🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 10.1

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.39 AU - 1.57 AU

Year: 1221 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,545,707 km

• M1: 125,662 km (0.069 R)
• M2: 729,589 km (0.116 R)
• M3: 1,101,340 km (0.105 R)
• M4: 1,472,641 km (0.107 R)
• M5: 1,890,468 km (0.106 R)
• M6: 2,532,393 km (0.118 R)
• M7: 3,439,704 km (0.109 R)
• M8: 4,584,876 km (0.108 R)
• M9: 5,122,979 km (0.076 R)
• M10: 5,967,309 km (0.054 R)
• M11: 6,856,370 km (0.101 R)
• M12: 7,609,595 km (0.078 R)
• M13: 8,287,273 km (0.086 R)
• M14: 8,680,865 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 9.6

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.6 AU - 2.48 AU

Year: 1976 Days

Day: 9.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,545,707 km

• M1: 119,379 km (0.113 R)
• M2: 549,174 km (0.06 R)
• M3: 1,163,123 km (0.09 R)
• M4: 1,705,865 km (0.102 R)
• M5: 2,422,887 km (0.109 R)
• M6: 2,800,771 km (0.067 R)
• M7: 3,441,948 km (0.113 R)
• M8: 5,230,091 km (0.108 R)
• M9: 6,104,491 km (0.094 R)
• M10: 6,808,947 km (0.086 R)
• M11: 7,936,915 km (0.079 R)
• M12: 8,349,356 km (0.081 R)
• M13: 8,776,009 km (0.084 R)
• M14: 9,121,431 km (0.047 R)
• M15: 9,706,209 km (0.111 R)
• M16: 11,799,532 km (0.04 R)
• M17: 12,652,090 km (0.108 R)
• M18: 13,338,445 km (0.106 R)
• M19: 14,566,345 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.2

Radius: 14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.42 AU - 3.22 AU

Year: 3212 Days

Day: 12 Hours

Environment

Temp: -214 °C

Axial Tilt: 67.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,545,707 km

• M1: 175,179 km (0.085 R)
• M2: 893,398 km (0.075 R)
• M3: 1,735,335 km (0.041 R)
• M4: 5,578,804 km (0.085 R)
• M5: 8,991,430 km (0.111 R)
• M6: 10,667,974 km (0.044 R)
• M7: 14,197,287 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.3

Radius: 8.6

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.76 AU - 3.94 AU

Year: 5124 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,545,707 km

• M1: 107,112 km (0.034 R)
• M2: 374,743 km (0.04 R)
• M3: 687,253 km (0.09 R)
• M4: 1,188,854 km (0.067 R)
• M5: 1,612,515 km (0.089 R)
• M6: 1,984,416 km (0.06 R)
• M7: 2,322,357 km (0.109 R)
• M8: 3,244,927 km (0.073 R)
• M9: 3,574,641 km (0.117 R)
• M10: 4,211,330 km (0.061 R)
• M11: 4,557,050 km (0.098 R)
• M12: 5,599,897 km (0.117 R)
• M13: 5,990,048 km (0.037 R)
• M14: 6,398,301 km (0.109 R)
• M15: 7,109,340 km (0.094 R)
• M16: 7,634,279 km (0.099 R)
• M17: 9,756,474 km (0.095 R)
• M18: 10,782,117 km (0.099 R)
• M19: 11,211,912 km (0.109 R)
• M20: 12,429,788 km (0.112 R)
• M21: 17,889,961 km (0.106 R)
• M22: 20,187,784 km (0.065 R)
• M23: 22,258,966 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.5

Radius: 12.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.74 AU - 4.7 AU

Year: 5880 Days

Day: 12.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,545,707 km

• M1: 151,842 km (0.07 R)
• M2: 660,774 km (0.12 R)
• M3: 1,139,038 km (0.114 R)
• M4: 1,810,583 km (0.111 R)
• M5: 3,022,027 km (0.08 R)
• M6: 4,130,248 km (0.108 R)
• M7: 4,613,000 km (0.118 R)
• M8: 5,214,533 km (0.103 R)
• M9: 6,966,474 km (0.081 R)
• M10: 7,617,823 km (0.095 R)
• M11: 10,374,014 km (0.117 R)
• M12: 12,911,343 km (0.116 R)
• M13: 15,264,817 km (0.098 R)
• M14: 24,253,405 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.4

Radius: 4

Gravity: 45.46 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.27 AU - 10.41 AU

Year: 17827 Days

Day: 15.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 59,545,707 km

• M1: 66,122 km (0.056 R)
• M2: 230,530 km (0.085 R)
• M3: 384,317 km (0.096 R)
• M4: 696,228 km (0.076 R)
• M5: 923,916 km (0.085 R)
• M6: 1,067,979 km (0.115 R)
• M7: 1,255,126 km (0.093 R)
• M8: 1,402,031 km (0.071 R)
• M9: 1,593,367 km (0.093 R)
• M10: 2,360,206 km (0.103 R)
• M11: 2,493,348 km (0.118 R)
• M12: 2,898,608 km (0.095 R)
• M13: 3,374,030 km (0.119 R)
• M14: 3,543,375 km (0.113 R)
• M15: 5,410,805 km (0.093 R)
• M16: 5,842,096 km (0.088 R)
• M17: 6,509,901 km (0.038 R)
• M18: 7,134,622 km (0.084 R)
• M19: 7,896,524 km (0.087 R)
• M20: 8,976,770 km (0.111 R)
• M21: 10,446,120 km (0.085 R)
• M22: 12,667,200 km (0.107 R)
• M23: 18,186,464 km (0.12 R)
• M24: 20,425,046 km (0.096 R)
• M25: 22,343,040 km (0.104 R)
• M26: 24,693,223 km (0.102 R)
• M27: 25,439,866 km (0.089 R)
• M28: 31,216,737 km (0.077 R)
• M29: 33,493,318 km (0.109 R)
• M30: 35,742,671 km (0.034 R)
• M31: 36,560,074 km (0.066 R)
• M32: 39,374,608 km (0.107 R)
• M33: 43,398,492 km (0.076 R)
• M34: 44,484,722 km (0.117 R)
• M35: 45,271,756 km (0.07 R)
• M36: 52,077,562 km (0.104 R)
• M37: 54,013,059 km (0.114 R)
• M38: 58,777,303 km (0.108 R)
• M39: 59,154,888 km (0.089 R)
• M40: 61,844,059 km (0.113 R)
• M41: 65,419,747 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.9

Radius: 3.6

Gravity: 26.69 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.19 AU - 10.57 AU

Year: 19485 Days

Day: 20.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,545,707 km

• M1: 44,879 km (0.099 R)
• M2: 403,465 km (0.108 R)
• M3: 695,780 km (0.049 R)
• M4: 898,485 km (0.102 R)
• M5: 1,228,947 km (0.079 R)
• M6: 1,635,254 km (0.071 R)
• M7: 2,342,403 km (0.112 R)
• M8: 2,552,439 km (0.051 R)
• M9: 3,796,046 km (0.089 R)
• M10: 4,236,313 km (0.091 R)
• M11: 5,761,164 km (0.101 R)
• M12: 6,421,638 km (0.087 R)
• M13: 7,131,031 km (0.105 R)
• M14: 7,753,358 km (0.064 R)
• M15: 8,753,570 km (0.076 R)
• M16: 9,003,697 km (0.077 R)
• M17: 11,415,514 km (0.108 R)
• M18: 15,642,552 km (0.088 R)
• M19: 16,612,544 km (0.095 R)
• M20: 17,151,097 km (0.044 R)
• M21: 21,885,271 km (0.094 R)
• M22: 26,683,174 km (0.072 R)
• M23: 27,848,840 km (0.108 R)
• M24: 45,775,752 km (0.104 R)
• M25: 46,377,434 km (0.091 R)
• M26: 49,150,530 km (0.046 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: 427 - 10,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit