🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.8

Radius: 14

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.43 AU - 0.65 AU

Year: 265 Days

Day: 13.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 62.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,472,955 km

• M1: 174,431 km (0.084 R)
• M2: 757,115 km (0.112 R)
• M3: 1,447,060 km (0.06 R)
• M4: 2,134,163 km (0.084 R)
• M5: 2,873,027 km (0.085 R)
• M6: 3,349,347 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.7

Radius: 9.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.64 AU - 0.74 AU

Year: 382 Days

Day: 10.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,472,955 km

• M1: 123,269 km (0.055 R)
• M2: 444,156 km (0.038 R)
• M3: 798,853 km (0.116 R)
• M4: 1,281,605 km (0.094 R)
• M5: 1,660,536 km (0.099 R)
• M6: 2,042,609 km (0.073 R)
• M7: 2,363,347 km (0.077 R)
• M8: 2,903,844 km (0.114 R)
• M9: 3,321,970 km (0.084 R)
• M10: 3,650,936 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.7

Radius: 8.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.62 AU - 0.92 AU

Year: 451 Days

Day: 14.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,472,955 km

• M1: 108,758 km (0.069 R)
• M2: 382,971 km (0.095 R)
• M3: 1,070,522 km (0.028 R)
• M4: 1,340,995 km (0.118 R)
• M5: 1,862,344 km (0.081 R)
• M6: 2,189,814 km (0.039 R)
• M7: 2,651,173 km (0.075 R)
• M8: 3,307,459 km (0.058 R)
• M9: 3,646,747 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.3

Radius: 13.9

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.18 AU - 1.56 AU

Year: 1069 Days

Day: 10.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,472,955 km

• M1: 172,935 km (0.082 R)
• M2: 678,726 km (0.09 R)
• M3: 2,365,142 km (0.05 R)
• M4: 2,927,481 km (0.085 R)
• M5: 3,532,305 km (0.041 R)
• M6: 4,342,826 km (0.109 R)
• M7: 4,995,223 km (0.094 R)
• M8: 5,776,871 km (0.103 R)
• M9: 6,334,722 km (0.117 R)
• M10: 7,002,078 km (0.046 R)
• M11: 7,481,240 km (0.093 R)
• M12: 8,090,702 km (0.107 R)
• M13: 8,675,929 km (0.073 R)
• M14: 9,931,503 km (0.069 R)
• M15: 11,000,530 km (0.072 R)
• M16: 11,754,952 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 11.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.43 AU - 4.89 AU

Year: 6708 Days

Day: 5.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,472,955 km

• M1: 140,622 km (0.045 R)
• M2: 754,422 km (0.063 R)
• M3: 2,026,602 km (0.093 R)
• M4: 2,506,812 km (0.081 R)
• M5: 3,378,818 km (0.091 R)
• M6: 4,058,889 km (0.062 R)
• M7: 6,683,135 km (0.069 R)
• M8: 7,908,791 km (0.063 R)
• M9: 9,768,741 km (0.049 R)
• M10: 10,762,669 km (0.084 R)
• M11: 11,904,101 km (0.063 R)
• M12: 16,361,070 km (0.054 R)
• M13: 17,548,728 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 11.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.46 AU - 5.06 AU

Year: 6925 Days

Day: 14.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,472,955 km

• M1: 145,559 km (0.116 R)
• M2: 544,387 km (0.11 R)
• M3: 1,165,667 km (0.081 R)
• M4: 1,709,604 km (0.11 R)
• M5: 2,690,368 km (0.102 R)
• M6: 4,202,653 km (0.088 R)
• M7: 4,754,071 km (0.087 R)
• M8: 5,612,613 km (0.071 R)
• M9: 7,745,879 km (0.092 R)
• M10: 8,344,719 km (0.093 R)
• M11: 10,551,287 km (0.09 R)
• M12: 11,007,561 km (0.116 R)
• M13: 12,355,887 km (0.054 R)
• M14: 13,018,007 km (0.099 R)
• M15: 15,965,384 km (0.107 R)
• M16: 20,434,172 km (0.06 R)
• M17: 22,018,114 km (0.078 R)
• M18: 23,297,026 km (0.12 R)
• M19: 26,584,589 km (0.09 R)
• M20: 27,175,201 km (0.104 R)
• M21: 29,806,179 km (0.075 R)
• M22: 30,443,615 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.9

Radius: 5.9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.47 AU - 11.27 AU

Year: 22269 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,472,955 km

• M1: 73,453 km (0.109 R)
• M2: 588,219 km (0.104 R)
• M3: 1,134,849 km (0.027 R)
• M4: 1,378,993 km (0.117 R)
• M5: 1,938,788 km (0.088 R)
• M6: 2,270,596 km (0.106 R)
• M7: 3,792,306 km (0.103 R)
• M8: 4,943,462 km (0.118 R)
• M9: 5,385,972 km (0.049 R)
• M10: 5,744,109 km (0.094 R)
• M11: 11,134,570 km (0.086 R)
• M12: 12,377,877 km (0.062 R)
• M13: 15,849,745 km (0.092 R)
• M14: 16,809,415 km (0.082 R)
• M15: 20,775,554 km (0.058 R)
• M16: 22,467,655 km (0.094 R)
• M17: 23,300,467 km (0.099 R)
• M18: 30,717,380 km (0.088 R)
• M19: 35,324,545 km (0.078 R)
• M20: 35,572,578 km (0.048 R)
• M21: 38,902,477 km (0.036 R)
• M22: 39,299,660 km (0.077 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 17,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit