🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 14

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.8 AU - 0.86 AU

Year: 522 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 91,379,417 km

• M1: 180,565 km (0.06 R)
• M2: 634,893 km (0.102 R)
• M3: 1,396,347 km (0.085 R)
• M4: 2,415,258 km (0.11 R)
• M5: 3,171,774 km (0.027 R)
• M6: 4,660,422 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434

Radius: 8.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.15 AU - 1.25 AU

Year: 907 Days

Day: 8.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,379,417 km

• M1: 111,600 km (0.089 R)
• M2: 509,530 km (0.086 R)
• M3: 795,262 km (0.075 R)
• M4: 1,244,205 km (0.082 R)
• M5: 1,590,076 km (0.065 R)
• M6: 1,945,072 km (0.058 R)
• M7: 2,270,896 km (0.104 R)
• M8: 3,782,881 km (0.1 R)
• M9: 4,078,487 km (0.117 R)
• M10: 5,024,544 km (0.099 R)
• M11: 5,951,751 km (0.09 R)
• M12: 6,815,230 km (0.055 R)
• M13: 7,277,188 km (0.086 R)
• M14: 7,997,203 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.2

Radius: 12.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.5 AU - 1.74 AU

Year: 1423 Days

Day: 14 Hours

Environment

Temp: -193 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,379,417 km

• M1: 151,842 km (0.106 R)
• M2: 546,631 km (0.046 R)
• M3: 1,254,229 km (0.052 R)
• M4: 1,702,723 km (0.118 R)
• M5: 2,154,209 km (0.092 R)
• M6: 3,092,936 km (0.091 R)
• M7: 3,476,954 km (0.089 R)
• M8: 4,417,326 km (0.068 R)
• M9: 5,675,743 km (0.11 R)
• M10: 6,089,381 km (0.119 R)
• M11: 6,926,082 km (0.082 R)
• M12: 7,345,704 km (0.115 R)
• M13: 8,092,347 km (0.105 R)
• M14: 8,707,494 km (0.119 R)
• M15: 9,322,042 km (0.106 R)
• M16: 10,097,707 km (0.066 R)
• M17: 11,925,493 km (0.07 R)
• M18: 13,596,053 km (0.089 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776.1

Radius: 5.9

Gravity: 22.3 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.78 AU - 8.52 AU

Year: 14605 Days

Day: 19.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,379,417 km

• M1: 84,074 km (0.09 R)
• M2: 294,558 km (0.113 R)
• M3: 507,137 km (0.047 R)
• M4: 785,838 km (0.111 R)
• M5: 1,018,313 km (0.057 R)
• M6: 1,228,947 km (0.111 R)
• M7: 1,514,230 km (0.103 R)
• M8: 3,571,200 km (0.083 R)
• M9: 7,002,826 km (0.096 R)
• M10: 8,008,872 km (0.083 R)
• M11: 12,739,755 km (0.102 R)
• M12: 13,403,969 km (0.088 R)
• M13: 15,018,729 km (0.107 R)
• M14: 21,456,972 km (0.062 R)
• M15: 23,362,400 km (0.071 R)
• M16: 26,004,149 km (0.074 R)
• M17: 34,092,906 km (0.114 R)
• M18: 38,839,497 km (0.099 R)
• M19: 41,083,614 km (0.088 R)
• M20: 43,858,954 km (0.074 R)
• M21: 47,225,654 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.2

Radius: 7.5

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.44 AU - 8 AU

Year: 14806 Days

Day: 23.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,379,417 km

• M1: 248,781 km (0.109 R)
• M2: 537,655 km (0.091 R)
• M3: 842,984 km (0.086 R)
• M4: 1,091,017 km (0.063 R)
• M5: 1,665,473 km (0.086 R)
• M6: 7,236,199 km (0.081 R)
• M7: 7,522,978 km (0.106 R)
• M8: 7,902,807 km (0.114 R)
• M9: 8,792,764 km (0.091 R)
• M10: 10,717,939 km (0.094 R)
• M11: 11,638,864 km (0.073 R)
• M12: 19,143,890 km (0.103 R)
• M13: 20,253,308 km (0.115 R)
• M14: 22,426,516 km (0.075 R)
• M15: 24,658,217 km (0.065 R)
• M16: 33,462,650 km (0.049 R)
• M17: 35,303,302 km (0.075 R)
• M18: 39,816,371 km (0.119 R)
• M19: 42,013,216 km (0.104 R)
• M20: 43,342,542 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.7

Radius: 7.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.05 AU - 11.59 AU

Year: 19640 Days

Day: 23 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,379,417 km

• M1: 90,806 km (0.064 R)
• M2: 512,373 km (0.105 R)
• M3: 1,589,777 km (0.119 R)
• M4: 2,156,603 km (0.053 R)
• M5: 2,448,768 km (0.116 R)
• M6: 3,001,831 km (0.037 R)
• M7: 5,793,626 km (0.087 R)
• M8: 6,288,346 km (0.093 R)
• M9: 9,670,904 km (0.118 R)
• M10: 11,364,053 km (0.1 R)
• M11: 11,802,524 km (0.07 R)
• M12: 12,481,250 km (0.036 R)
• M13: 14,545,850 km (0.1 R)
• M14: 15,928,882 km (0.104 R)
• M15: 19,338,068 km (0.102 R)
• M16: 22,257,171 km (0.115 R)
• M17: 23,643,943 km (0.063 R)
• M18: 25,924,713 km (0.083 R)
• M19: 26,302,746 km (0.105 R)
• M20: 27,950,567 km (0.088 R)
• M21: 32,205,878 km (0.051 R)
• M22: 36,281,822 km (0.096 R)
• M23: 36,873,781 km (0.117 R)
• M24: 37,112,389 km (0.039 R)
• M25: 38,077,146 km (0.089 R)
• M26: 40,308,697 km (0.085 R)
• M27: 42,757,166 km (0.056 R)
• M28: 43,284,947 km (0.097 R)
• M29: 45,166,589 km (0.106 R)
• M30: 46,265,984 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883

Radius: 6.5

Gravity: 20.9 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 9.11 AU - 11.71 AU

Year: 23184 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 91,379,417 km

• M1: 86,617 km (0.116 R)
• M2: 382,821 km (0.054 R)
• M3: 697,276 km (0.025 R)
• M4: 1,191,697 km (0.103 R)
• M5: 2,172,161 km (0.085 R)
• M6: 2,377,409 km (0.083 R)
• M7: 3,829,855 km (0.085 R)
• M8: 5,496,525 km (0.071 R)
• M9: 6,145,780 km (0.038 R)
• M10: 7,390,434 km (0.073 R)
• M11: 7,647,892 km (0.11 R)
• M12: 8,345,018 km (0.11 R)
• M13: 8,967,495 km (0.104 R)
• M14: 9,379,338 km (0.111 R)
• M15: 11,493,156 km (0.075 R)
• M16: 14,061,452 km (0.048 R)
• M17: 15,437,004 km (0.041 R)
• M18: 21,317,697 km (0.048 R)
• M19: 22,157,240 km (0.086 R)
• M20: 23,347,440 km (0.064 R)
• M21: 23,790,549 km (0.102 R)
• M22: 26,090,916 km (0.05 R)
• M23: 26,328,776 km (0.11 R)
• M24: 28,034,791 km (0.092 R)
• M25: 29,425,901 km (0.107 R)
• M26: 29,943,061 km (0.097 R)
• M27: 31,665,381 km (0.098 R)
• M28: 32,619,666 km (0.081 R)
• M29: 33,593,099 km (0.042 R)
• M30: 36,184,583 km (0.069 R)
• M31: 39,843,149 km (0.098 R)
• M32: 48,242,172 km (0.106 R)
• M33: 53,616,176 km (0.089 R)
• M34: 56,546,350 km (0.085 R)
• M35: 68,654,203 km (0.074 R)
• M36: 76,154,292 km (0.09 R)
• M37: 81,108,674 km (0.111 R)
• M38: 86,010,398 km (0.073 R)
• M39: 86,801,921 km (0.094 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 14,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit