🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.4

Radius: 9

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.4 AU - 0.66 AU

Year: 266 Days

Day: 8 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,550,171 km

• M1: 111,899 km (0.085 R)
• M2: 404,064 km (0.106 R)
• M3: 891,304 km (0.034 R)
• M4: 1,223,411 km (0.063 R)
• M5: 1,831,228 km (0.116 R)
• M6: 2,256,385 km (0.079 R)
• M7: 2,553,785 km (0.118 R)
• M8: 2,985,226 km (0.111 R)
• M9: 3,485,032 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 13.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 7.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,550,171 km

• M1: 167,998 km (0.1 R)
• M2: 632,051 km (0.057 R)
• M3: 1,341,743 km (0.058 R)
• M4: 1,945,072 km (0.06 R)
• M5: 3,560,579 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 12.8

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.63 AU - 0.83 AU

Year: 431 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,550,171 km

• M1: 159,322 km (0.119 R)
• M2: 614,548 km (0.099 R)
• M3: 1,056,759 km (0.088 R)
• M4: 1,469,649 km (0.088 R)
• M5: 1,979,778 km (0.077 R)
• M6: 2,567,099 km (0.116 R)
• M7: 3,045,663 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.5

Radius: 13.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.69 AU - 5.49 AU

Year: 6788 Days

Day: 7.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 86.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,550,171 km

• M1: 164,558 km (0.076 R)
• M2: 688,898 km (0.09 R)
• M3: 1,248,843 km (0.114 R)
• M4: 1,757,625 km (0.1 R)
• M5: 2,286,753 km (0.1 R)
• M6: 3,401,108 km (0.069 R)
• M7: 5,650,760 km (0.086 R)
• M8: 6,333,076 km (0.04 R)
• M9: 6,961,238 km (0.064 R)
• M10: 9,184,860 km (0.069 R)
• M11: 14,272,684 km (0.086 R)
• M12: 15,292,942 km (0.086 R)
• M13: 16,946,596 km (0.049 R)
• M14: 17,545,885 km (0.118 R)
• M15: 18,366,879 km (0.068 R)
• M16: 19,141,945 km (0.08 R)
• M17: 19,719,094 km (0.059 R)
• M18: 20,382,411 km (0.118 R)
• M19: 21,136,683 km (0.043 R)
• M20: 21,831,416 km (0.101 R)
• M21: 22,541,407 km (0.113 R)
• M22: 26,236,026 km (0.12 R)
• M23: 28,041,672 km (0.064 R)
• M24: 29,736,466 km (0.088 R)
• M25: 31,002,364 km (0.091 R)
• M26: 33,019,541 km (0.091 R)
• M27: 33,850,408 km (0.025 R)
• M28: 37,425,797 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.3

Radius: 5

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.63 AU - 6.83 AU

Year: 10734 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,550,171 km

• M1: 62,382 km (0.106 R)
• M2: 563,834 km (0.117 R)
• M3: 1,015,171 km (0.102 R)
• M4: 1,347,129 km (0.1 R)
• M5: 2,208,663 km (0.082 R)
• M6: 4,177,371 km (0.119 R)
• M7: 4,711,136 km (0.066 R)
• M8: 5,259,263 km (0.056 R)
• M9: 7,269,409 km (0.045 R)
• M10: 7,686,638 km (0.054 R)
• M11: 10,247,753 km (0.12 R)
• M12: 12,082,122 km (0.105 R)
• M13: 31,173,354 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.2

Radius: 4.4

Gravity: 23.41 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.04 AU - 6.92 AU

Year: 11386 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,550,171 km

• M1: 84,672 km (0.119 R)
• M2: 311,313 km (0.089 R)
• M3: 731,833 km (0.078 R)
• M4: 1,282,951 km (0.098 R)
• M5: 1,559,259 km (0.093 R)
• M6: 1,780,215 km (0.109 R)
• M7: 2,610,333 km (0.117 R)
• M8: 7,297,235 km (0.066 R)
• M9: 8,792,914 km (0.11 R)
• M10: 9,114,849 km (0.084 R)
• M11: 13,132,299 km (0.078 R)
• M12: 17,969,247 km (0.098 R)
• M13: 18,116,302 km (0.066 R)
• M14: 19,091,680 km (0.063 R)
• M15: 22,227,401 km (0.114 R)
• M16: 23,607,442 km (0.118 R)
• M17: 27,989,762 km (0.049 R)
• M18: 40,804,465 km (0.042 R)
• M19: 45,269,961 km (0.102 R)

Asteroid Belt

Center: 7.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.5

Radius: 7.3

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.83 AU - 10.93 AU

Year: 19830 Days

Day: 23.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,550,171 km

• M1: 90,806 km (0.093 R)
• M2: 388,206 km (0.058 R)
• M3: 663,766 km (0.097 R)
• M4: 993,330 km (0.118 R)
• M5: 1,306,588 km (0.101 R)
• M6: 1,700,928 km (0.087 R)
• M7: 2,308,295 km (0.041 R)
• M8: 2,640,402 km (0.088 R)
• M9: 2,887,089 km (0.1 R)
• M10: 3,323,915 km (0.029 R)
• M11: 4,269,074 km (0.114 R)
• M12: 4,515,462 km (0.093 R)
• M13: 6,515,586 km (0.033 R)
• M14: 8,216,214 km (0.118 R)
• M15: 10,030,687 km (0.1 R)
• M16: 10,634,613 km (0.105 R)
• M17: 11,734,607 km (0.094 R)
• M18: 14,158,541 km (0.117 R)
• M19: 17,205,102 km (0.06 R)
• M20: 17,673,193 km (0.071 R)
• M21: 18,472,345 km (0.079 R)
• M22: 18,798,618 km (0.076 R)
• M23: 19,378,908 km (0.078 R)
• M24: 19,971,017 km (0.051 R)
• M25: 20,749,973 km (0.047 R)
• M26: 23,114,068 km (0.089 R)
• M27: 23,972,460 km (0.073 R)
• M28: 25,854,551 km (0.089 R)
• M29: 26,468,650 km (0.104 R)
• M30: 31,854,024 km (0.09 R)
• M31: 32,678,458 km (0.076 R)
• M32: 38,586,527 km (0.074 R)
• M33: 43,709,805 km (0.09 R)
• M34: 46,810,221 km (0.09 R)
• M35: 48,491,402 km (0.066 R)
• M36: 48,956,801 km (0.084 R)
• M37: 55,619,142 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 13,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit