🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 8.9

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.58 AU - 0.82 AU

Year: 397 Days

Day: 10.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,170,079 km

• M1: 110,852 km (0.094 R)
• M2: 398,529 km (0.108 R)
• M3: 743,352 km (0.071 R)
• M4: 1,126,921 km (0.106 R)
• M5: 1,544,149 km (0.103 R)
• M6: 2,516,386 km (0.11 R)
• M7: 2,939,449 km (0.116 R)
• M8: 3,456,758 km (0.097 R)
• M9: 3,825,816 km (0.1 R)
• M10: 4,167,049 km (0.099 R)
• M11: 4,643,817 km (0.105 R)
• M12: 5,125,223 km (0.054 R)
• M13: 5,590,173 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410

Radius: 11.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.21 AU - 1.93 AU

Year: 1334 Days

Day: 10 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,170,079 km

• M1: 143,165 km (0.117 R)
• M2: 503,546 km (0.081 R)
• M3: 975,977 km (0.093 R)
• M4: 1,912,160 km (0.104 R)
• M5: 2,413,014 km (0.052 R)
• M6: 2,870,484 km (0.099 R)
• M7: 3,258,391 km (0.106 R)
• M8: 3,620,867 km (0.107 R)
• M9: 4,091,651 km (0.112 R)
• M10: 4,462,654 km (0.088 R)
• M11: 4,930,147 km (0.114 R)
• M12: 6,265,907 km (0.077 R)
• M13: 7,404,047 km (0.079 R)
• M14: 8,324,523 km (0.048 R)
• M15: 8,784,985 km (0.086 R)
• M16: 9,205,355 km (0.084 R)
• M17: 9,846,233 km (0.079 R)
• M18: 10,392,414 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.1

Radius: 9.1

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.68 AU - 3.1 AU

Year: 3332 Days

Day: 8.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,170,079 km

• M1: 116,387 km (0.066 R)
• M2: 425,606 km (0.112 R)
• M3: 1,316,312 km (0.064 R)
• M4: 1,631,963 km (0.097 R)
• M5: 1,935,647 km (0.102 R)
• M6: 2,433,957 km (0.093 R)
• M7: 2,721,784 km (0.097 R)
• M8: 3,032,648 km (0.07 R)
• M9: 4,795,509 km (0.057 R)
• M10: 5,579,701 km (0.073 R)
• M11: 6,166,873 km (0.119 R)
• M12: 6,619,407 km (0.119 R)
• M13: 8,516,158 km (0.046 R)
• M14: 11,115,720 km (0.034 R)
• M15: 13,394,545 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.8

Radius: 15

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.83 AU - 4.67 AU

Year: 4925 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,170,079 km

• M1: 187,147 km (0.12 R)
• M2: 1,057,657 km (0.102 R)
• M3: 1,760,318 km (0.116 R)
• M4: 3,153,224 km (0.09 R)
• M5: 3,815,194 km (0.084 R)
• M6: 4,801,942 km (0.118 R)
• M7: 6,318,266 km (0.118 R)
• M8: 8,727,989 km (0.108 R)
• M9: 9,962,470 km (0.086 R)
• M10: 11,098,816 km (0.103 R)
• M11: 16,031,955 km (0.094 R)
• M12: 18,946,122 km (0.038 R)
• M13: 21,466,546 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.6

Radius: 5.9

Gravity: 19.47 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5 AU - 7.34 AU

Year: 10395 Days

Day: 22.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,170,079 km

• M1: 73,602 km (0.117 R)
• M2: 277,654 km (0.105 R)
• M3: 526,585 km (0.116 R)
• M4: 984,055 km (0.086 R)
• M5: 1,602,941 km (0.052 R)
• M6: 2,118,007 km (0.107 R)
• M7: 4,046,024 km (0.074 R)
• M8: 4,241,848 km (0.097 R)
• M9: 4,930,297 km (0.092 R)
• M10: 5,284,844 km (0.076 R)
• M11: 5,760,416 km (0.108 R)
• M12: 6,602,951 km (0.118 R)
• M13: 7,483,185 km (0.085 R)
• M14: 7,864,809 km (0.027 R)
• M15: 8,259,448 km (0.114 R)
• M16: 8,575,399 km (0.089 R)
• M17: 9,720,421 km (0.108 R)
• M18: 10,485,614 km (0.109 R)
• M19: 13,022,195 km (0.084 R)
• M20: 13,699,126 km (0.063 R)
• M21: 15,257,487 km (0.092 R)
• M22: 15,528,259 km (0.102 R)
• M23: 16,786,377 km (0.056 R)
• M24: 20,389,442 km (0.114 R)
• M25: 22,327,033 km (0.073 R)
• M26: 29,285,279 km (0.119 R)
• M27: 32,186,431 km (0.087 R)
• M28: 32,743,982 km (0.071 R)
• M29: 32,968,828 km (0.103 R)
• M30: 42,029,372 km (0.067 R)
• M31: 45,709,330 km (0.114 R)
• M32: 47,555,368 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.9

Radius: 7.8

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.4 AU - 8.2 AU

Year: 14775 Days

Day: 19.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,170,079 km

• M1: 96,939 km (0.104 R)
• M2: 428,448 km (0.08 R)
• M3: 704,756 km (0.05 R)
• M4: 1,348,774 km (0.026 R)
• M5: 1,646,325 km (0.081 R)
• M6: 2,058,018 km (0.03 R)
• M7: 2,726,421 km (0.07 R)
• M8: 3,989,775 km (0.047 R)
• M9: 5,024,394 km (0.065 R)
• M10: 10,269,894 km (0.041 R)
• M11: 20,195,713 km (0.114 R)
• M12: 21,480,010 km (0.058 R)
• M13: 26,054,713 km (0.112 R)
• M14: 41,656,275 km (0.113 R)
• M15: 43,311,127 km (0.094 R)
• M16: 46,020,045 km (0.093 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: 186 - 14,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit