🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.9

Radius: 13.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.86 AU - 0.9 AU

Year: 533 Days

Day: 9.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,224,597 km

• M1: 170,542 km (0.081 R)
• M2: 605,871 km (0.112 R)
• M3: 1,109,567 km (0.092 R)
• M4: 1,589,178 km (0.031 R)
• M5: 2,428,721 km (0.082 R)
• M6: 3,209,772 km (0.052 R)
• M7: 3,808,313 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.1

Radius: 10.2

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.79 AU - 1.17 AU

Year: 626 Days

Day: 5.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 122.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,224,597 km

• M1: 127,457 km (0.096 R)
• M2: 450,140 km (0.096 R)
• M3: 928,853 km (0.099 R)
• M4: 1,458,729 km (0.081 R)
• M5: 2,437,548 km (0.104 R)
• M6: 2,864,350 km (0.101 R)
• M7: 3,227,873 km (0.083 R)
• M8: 3,586,310 km (0.046 R)
• M9: 4,048,866 km (0.1 R)
• M10: 4,452,930 km (0.093 R)
• M11: 4,854,301 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.4

Radius: 9.3

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.49 AU - 1.79 AU

Year: 1356 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,224,597 km

• M1: 115,938 km (0.108 R)
• M2: 623,374 km (0.109 R)
• M3: 919,877 km (0.102 R)
• M4: 1,329,925 km (0.108 R)
• M5: 1,625,082 km (0.112 R)
• M6: 2,512,496 km (0.081 R)
• M7: 3,070,945 km (0.104 R)
• M8: 3,498,346 km (0.119 R)
• M9: 3,878,774 km (0.105 R)
• M10: 4,379,029 km (0.111 R)
• M11: 4,742,701 km (0.058 R)
• M12: 5,043,842 km (0.066 R)
• M13: 5,443,867 km (0.09 R)
• M14: 5,774,478 km (0.114 R)
• M15: 7,338,972 km (0.106 R)
• M16: 7,688,433 km (0.063 R)
• M17: 8,190,633 km (0.11 R)
• M18: 9,168,106 km (0.056 R)
• M19: 9,605,530 km (0.106 R)
• M20: 10,056,866 km (0.109 R)
• M21: 10,898,055 km (0.115 R)
• M22: 13,107,317 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163

Radius: 14

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.48 AU - 1.9 AU

Year: 1419 Days

Day: 8.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,224,597 km

• M1: 182,210 km (0.085 R)
• M2: 1,279,211 km (0.096 R)
• M3: 2,365,142 km (0.091 R)
• M4: 3,015,295 km (0.041 R)
• M5: 4,161,065 km (0.1 R)
• M6: 4,596,694 km (0.066 R)
• M7: 6,369,877 km (0.108 R)
• M8: 7,844,314 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.2

Radius: 10.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.54 AU - 2.02 AU

Year: 1533 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,224,597 km

• M1: 133,142 km (0.1 R)
• M2: 471,532 km (0.117 R)
• M3: 1,069,176 km (0.085 R)
• M4: 1,485,058 km (0.083 R)
• M5: 1,843,195 km (0.09 R)
• M6: 2,616,168 km (0.104 R)
• M7: 3,839,579 km (0.113 R)
• M8: 4,299,592 km (0.035 R)
• M9: 5,174,291 km (0.087 R)
• M10: 6,098,058 km (0.033 R)
• M11: 6,913,516 km (0.09 R)
• M12: 8,085,615 km (0.077 R)
• M13: 8,677,724 km (0.087 R)
• M14: 9,708,902 km (0.053 R)
• M15: 10,131,366 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.9

Radius: 13

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.35 AU - 3.25 AU

Year: 3025 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,224,597 km

• M1: 161,715 km (0.042 R)
• M2: 632,500 km (0.055 R)
• M3: 1,206,956 km (0.09 R)
• M4: 2,123,392 km (0.106 R)
• M5: 2,823,809 km (0.063 R)
• M6: 3,551,453 km (0.078 R)
• M7: 7,291,400 km (0.095 R)
• M8: 7,930,632 km (0.106 R)
• M9: 8,386,457 km (0.118 R)
• M10: 11,198,448 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.1

Radius: 10.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.02 AU - 4.9 AU

Year: 6082 Days

Day: 12.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,224,597 km

• M1: 238,758 km (0.117 R)
• M2: 1,245,701 km (0.037 R)
• M3: 1,775,577 km (0.117 R)
• M4: 4,227,636 km (0.067 R)
• M5: 4,680,020 km (0.079 R)
• M6: 10,561,759 km (0.098 R)
• M7: 10,914,661 km (0.062 R)
• M8: 16,095,235 km (0.103 R)
• M9: 17,040,245 km (0.105 R)
• M10: 18,925,627 km (0.119 R)
• M11: 19,978,197 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.8

Radius: 7.2

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.16 AU - 7.78 AU

Year: 10626 Days

Day: 20.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,224,597 km

• M1: 91,703 km (0.048 R)
• M2: 339,138 km (0.073 R)
• M3: 752,776 km (0.088 R)
• M4: 1,028,186 km (0.08 R)
• M5: 1,998,029 km (0.109 R)
• M6: 2,765,765 km (0.118 R)
• M7: 3,087,251 km (0.088 R)
• M8: 3,433,570 km (0.102 R)
• M9: 3,671,431 km (0.101 R)
• M10: 6,728,763 km (0.065 R)
• M11: 8,041,334 km (0.11 R)
• M12: 10,340,055 km (0.047 R)
• M13: 11,833,341 km (0.103 R)
• M14: 12,428,741 km (0.104 R)
• M15: 13,841,094 km (0.085 R)
• M16: 15,415,462 km (0.099 R)
• M17: 16,125,454 km (0.038 R)
• M18: 16,733,569 km (0.119 R)
• M19: 19,049,942 km (0.059 R)
• M20: 21,208,939 km (0.063 R)
• M21: 22,836,564 km (0.08 R)
• M22: 23,064,850 km (0.096 R)
• M23: 24,307,859 km (0.116 R)
• M24: 28,129,636 km (0.08 R)
• M25: 29,637,732 km (0.109 R)
• M26: 30,182,717 km (0.099 R)
• M27: 30,457,678 km (0.1 R)
• M28: 31,012,686 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.1

Radius: 5

Gravity: 21.04 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.57 AU - 10.31 AU

Year: 20235 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,224,597 km

• M1: 71,508 km (0.062 R)
• M2: 234,869 km (0.059 R)
• M3: 598,541 km (0.087 R)
• M4: 819,497 km (0.086 R)
• M5: 1,056,610 km (0.093 R)
• M6: 1,773,333 km (0.111 R)
• M7: 2,014,036 km (0.041 R)
• M8: 2,560,816 km (0.106 R)
• M9: 3,502,086 km (0.094 R)
• M10: 3,762,087 km (0.08 R)
• M11: 4,386,210 km (0.109 R)
• M12: 5,223,359 km (0.045 R)
• M13: 5,640,588 km (0.066 R)
• M14: 7,773,255 km (0.09 R)
• M15: 8,116,283 km (0.028 R)
• M16: 9,314,711 km (0.078 R)
• M17: 11,671,925 km (0.114 R)
• M18: 14,398,945 km (0.106 R)
• M19: 15,066,151 km (0.027 R)
• M20: 15,599,318 km (0.084 R)
• M21: 16,223,889 km (0.075 R)
• M22: 16,462,348 km (0.119 R)
• M23: 19,241,727 km (0.086 R)
• M24: 25,708,394 km (0.112 R)
• M25: 27,021,415 km (0.083 R)
• M26: 28,149,233 km (0.118 R)
• M27: 29,543,635 km (0.093 R)
• M28: 31,105,586 km (0.119 R)
• M29: 32,595,431 km (0.076 R)
• M30: 38,747,494 km (0.098 R)
• M31: 39,602,895 km (0.12 R)
• M32: 41,203,742 km (0.072 R)
• M33: 44,845,253 km (0.037 R)
• M34: 45,946,443 km (0.118 R)
• M35: 52,586,644 km (0.064 R)
• M36: 53,459,248 km (0.102 R)
• M37: 55,233,030 km (0.112 R)
• M38: 58,152,133 km (0.096 R)
• M39: 69,386,036 km (0.08 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 18,197 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit