🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 9.5

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.51 AU - 1.63 AU

Year: 1251 Days

Day: 9.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,344,451 km

• M1: 118,182 km (0.11 R)
• M2: 430,094 km (0.081 R)
• M3: 754,721 km (0.069 R)
• M4: 1,185,114 km (0.092 R)
• M5: 1,591,422 km (0.073 R)
• M6: 2,232,748 km (0.057 R)
• M7: 2,767,261 km (0.09 R)
• M8: 3,164,743 km (0.097 R)
• M9: 3,600,073 km (0.103 R)
• M10: 4,444,553 km (0.096 R)
• M11: 5,478,274 km (0.116 R)
• M12: 6,266,804 km (0.046 R)
• M13: 7,129,087 km (0.113 R)
• M14: 10,255,682 km (0.095 R)
• M15: 10,908,826 km (0.069 R)
• M16: 11,624,203 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.5

Radius: 15

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.53 AU - 1.71 AU

Year: 1311 Days

Day: 13.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,344,451 km

• M1: 186,549 km (0.117 R)
• M2: 734,376 km (0.049 R)
• M3: 1,244,056 km (0.102 R)
• M4: 2,135,061 km (0.11 R)
• M5: 3,334,237 km (0.104 R)
• M6: 3,958,958 km (0.075 R)
• M7: 4,868,663 km (0.095 R)
• M8: 5,445,811 km (0.091 R)
• M9: 7,586,856 km (0.053 R)
• M10: 8,282,636 km (0.079 R)
• M11: 8,991,580 km (0.062 R)
• M12: 10,305,797 km (0.117 R)
• M13: 11,709,624 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.5

Radius: 11.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.39 AU - 2.13 AU

Year: 1485 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,344,451 km

• M1: 147,952 km (0.119 R)
• M2: 570,267 km (0.099 R)
• M3: 1,126,622 km (0.09 R)
• M4: 1,790,537 km (0.094 R)
• M5: 2,500,229 km (0.098 R)
• M6: 3,498,945 km (0.069 R)
• M7: 3,885,805 km (0.061 R)
• M8: 4,780,699 km (0.092 R)
• M9: 5,769,092 km (0.08 R)
• M10: 7,179,052 km (0.095 R)
• M11: 7,736,304 km (0.071 R)
• M12: 8,197,814 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.4

Radius: 12.7

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.98 AU - 2.96 AU

Year: 2468 Days

Day: 7.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 75.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,344,451 km

• M1: 157,975 km (0.096 R)
• M2: 636,838 km (0.109 R)
• M3: 1,145,321 km (0.107 R)
• M4: 1,631,664 km (0.056 R)
• M5: 2,450,413 km (0.082 R)
• M6: 3,171,325 km (0.112 R)
• M7: 5,600,196 km (0.068 R)
• M8: 6,205,469 km (0.09 R)
• M9: 8,056,444 km (0.039 R)
• M10: 8,520,945 km (0.06 R)
• M11: 9,358,992 km (0.119 R)
• M12: 13,088,467 km (0.092 R)
• M13: 14,687,369 km (0.037 R)
• M14: 15,181,491 km (0.083 R)
• M15: 17,765,196 km (0.108 R)
• M16: 20,324,068 km (0.117 R)

Asteroid Belt

Center: 2.75 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.5

Radius: 11.7

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.94 AU - 3.12 AU

Year: 3353 Days

Day: 10 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,344,451 km

• M1: 145,559 km (0.117 R)
• M2: 514,317 km (0.104 R)
• M3: 906,264 km (0.12 R)
• M4: 1,270,535 km (0.085 R)
• M5: 1,704,668 km (0.045 R)
• M6: 2,497,836 km (0.091 R)
• M7: 3,033,246 km (0.074 R)
• M8: 3,679,509 km (0.085 R)
• M9: 4,179,316 km (0.103 R)
• M10: 4,640,526 km (0.118 R)
• M11: 5,665,720 km (0.113 R)
• M12: 6,105,687 km (0.101 R)
• M13: 6,542,364 km (0.086 R)
• M14: 7,082,562 km (0.107 R)
• M15: 7,978,952 km (0.058 R)
• M16: 8,949,244 km (0.119 R)
• M17: 9,891,710 km (0.098 R)
• M18: 11,086,100 km (0.105 R)
• M19: 11,620,912 km (0.117 R)
• M20: 15,717,051 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 12.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.16 AU - 4.9 AU

Year: 6130 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,344,451 km

• M1: 155,582 km (0.114 R)
• M2: 670,647 km (0.114 R)
• M3: 1,763,908 km (0.101 R)
• M4: 2,360,056 km (0.115 R)
• M5: 3,188,529 km (0.112 R)
• M6: 3,659,912 km (0.074 R)
• M7: 4,104,367 km (0.093 R)
• M8: 4,798,202 km (0.108 R)
• M9: 7,877,674 km (0.088 R)
• M10: 9,851,169 km (0.119 R)
• M11: 10,858,262 km (0.07 R)
• M12: 12,237,555 km (0.063 R)
• M13: 13,184,060 km (0.034 R)
• M14: 13,730,691 km (0.085 R)
• M15: 14,235,584 km (0.086 R)
• M16: 19,213,902 km (0.093 R)
• M17: 20,203,043 km (0.045 R)
• M18: 20,710,329 km (0.093 R)
• M19: 21,374,843 km (0.111 R)
• M20: 23,138,003 km (0.07 R)
• M21: 23,934,163 km (0.096 R)
• M22: 28,552,250 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 19,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit