7: 4,585,324 km (0.084 R)
• M8: 6,091,177 km (0.094 R)
• M9: 7,419,007 km (0.094 R)
• M10: 7,713,565 km (0.113 R)
• M11: 8,131,542 km (0.079 R)
• M12: 9,012,823 km (0.098 R)
• M13: 10,000,767 km (0.072 R)
• M14: 11,011,750 km (0.086 R)
• M15: 12,140,017 km (0.106 R)
• M16: 14,170,359 km (0.109 R)
• M17: 15,325,105 km (0.072 R)
• M18: 21,012,667 km (0.096 R)
• M19: 21,529,527 km (0.085 R)
• M20: 28,322,168 km (0.095 R)
• M21: 30,056,157 km (0.111 R)
• M22: 31,091,823 km (0.082 R)
• M23: 31,763,218 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.2

Radius: 12.4

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.84 AU - 6.04 AU

Year: 8461 Days

Day: 5.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,347,536 km

• M1: 154,684 km (0.117 R)
• M2: 547,678 km (0.097 R)
• M3: 955,482 km (0.1 R)
• M4: 2,475,546 km (0.096 R)
• M5: 2,924,339 km (0.115 R)
• M6: 9,019,854 km (0.099 R)
• M7: 10,317,466 km (0.066 R)
• M8: 10,823,107 km (0.069 R)
• M9: 15,785,268 km (0.068 R)
• M10: 22,851,673 km (0.104 R)
• M11: 29,065,071 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 18,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit