🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 9.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.65 AU - 0.67 AU

Year: 370 Days

Day: 9 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,470,977 km

• M1: 116,986 km (0.105 R)
• M2: 455,077 km (0.066 R)
• M3: 783,893 km (0.113 R)
• M4: 1,077,853 km (0.066 R)
• M5: 1,514,230 km (0.109 R)
• M6: 1,851,722 km (0.077 R)
• M7: 2,449,067 km (0.097 R)
• M8: 2,774,592 km (0.101 R)
• M9: 3,285,319 km (0.105 R)
• M10: 3,917,370 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 8.5

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.73 AU - 1.01 AU

Year: 560 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,470,977 km

• M1: 105,766 km (0.086 R)
• M2: 507,436 km (0.051 R)
• M3: 916,885 km (0.089 R)
• M4: 1,277,715 km (0.093 R)
• M5: 1,545,795 km (0.092 R)
• M6: 2,134,612 km (0.104 R)
• M7: 2,821,416 km (0.028 R)
• M8: 3,282,776 km (0.09 R)
• M9: 3,766,874 km (0.102 R)
• M10: 4,153,435 km (0.107 R)
• M11: 4,535,807 km (0.066 R)
• M12: 5,087,674 km (0.09 R)
• M13: 5,952,798 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.1

Radius: 12

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.81 AU - 1.25 AU

Year: 722 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,470,977 km

• M1: 149,299 km (0.1 R)
• M2: 578,046 km (0.106 R)
• M3: 1,171,950 km (0.086 R)
• M4: 1,694,944 km (0.098 R)
• M5: 2,403,589 km (0.12 R)
• M6: 2,962,935 km (0.117 R)
• M7: 3,355,630 km (0.111 R)
• M8: 3,783,330 km (0.118 R)
• M9: 4,819,146 km (0.091 R)
• M10: 5,234,729 km (0.063 R)
• M11: 5,713,591 km (0.086 R)
• M12: 6,540,718 km (0.067 R)
• M13: 7,189,225 km (0.084 R)
• M14: 7,953,969 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.8

Radius: 9.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.89 AU - 1.25 AU

Year: 764 Days

Day: 9.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,470,977 km

• M1: 116,986 km (0.026 R)
• M2: 517,309 km (0.108 R)
• M3: 1,172,249 km (0.047 R)
• M4: 2,270,596 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.3

Radius: 11.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.75 AU - 2.15 AU

Year: 1880 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 139.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,470,977 km

• M1: 144,362 km (0.068 R)
• M2: 531,072 km (0.102 R)
• M3: 1,245,851 km (0.104 R)
• M4: 1,746,555 km (0.061 R)
• M5: 2,172,610 km (0.104 R)
• M6: 3,478,749 km (0.1 R)
• M7: 4,312,009 km (0.073 R)
• M8: 5,186,409 km (0.043 R)
• M9: 5,958,633 km (0.079 R)
• M10: 7,204,334 km (0.073 R)
• M11: 7,703,094 km (0.106 R)
• M12: 8,863,375 km (0.041 R)
• M13: 9,436,634 km (0.105 R)
• M14: 11,453,961 km (0.051 R)
• M15: 12,057,588 km (0.089 R)
• M16: 13,246,891 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.4

Radius: 11.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.97 AU - 2.99 AU

Year: 2696 Days

Day: 6.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,470,977 km

• M1: 145,708 km (0.111 R)
• M2: 1,443,919 km (0.053 R)
• M3: 1,895,106 km (0.063 R)
• M4: 2,451,610 km (0.106 R)
• M5: 3,446,885 km (0.051 R)
• M6: 4,484,495 km (0.11 R)
• M7: 5,323,440 km (0.085 R)
• M8: 6,220,878 km (0.118 R)
• M9: 7,554,692 km (0.086 R)
• M10: 8,030,563 km (0.115 R)
• M11: 8,660,370 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 11.4

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.86 AU - 4.54 AU

Year: 5941 Days

Day: 11 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,470,977 km

• M1: 145,110 km (0.1 R)
• M2: 703,260 km (0.055 R)
• M3: 4,499,904 km (0.078 R)
• M4: 6,796,231 km (0.067 R)
• M5: 8,020,241 km (0.037 R)
• M6: 9,255,471 km (0.117 R)
• M7: 10,948,919 km (0.075 R)
• M8: 12,048,912 km (0.115 R)
• M9: 15,915,269 km (0.062 R)
• M10: 16,997,609 km (0.06 R)
• M11: 20,318,383 km (0.064 R)
• M12: 21,898,735 km (0.046 R)
• M13: 25,558,497 km (0.109 R)
• M14: 27,398,401 km (0.065 R)
• M15: 27,939,796 km (0.06 R)
• M16: 30,561,798 km (0.063 R)
• M17: 31,144,332 km (0.091 R)
• M18: 32,231,460 km (0.069 R)
• M19: 32,632,980 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.4

Radius: 6.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.51 AU - 9.09 AU

Year: 16505 Days

Day: 18.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,470,977 km

• M1: 80,783 km (0.112 R)
• M2: 644,767 km (0.036 R)
• M3: 1,641,537 km (0.096 R)
• M4: 3,189,726 km (0.079 R)
• M5: 5,586,433 km (0.117 R)
• M6: 6,044,203 km (0.075 R)
• M7: 6,669,073 km (0.098 R)
• M8: 7,765,326 km (0.085 R)
• M9: 8,846,021 km (0.041 R)
• M10: 9,153,295 km (0.104 R)
• M11: 12,465,542 km (0.094 R)
• M12: 14,059,357 km (0.104 R)
• M13: 22,038,010 km (0.081 R)
• M14: 22,766,253 km (0.107 R)
• M15: 26,832,323 km (0.082 R)
• M16: 34,496,671 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 13,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit