🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.1

Radius: 11.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.67 AU - 0.97 AU

Year: 504 Days

Day: 11.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,775,686 km

• M1: 145,708 km (0.114 R)
• M2: 601,533 km (0.082 R)
• M3: 1,497,774 km (0.038 R)
• M4: 1,909,766 km (0.1 R)
• M5: 2,557,525 km (0.101 R)
• M6: 3,070,795 km (0.062 R)
• M7: 3,805,471 km (0.062 R)
• M8: 4,849,365 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.5

Radius: 9.5

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.78 AU - 0.92 AU

Year: 532 Days

Day: 11.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,775,686 km

• M1: 118,182 km (0.11 R)
• M2: 536,308 km (0.079 R)
• M3: 897,737 km (0.066 R)
• M4: 1,350,121 km (0.107 R)
• M5: 2,111,574 km (0.115 R)
• M6: 2,690,069 km (0.1 R)
• M7: 3,546,068 km (0.093 R)
• M8: 4,018,049 km (0.115 R)
• M9: 4,862,978 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.6

Radius: 8.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.85 AU - 1.31 AU

Year: 761 Days

Day: 11.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,775,686 km

• M1: 110,852 km (0.088 R)
• M2: 398,678 km (0.097 R)
• M3: 729,589 km (0.066 R)
• M4: 1,132,157 km (0.083 R)
• M5: 1,956,291 km (0.105 R)
• M6: 2,300,366 km (0.104 R)
• M7: 2,811,692 km (0.087 R)
• M8: 3,545,769 km (0.049 R)
• M9: 4,549,870 km (0.089 R)
• M10: 5,240,563 km (0.081 R)
• M11: 5,927,516 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.2

Radius: 8.1

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.99 AU - 1.55 AU

Year: 971 Days

Day: 11.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,775,686 km

• M1: 104,120 km (0.103 R)
• M2: 461,809 km (0.06 R)
• M3: 984,204 km (0.114 R)
• M4: 1,593,068 km (0.039 R)
• M5: 3,177,309 km (0.117 R)
• M6: 4,357,188 km (0.108 R)
• M7: 6,385,286 km (0.045 R)
• M8: 6,759,131 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.6

Radius: 12.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.49 AU - 2.15 AU

Year: 1665 Days

Day: 5.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,775,686 km

• M1: 153,787 km (0.068 R)
• M2: 546,631 km (0.079 R)
• M3: 1,174,044 km (0.083 R)
• M4: 1,836,912 km (0.04 R)
• M5: 3,004,972 km (0.115 R)
• M6: 3,605,608 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.9

Radius: 3.2

Gravity: 74.6 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.04 AU - 6.92 AU

Year: 11188 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,775,686 km

• M1: 39,793 km (0.036 R)
• M2: 571,763 km (0.109 R)
• M3: 691,142 km (0.109 R)
• M4: 817,403 km (0.074 R)
• M5: 959,072 km (0.112 R)
• M6: 1,386,323 km (0.118 R)
• M7: 1,697,038 km (0.055 R)
• M8: 2,795,386 km (0.056 R)
• M9: 2,908,033 km (0.051 R)
• M10: 4,788,777 km (0.086 R)
• M11: 4,982,955 km (0.087 R)
• M12: 5,115,350 km (0.118 R)
• M13: 6,414,906 km (0.083 R)
• M14: 8,562,833 km (0.1 R)
• M15: 11,660,107 km (0.07 R)
• M16: 14,072,373 km (0.119 R)
• M17: 17,472,283 km (0.065 R)
• M18: 24,573,245 km (0.116 R)
• M19: 25,344,871 km (0.09 R)
• M20: 29,338,985 km (0.116 R)
• M21: 34,206,600 km (0.05 R)
• M22: 35,777,677 km (0.102 R)
• M23: 37,522,736 km (0.105 R)
• M24: 38,031,519 km (0.07 R)
• M25: 41,316,389 km (0.035 R)
• M26: 46,517,009 km (0.099 R)
• M27: 48,593,428 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556

Radius: 7.9

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.95 AU - 11.43 AU

Year: 22062 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,775,686 km

• M1: 98,735 km (0.098 R)
• M2: 353,649 km (0.108 R)
• M3: 642,224 km (0.106 R)
• M4: 904,020 km (0.039 R)
• M5: 1,604,437 km (0.118 R)
• M6: 1,850,077 km (0.064 R)
• M7: 2,917,906 km (0.09 R)
• M8: 3,398,864 km (0.079 R)
• M9: 4,484,495 km (0.116 R)
• M10: 5,468,101 km (0.109 R)
• M11: 8,467,539 km (0.118 R)
• M12: 8,731,878 km (0.067 R)
• M13: 10,800,667 km (0.03 R)
• M14: 12,689,041 km (0.091 R)
• M15: 16,200,552 km (0.099 R)
• M16: 16,526,376 km (0.083 R)
• M17: 18,663,082 km (0.088 R)
• M18: 19,201,934 km (0.12 R)
• M19: 21,756,467 km (0.115 R)
• M20: 24,958,909 km (0.117 R)
• M21: 26,055,611 km (0.08 R)
• M22: 31,264,609 km (0.112 R)
• M23: 31,516,531 km (0.112 R)
• M24: 34,378,937 km (0.076 R)
• M25: 35,188,710 km (0.093 R)
• M26: 36,846,255 km (0.105 R)
• M27: 38,123,073 km (0.106 R)
• M28: 40,316,327 km (0.046 R)
• M29: 41,368,000 km (0.082 R)
• M30: 60,969,959 km (0.056 R)
• M31: 68,104,431 km (0.105 R)
• M32: 72,421,077 km (0.114 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 14,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit