🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.5

Radius: 9

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.67 AU - 0.73 AU

Year: 397 Days

Day: 12.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,929,598 km

• M1: 111,899 km (0.086 R)
• M2: 461,809 km (0.116 R)
• M3: 810,671 km (0.089 R)
• M4: 1,319,304 km (0.083 R)
• M5: 1,605,634 km (0.062 R)
• M6: 1,910,814 km (0.1 R)
• M7: 2,768,458 km (0.113 R)
• M8: 4,146,853 km (0.103 R)
• M9: 5,331,668 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.3

Radius: 15

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.61 AU - 0.91 AU

Year: 449 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,929,598 km

• M1: 186,698 km (0.076 R)
• M2: 665,262 km (0.103 R)
• M3: 1,489,247 km (0.062 R)
• M4: 2,162,288 km (0.07 R)
• M5: 2,923,890 km (0.097 R)
• M6: 3,424,594 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 14.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.86 AU - 0.94 AU

Year: 579 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,929,598 km

• M1: 176,825 km (0.118 R)
• M2: 666,608 km (0.05 R)
• M3: 1,269,039 km (0.056 R)
• M4: 2,053,380 km (0.089 R)
• M5: 2,974,754 km (0.063 R)
• M6: 4,609,110 km (0.05 R)
• M7: 5,234,280 km (0.088 R)
• M8: 5,934,697 km (0.075 R)
• M9: 6,634,666 km (0.065 R)
• M10: 7,752,610 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.2

Radius: 11.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.79 AU - 1.31 AU

Year: 730 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 100.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,929,598 km

• M1: 148,102 km (0.101 R)
• M2: 554,260 km (0.057 R)
• M3: 1,132,755 km (0.061 R)
• M4: 2,495,442 km (0.101 R)
• M5: 3,022,326 km (0.114 R)
• M6: 3,752,064 km (0.066 R)
• M7: 5,325,235 km (0.065 R)
• M8: 5,966,711 km (0.115 R)
• M9: 6,372,121 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.6

Radius: 13.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.33 AU - 1.53 AU

Year: 1160 Days

Day: 6.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,929,598 km

• M1: 166,652 km (0.113 R)
• M2: 635,043 km (0.12 R)
• M3: 1,192,594 km (0.08 R)
• M4: 2,421,840 km (0.097 R)
• M5: 5,223,060 km (0.042 R)
• M6: 5,837,159 km (0.107 R)
• M7: 7,385,348 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.2

Radius: 10.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.4 AU - 1.72 AU

Year: 1322 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,929,598 km

• M1: 135,536 km (0.095 R)
• M2: 484,248 km (0.079 R)
• M3: 978,669 km (0.081 R)
• M4: 1,401,433 km (0.087 R)
• M5: 1,758,523 km (0.051 R)
• M6: 2,639,355 km (0.065 R)
• M7: 3,218,897 km (0.104 R)
• M8: 3,942,053 km (0.085 R)
• M9: 4,285,979 km (0.118 R)
• M10: 4,787,581 km (0.091 R)
• M11: 5,421,876 km (0.109 R)
• M12: 5,888,771 km (0.09 R)
• M13: 6,235,389 km (0.041 R)
• M14: 6,617,462 km (0.116 R)
• M15: 7,173,966 km (0.06 R)
• M16: 7,785,672 km (0.103 R)
• M17: 8,742,051 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.5

Radius: 11.8

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.59 AU - 1.99 AU

Year: 1624 Days

Day: 5.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,929,598 km

• M1: 146,756 km (0.066 R)
• M2: 534,064 km (0.106 R)
• M3: 907,760 km (0.06 R)
• M4: 1,289,534 km (0.081 R)
• M5: 1,994,588 km (0.076 R)
• M6: 2,435,902 km (0.083 R)
• M7: 3,635,976 km (0.119 R)
• M8: 4,040,190 km (0.09 R)
• M9: 6,259,325 km (0.114 R)
• M10: 7,858,376 km (0.066 R)
• M11: 8,357,285 km (0.096 R)
• M12: 10,851,830 km (0.062 R)
• M13: 11,583,064 km (0.115 R)
• M14: 12,230,224 km (0.117 R)
• M15: 13,596,950 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 13,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit