🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.9

Radius: 11.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.68 AU - 0.82 AU

Year: 426 Days

Day: 14.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,747,306 km

• M1: 145,559 km (0.071 R)
• M2: 519,105 km (0.102 R)
• M3: 889,210 km (0.089 R)
• M4: 1,283,400 km (0.102 R)
• M5: 1,887,626 km (0.108 R)
• M6: 2,530,149 km (0.032 R)
• M7: 3,234,156 km (0.079 R)
• M8: 3,657,518 km (0.076 R)
• M9: 4,238,856 km (0.105 R)
• M10: 5,360,391 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.4

Radius: 8.7

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.86 AU - 1.14 AU

Year: 656 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,747,306 km

• M1: 112,198 km (0.118 R)
• M2: 383,270 km (0.083 R)
• M3: 711,936 km (0.106 R)
• M4: 1,168,060 km (0.109 R)
• M5: 1,467,555 km (0.108 R)
• M6: 1,908,420 km (0.11 R)
• M7: 2,567,698 km (0.108 R)
• M8: 4,348,511 km (0.057 R)
• M9: 5,026,638 km (0.026 R)
• M10: 6,700,040 km (0.036 R)
• M11: 7,890,390 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.1

Radius: 12.9

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.38 AU - 1.42 AU

Year: 1087 Days

Day: 9.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,747,306 km

• M1: 160,519 km (0.098 R)
• M2: 643,271 km (0.095 R)
• M3: 1,235,678 km (0.103 R)
• M4: 1,713,344 km (0.092 R)
• M5: 2,283,761 km (0.068 R)
• M6: 3,092,936 km (0.086 R)
• M7: 3,886,403 km (0.116 R)
• M8: 5,059,849 km (0.117 R)
• M9: 5,699,679 km (0.093 R)
• M10: 6,760,477 km (0.077 R)
• M11: 8,247,480 km (0.088 R)

Asteroid Belt

Center: 3.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 14.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.39 AU - 5.61 AU

Year: 7334 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,747,306 km

• M1: 185,352 km (0.064 R)
• M2: 802,593 km (0.084 R)
• M3: 1,335,311 km (0.097 R)
• M4: 2,311,736 km (0.117 R)
• M5: 3,085,606 km (0.094 R)
• M6: 4,455,025 km (0.1 R)
• M7: 4,942,863 km (0.111 R)
• M8: 6,234,192 km (0.048 R)
• M9: 6,699,292 km (0.117 R)
• M10: 7,539,583 km (0.074 R)
• M11: 8,842,132 km (0.039 R)
• M12: 9,759,017 km (0.025 R)
• M13: 10,688,020 km (0.111 R)
• M14: 12,496,957 km (0.062 R)
• M15: 14,440,682 km (0.114 R)
• M16: 17,617,692 km (0.072 R)
• M17: 19,444,881 km (0.115 R)
• M18: 20,757,602 km (0.069 R)
• M19: 28,709,327 km (0.108 R)
• M20: 29,302,333 km (0.099 R)
• M21: 30,512,580 km (0.106 R)
• M22: 33,032,706 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.7

Radius: 3.7

Gravity: 22.4 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.06 AU - 8.34 AU

Year: 14017 Days

Day: 24.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,747,306 km

• M1: 46,226 km (0.065 R)
• M2: 171,888 km (0.059 R)
• M3: 386,262 km (0.033 R)
• M4: 1,188,256 km (0.048 R)
• M5: 1,833,472 km (0.049 R)
• M6: 3,071,394 km (0.078 R)
• M7: 5,088,422 km (0.104 R)
• M8: 6,761,375 km (0.102 R)
• M9: 8,190,184 km (0.065 R)
• M10: 8,542,936 km (0.084 R)
• M11: 8,998,013 km (0.091 R)
• M12: 13,722,164 km (0.05 R)
• M13: 14,728,658 km (0.048 R)
• M14: 15,648,835 km (0.097 R)
• M15: 21,320,539 km (0.048 R)
• M16: 21,735,523 km (0.03 R)
• M17: 22,325,388 km (0.085 R)
• M18: 24,701,152 km (0.117 R)
• M19: 29,127,453 km (0.117 R)
• M20: 34,849,273 km (0.076 R)
• M21: 38,276,111 km (0.088 R)
• M22: 43,494,085 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.6

Radius: 4.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.34 AU - 10.04 AU

Year: 15376 Days

Day: 18.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,747,306 km

• M1: 63,429 km (0.081 R)
• M2: 236,065 km (0.101 R)
• M3: 654,790 km (0.091 R)
• M4: 807,978 km (0.114 R)
• M5: 1,451,249 km (0.095 R)
• M6: 1,961,078 km (0.065 R)
• M7: 3,687,588 km (0.117 R)
• M8: 6,402,041 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.3

Radius: 5.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.32 AU - 11.78 AU

Year: 20901 Days

Day: 20 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,747,306 km

• M1: 68,366 km (0.098 R)
• M2: 260,599 km (0.061 R)
• M3: 502,649 km (0.116 R)
• M4: 1,135,747 km (0.04 R)
• M5: 1,369,868 km (0.098 R)
• M6: 1,869,973 km (0.096 R)
• M7: 2,688,124 km (0.103 R)
• M8: 3,224,133 km (0.117 R)
• M9: 4,595,347 km (0.095 R)
• M10: 5,160,678 km (0.047 R)
• M11: 9,661,479 km (0.117 R)
• M12: 13,711,542 km (0.054 R)
• M13: 15,966,282 km (0.114 R)
• M14: 16,890,048 km (0.086 R)
• M15: 18,380,193 km (0.074 R)
• M16: 21,110,653 km (0.062 R)
• M17: 27,660,646 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 18,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit