🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.5

Radius: 10.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.47 AU - 0.77 AU

Year: 337 Days

Day: 11.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,047,957 km

• M1: 129,701 km (0.103 R)
• M2: 479,312 km (0.088 R)
• M3: 922,121 km (0.11 R)
• M4: 1,836,314 km (0.053 R)
• M5: 2,204,474 km (0.119 R)
• M6: 2,561,864 km (0.115 R)
• M7: 2,901,600 km (0.043 R)
• M8: 3,261,533 km (0.106 R)
• M9: 3,886,253 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.4

Radius: 12.6

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.89 AU - 0.99 AU

Year: 629 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,047,957 km

• M1: 156,779 km (0.052 R)
• M2: 1,012,628 km (0.055 R)
• M3: 1,485,058 km (0.081 R)
• M4: 2,096,016 km (0.026 R)
• M5: 2,520,275 km (0.061 R)
• M6: 2,941,842 km (0.072 R)
• M7: 3,559,681 km (0.102 R)
• M8: 4,533,264 km (0.063 R)
• M9: 5,507,745 km (0.076 R)
• M10: 6,574,976 km (0.119 R)
• M11: 7,382,805 km (0.092 R)
• M12: 8,158,170 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225

Radius: 11.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.17 AU - 1.39 AU

Year: 1000 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,047,957 km

• M1: 143,016 km (0.053 R)
• M2: 508,184 km (0.069 R)
• M3: 924,664 km (0.094 R)
• M4: 1,743,114 km (0.057 R)
• M5: 2,476,144 km (0.078 R)
• M6: 2,858,516 km (0.103 R)
• M7: 3,703,594 km (0.062 R)
• M8: 6,338,013 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 9.7

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.24 AU - 1.66 AU

Year: 1205 Days

Day: 7.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,047,957 km

• M1: 120,576 km (0.104 R)
• M2: 422,913 km (0.066 R)
• M3: 832,512 km (0.091 R)
• M4: 1,160,879 km (0.106 R)
• M5: 1,471,145 km (0.116 R)
• M6: 1,928,167 km (0.106 R)
• M7: 2,274,636 km (0.092 R)
• M8: 2,779,977 km (0.095 R)
• M9: 3,248,967 km (0.115 R)
• M10: 4,030,017 km (0.118 R)
• M11: 4,525,336 km (0.098 R)
• M12: 5,655,847 km (0.115 R)
• M13: 6,644,838 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.4

Radius: 8.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.85 AU - 2.75 AU

Year: 2408 Days

Day: 6.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,047,957 km

• M1: 104,569 km (0.115 R)
• M2: 386,411 km (0.099 R)
• M3: 657,333 km (0.104 R)
• M4: 946,655 km (0.111 R)
• M5: 1,257,221 km (0.077 R)
• M6: 1,550,432 km (0.061 R)
• M7: 1,836,763 km (0.1 R)
• M8: 2,314,877 km (0.044 R)
• M9: 2,570,391 km (0.037 R)
• M10: 2,916,710 km (0.117 R)
• M11: 3,231,314 km (0.088 R)
• M12: 3,502,685 km (0.118 R)
• M13: 4,183,205 km (0.109 R)
• M14: 4,545,382 km (0.047 R)
• M15: 5,509,540 km (0.093 R)
• M16: 6,016,078 km (0.103 R)
• M17: 6,428,669 km (0.1 R)
• M18: 6,964,080 km (0.085 R)
• M19: 7,752,012 km (0.034 R)
• M20: 8,299,540 km (0.119 R)
• M21: 10,030,687 km (0.09 R)
• M22: 12,840,584 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.2

Radius: 10.3

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.96 AU - 5 AU

Year: 6545 Days

Day: 10.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,047,957 km

• M1: 136,732 km (0.056 R)
• M2: 892,052 km (0.049 R)
• M3: 2,201,183 km (0.116 R)
• M4: 2,951,416 km (0.097 R)
• M5: 3,913,032 km (0.115 R)
• M6: 6,444,527 km (0.112 R)
• M7: 8,294,903 km (0.105 R)
• M8: 8,969,290 km (0.066 R)
• M9: 9,771,135 km (0.036 R)
• M10: 11,880,016 km (0.105 R)
• M11: 13,068,720 km (0.067 R)
• M12: 13,406,363 km (0.107 R)
• M13: 14,998,084 km (0.098 R)
• M14: 17,177,276 km (0.077 R)
• M15: 19,486,469 km (0.11 R)
• M16: 20,906,003 km (0.08 R)
• M17: 22,634,457 km (0.075 R)
• M18: 23,285,956 km (0.055 R)
• M19: 26,552,874 km (0.064 R)
• M20: 27,186,271 km (0.073 R)
• M21: 29,051,757 km (0.107 R)
• M22: 29,531,068 km (0.092 R)
• M23: 31,804,507 km (0.094 R)
• M24: 34,405,416 km (0.076 R)
• M25: 35,812,384 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234

Radius: 7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.63 AU - 11.01 AU

Year: 21241 Days

Day: 15.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,047,957 km

• M1: 87,066 km (0.088 R)
• M2: 309,219 km (0.108 R)
• M3: 1,915,601 km (0.072 R)
• M4: 2,623,498 km (0.119 R)
• M5: 3,144,398 km (0.113 R)
• M6: 4,451,733 km (0.058 R)
• M7: 5,863,189 km (0.111 R)
• M8: 6,955,852 km (0.113 R)
• M9: 10,984,972 km (0.077 R)
• M10: 15,338,868 km (0.119 R)
• M11: 16,417,618 km (0.047 R)
• M12: 18,886,432 km (0.117 R)
• M13: 21,066,522 km (0.091 R)
• M14: 22,127,021 km (0.102 R)
• M15: 25,620,879 km (0.087 R)
• M16: 26,220,019 km (0.086 R)
• M17: 26,726,557 km (0.113 R)
• M18: 27,550,393 km (0.073 R)
• M19: 35,371,818 km (0.108 R)
• M20: 37,503,438 km (0.103 R)
• M21: 42,853,806 km (0.079 R)
• M22: 43,556,318 km (0.056 R)
• M23: 47,334,262 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.7

Radius: 3.3

Gravity: 76.46 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.14 AU - 10.62 AU

Year: 21436 Days

Day: 22.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 85,047,957 km

• M1: 41,139 km (0.108 R)
• M2: 166,951 km (0.096 R)
• M3: 436,975 km (0.089 R)
• M4: 579,243 km (0.046 R)
• M5: 971,040 km (0.086 R)
• M6: 1,130,212 km (0.117 R)
• M7: 1,337,704 km (0.114 R)
• M8: 1,484,011 km (0.093 R)
• M9: 2,114,267 km (0.09 R)
• M10: 3,265,572 km (0.09 R)
• M11: 3,812,053 km (0.073 R)
• M12: 5,044,889 km (0.098 R)
• M13: 5,772,084 km (0.086 R)
• M14: 5,986,009 km (0.057 R)
• M15: 6,659,200 km (0.119 R)
• M16: 9,859,397 km (0.116 R)
• M17: 13,501,058 km (0.079 R)
• M18: 15,049,695 km (0.093 R)
• M19: 16,286,122 km (0.119 R)
• M20: 17,411,098 km (0.087 R)
• M21: 18,586,787 km (0.059 R)
• M22: 23,819,721 km (0.11 R)
• M23: 24,480,196 km (0.07 R)
• M24: 24,591,496 km (0.103 R)
• M25: 24,927,194 km (0.099 R)
• M26: 25,608,014 km (0.053 R)
• M27: 27,006,455 km (0.066 R)
• M28: 28,088,197 km (0.061 R)
• M29: 39,457,486 km (0.047 R)
• M30: 41,793,756 km (0.092 R)
• M31: 44,717,048 km (0.093 R)
• M32: 47,773,781 km (0.087 R)
• M33: 54,488,332 km (0.107 R)
• M34: 58,366,806 km (0.11 R)
• M35: 62,840,979 km (0.085 R)
• M36: 71,551,614 km (0.12 R)
• M37: 72,235,576 km (0.185 R)
• M38: 75,720,757 km (0.051 R)
• M39: 80,785,842 km (0.03 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 18,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit