🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.8

Radius: 9.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.7 AU - 0.82 AU

Year: 449 Days

Day: 5.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,425,178 km

• M1: 119,529 km (0.079 R)
• M2: 748,588 km (0.103 R)
• M3: 1,221,317 km (0.106 R)
• M4: 1,546,393 km (0.084 R)
• M5: 2,073,726 km (0.065 R)
• M6: 2,698,596 km (0.096 R)
• M7: 3,659,164 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 9.8

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.58 AU - 1.64 AU

Year: 1386 Days

Day: 9.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,425,178 km

• M1: 122,221 km (0.101 R)
• M2: 486,941 km (0.051 R)
• M3: 830,717 km (0.099 R)
• M4: 1,146,069 km (0.087 R)
• M5: 1,491,042 km (0.071 R)
• M6: 1,957,937 km (0.102 R)
• M7: 2,971,463 km (0.119 R)
• M8: 4,675,532 km (0.103 R)
• M9: 5,151,702 km (0.054 R)
• M10: 5,638,194 km (0.053 R)
• M11: 7,180,249 km (0.094 R)
• M12: 7,599,422 km (0.045 R)
• M13: 9,349,568 km (0.083 R)
• M14: 10,335,268 km (0.116 R)
• M15: 11,006,963 km (0.097 R)
• M16: 12,032,306 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 8.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.4 AU - 3.78 AU

Year: 3684 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,425,178 km

• M1: 110,702 km (0.062 R)
• M2: 562,189 km (0.109 R)
• M3: 840,441 km (0.045 R)
• M4: 1,222,065 km (0.09 R)
• M5: 1,778,270 km (0.065 R)
• M6: 2,173,507 km (0.049 R)
• M7: 2,547,053 km (0.07 R)
• M8: 3,172,372 km (0.06 R)
• M9: 3,809,061 km (0.101 R)
• M10: 4,489,432 km (0.081 R)
• M11: 5,077,501 km (0.11 R)
• M12: 5,877,850 km (0.091 R)
• M13: 7,152,573 km (0.066 R)
• M14: 8,723,800 km (0.086 R)
• M15: 10,069,732 km (0.102 R)
• M16: 10,582,404 km (0.111 R)
• M17: 11,959,303 km (0.09 R)
• M18: 13,864,431 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 12.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.8 AU - 4.02 AU

Year: 5244 Days

Day: 12.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,425,178 km

• M1: 155,731 km (0.057 R)
• M2: 771,775 km (0.095 R)
• M3: 2,235,441 km (0.109 R)
• M4: 3,245,376 km (0.113 R)
• M5: 3,913,331 km (0.103 R)
• M6: 5,258,515 km (0.075 R)
• M7: 7,578,927 km (0.118 R)
• M8: 8,272,014 km (0.115 R)
• M9: 9,874,207 km (0.116 R)
• M10: 10,748,906 km (0.087 R)
• M11: 11,278,483 km (0.101 R)
• M12: 14,078,356 km (0.095 R)
• M13: 14,948,268 km (0.066 R)
• M14: 15,669,779 km (0.089 R)
• M15: 16,923,708 km (0.12 R)
• M16: 17,707,601 km (0.117 R)
• M17: 18,859,355 km (0.116 R)
• M18: 20,350,247 km (0.117 R)
• M19: 21,462,208 km (0.095 R)
• M20: 26,753,634 km (0.047 R)
• M21: 28,633,631 km (0.106 R)
• M22: 29,652,841 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.4

Radius: 4.7

Gravity: 19.89 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.67 AU - 8.69 AU

Year: 13049 Days

Day: 21.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,425,178 km

• M1: 58,493 km (0.097 R)
• M2: 245,640 km (0.08 R)
• M3: 441,164 km (0.044 R)
• M4: 935,136 km (0.086 R)
• M5: 1,083,837 km (0.12 R)
• M6: 1,416,542 km (0.047 R)
• M7: 1,599,500 km (0.084 R)
• M8: 1,846,487 km (0.063 R)
• M9: 2,136,407 km (0.092 R)
• M10: 2,596,570 km (0.111 R)
• M11: 3,120,312 km (0.053 R)
• M12: 3,285,468 km (0.045 R)
• M13: 3,633,732 km (0.096 R)
• M14: 5,614,109 km (0.112 R)
• M15: 6,002,465 km (0.103 R)
• M16: 6,333,226 km (0.118 R)
• M17: 6,676,104 km (0.09 R)
• M18: 7,357,373 km (0.118 R)
• M19: 7,651,033 km (0.108 R)
• M20: 8,487,435 km (0.073 R)
• M21: 9,980,123 km (0.116 R)
• M22: 10,236,384 km (0.119 R)
• M23: 13,166,109 km (0.067 R)
• M24: 13,661,577 km (0.086 R)
• M25: 14,887,681 km (0.097 R)
• M26: 22,655,850 km (0.085 R)
• M27: 23,546,555 km (0.118 R)
• M28: 24,460,299 km (0.117 R)
• M29: 27,643,592 km (0.091 R)
• M30: 28,352,686 km (0.038 R)
• M31: 30,767,644 km (0.11 R)
• M32: 32,526,167 km (0.099 R)
• M33: 33,544,181 km (0.107 R)
• M34: 38,451,889 km (0.108 R)
• M35: 39,334,965 km (0.092 R)
• M36: 41,141,509 km (0.089 R)
• M37: 44,503,721 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.4

Radius: 6.3

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.59 AU - 7.81 AU

Year: 13104 Days

Day: 22.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,425,178 km

• M1: 78,389 km (0.114 R)
• M2: 279,598 km (0.079 R)
• M3: 2,214,497 km (0.076 R)
• M4: 2,865,398 km (0.065 R)
• M5: 3,437,909 km (0.116 R)
• M6: 4,002,491 km (0.076 R)
• M7: 4,538,201 km (0.075 R)
• M8: 5,120,586 km (0.112 R)
• M9: 7,410,181 km (0.113 R)
• M10: 8,572,706 km (0.068 R)
• M11: 10,356,511 km (0.052 R)
• M12: 14,191,452 km (0.111 R)
• M13: 18,195,888 km (0.119 R)
• M14: 19,734,951 km (0.057 R)
• M15: 28,645,150 km (0.061 R)
• M16: 31,471,951 km (0.104 R)
• M17: 34,709,399 km (0.077 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: 233 - 15,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit