🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 10.8

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.01 AU - 1.25 AU

Year: 801 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,911,013 km

• M1: 134,339 km (0.053 R)
• M2: 574,007 km (0.039 R)
• M3: 950,246 km (0.077 R)
• M4: 1,622,389 km (0.057 R)
• M5: 2,143,438 km (0.093 R)
• M6: 2,488,112 km (0.076 R)
• M7: 2,882,302 km (0.111 R)
• M8: 3,538,139 km (0.098 R)
• M9: 4,070,109 km (0.104 R)
• M10: 4,774,715 km (0.087 R)
• M11: 5,350,368 km (0.119 R)
• M12: 5,891,463 km (0.103 R)
• M13: 6,490,154 km (0.117 R)
• M14: 6,948,671 km (0.088 R)
• M15: 7,405,394 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.5

Radius: 14.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.15 AU - 1.65 AU

Year: 1105 Days

Day: 15 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,911,013 km

• M1: 176,675 km (0.09 R)
• M2: 676,930 km (0.095 R)
• M3: 1,145,920 km (0.091 R)
• M4: 1,770,042 km (0.119 R)
• M5: 2,226,166 km (0.074 R)
• M6: 2,761,876 km (0.081 R)
• M7: 3,527,667 km (0.107 R)
• M8: 4,179,615 km (0.102 R)
• M9: 4,985,050 km (0.062 R)
• M10: 5,524,649 km (0.096 R)
• M11: 5,996,780 km (0.116 R)
• M12: 6,859,661 km (0.093 R)
• M13: 7,529,111 km (0.03 R)
• M14: 8,137,227 km (0.031 R)
• M15: 8,833,006 km (0.038 R)
• M16: 9,452,491 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760

Radius: 8.7

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.59 AU - 1.99 AU

Year: 1597 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,911,013 km

• M1: 108,159 km (0.094 R)
• M2: 413,040 km (0.041 R)
• M3: 897,438 km (0.08 R)
• M4: 1,182,422 km (0.064 R)
• M5: 1,519,466 km (0.118 R)
• M6: 1,866,682 km (0.087 R)
• M7: 2,194,152 km (0.111 R)
• M8: 2,654,315 km (0.112 R)
• M9: 3,101,014 km (0.089 R)
• M10: 4,016,703 km (0.061 R)
• M11: 4,850,412 km (0.068 R)
• M12: 5,145,269 km (0.119 R)
• M13: 5,452,244 km (0.095 R)
• M14: 5,725,111 km (0.11 R)
• M15: 6,151,614 km (0.11 R)
• M16: 6,727,117 km (0.12 R)
• M17: 7,041,422 km (0.088 R)
• M18: 7,392,977 km (0.041 R)
• M19: 8,131,392 km (0.102 R)
• M20: 8,640,175 km (0.074 R)
• M21: 10,055,969 km (0.067 R)
• M22: 11,033,741 km (0.084 R)
• M23: 13,177,478 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 14

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.94 AU - 1.98 AU

Year: 1830 Days

Day: 11 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,911,013 km

• M1: 174,132 km (0.069 R)
• M2: 616,044 km (0.106 R)
• M3: 2,036,177 km (0.034 R)
• M4: 2,623,498 km (0.117 R)
• M5: 4,555,554 km (0.089 R)
• M6: 6,532,341 km (0.083 R)
• M7: 7,223,932 km (0.07 R)
• M8: 8,936,678 km (0.086 R)
• M9: 9,628,119 km (0.117 R)
• M10: 11,118,413 km (0.082 R)
• M11: 13,032,368 km (0.075 R)
• M12: 13,881,336 km (0.116 R)

Asteroid Belt

Center: 2.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.5

Radius: 9.5

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.9 AU - 3.58 AU

Year: 3889 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,911,013 km

• M1: 118,631 km (0.065 R)
• M2: 430,991 km (0.107 R)
• M3: 1,614,161 km (0.076 R)
• M4: 2,135,210 km (0.055 R)
• M5: 2,450,862 km (0.108 R)
• M6: 4,437,522 km (0.111 R)
• M7: 5,030,079 km (0.049 R)
• M8: 5,358,596 km (0.077 R)
• M9: 6,257,380 km (0.102 R)
• M10: 9,481,812 km (0.066 R)
• M11: 11,001,876 km (0.082 R)
• M12: 12,402,711 km (0.037 R)
• M13: 14,166,470 km (0.109 R)
• M14: 17,258,508 km (0.118 R)
• M15: 17,717,624 km (0.068 R)
• M16: 18,362,091 km (0.118 R)
• M17: 19,388,782 km (0.119 R)
• M18: 21,490,482 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192

Radius: 12.4

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.36 AU - 6.76 AU

Year: 8743 Days

Day: 12 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,911,013 km

• M1: 154,684 km (0.091 R)
• M2: 924,365 km (0.091 R)
• M3: 1,552,826 km (0.117 R)
• M4: 3,153,972 km (0.049 R)
• M5: 3,551,603 km (0.108 R)
• M6: 4,305,726 km (0.071 R)
• M7: 4,874,497 km (0.095 R)
• M8: 5,465,109 km (0.106 R)
• M9: 6,316,022 km (0.108 R)
• M10: 7,152,274 km (0.078 R)
• M11: 8,695,675 km (0.052 R)
• M12: 9,689,604 km (0.108 R)
• M13: 10,494,291 km (0.098 R)
• M14: 16,583,822 km (0.037 R)
• M15: 19,860,913 km (0.108 R)
• M16: 20,812,056 km (0.106 R)
• M17: 21,651,300 km (0.078 R)
• M18: 23,923,991 km (0.101 R)
• M19: 24,535,397 km (0.074 R)
• M20: 26,190,099 km (0.108 R)
• M21: 27,583,155 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.3

Radius: 3.9

Gravity: 34.47 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.78 AU - 10.78 AU

Year: 18852 Days

Day: 18.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,911,013 km

• M1: 48,470 km (0.08 R)
• M2: 220,358 km (0.118 R)
• M3: 388,655 km (0.111 R)
• M4: 861,983 km (0.073 R)
• M5: 1,580,053 km (0.08 R)
• M6: 1,871,918 km (0.113 R)
• M7: 2,301,713 km (0.06 R)
• M8: 3,065,260 km (0.113 R)
• M9: 4,656,683 km (0.113 R)
• M10: 9,022,696 km (0.11 R)
• M11: 10,002,862 km (0.116 R)
• M12: 10,991,704 km (0.088 R)
• M13: 11,540,877 km (0.097 R)
• M14: 17,007,184 km (0.112 R)
• M15: 20,703,448 km (0.084 R)
• M16: 20,979,605 km (0.115 R)
• M17: 25,213,375 km (0.1 R)
• M18: 27,584,501 km (0.104 R)
• M19: 27,807,252 km (0.082 R)
• M20: 28,031,051 km (0.089 R)
• M21: 28,256,195 km (0.109 R)
• M22: 33,771,121 km (0.106 R)
• M23: 38,141,623 km (0.025 R)
• M24: 40,390,079 km (0.104 R)
• M25: 42,280,846 km (0.084 R)
• M26: 42,428,649 km (0.066 R)
• M27: 43,023,450 km (0.082 R)
• M28: 43,322,945 km (0.096 R)
• M29: 43,774,731 km (0.088 R)
• M30: 51,101,436 km (0.083 R)
• M31: 54,877,436 km (0.083 R)
• M32: 61,072,134 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 15,670 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit