🌌 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: 455.7

Radius: 13.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.48 AU - 0.76 AU

Year: 337 Days

Day: 10.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,186,648 km

• M1: 169,195 km (0.117 R)
• M2: 593,754 km (0.102 R)
• M3: 1,149,959 km (0.081 R)
• M4: 1,703,022 km (0.111 R)
• M5: 2,399,251 km (0.073 R)
• M6: 2,913,419 km (0.103 R)
• M7: 3,352,189 km (0.091 R)
• M8: 3,963,596 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.6

Radius: 10.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.09 AU - 1.4 AU

Year: 953 Days

Day: 14 Hours

Environment

Temp: -188 °C

Axial Tilt: 147.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,186,648 km

• M1: 125,662 km (0.092 R)
• M2: 456,274 km (0.076 R)
• M3: 1,153,250 km (0.108 R)
• M4: 1,499,868 km (0.063 R)
• M5: 2,849,241 km (0.092 R)
• M6: 3,443,145 km (0.088 R)
• M7: 5,970,601 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.1

Radius: 9.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.46 AU - 3.18 AU

Year: 3269 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,186,648 km

• M1: 113,246 km (0.081 R)
• M2: 407,654 km (0.112 R)
• M3: 844,929 km (0.082 R)
• M4: 1,537,866 km (0.116 R)
• M5: 1,901,987 km (0.105 R)
• M6: 2,383,543 km (0.08 R)
• M7: 2,861,209 km (0.119 R)
• M8: 4,861,781 km (0.11 R)
• M9: 7,466,729 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.3

Radius: 10.1

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.48 AU - 3.38 AU

Year: 3462 Days

Day: 14.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,186,648 km

• M1: 125,662 km (0.114 R)
• M2: 506,688 km (0.093 R)
• M3: 965,056 km (0.069 R)
• M4: 3,155,617 km (0.083 R)
• M5: 4,033,607 km (0.109 R)
• M6: 4,916,384 km (0.081 R)
• M7: 7,682,599 km (0.106 R)
• M8: 8,737,264 km (0.115 R)
• M9: 9,727,153 km (0.119 R)
• M10: 10,331,229 km (0.055 R)
• M11: 11,838,278 km (0.1 R)
• M12: 15,229,662 km (0.103 R)
• M13: 18,058,408 km (0.079 R)
• M14: 19,850,441 km (0.093 R)
• M15: 20,625,657 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 10.1

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.52 AU - 4.06 AU

Year: 4119 Days

Day: 7.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,186,648 km

• M1: 125,662 km (0.105 R)
• M2: 872,006 km (0.041 R)
• M3: 1,510,191 km (0.038 R)
• M4: 3,051,946 km (0.093 R)
• M5: 3,511,212 km (0.045 R)
• M6: 4,346,716 km (0.117 R)
• M7: 6,599,959 km (0.08 R)
• M8: 7,062,216 km (0.086 R)
• M9: 7,905,051 km (0.112 R)
• M10: 8,313,154 km (0.091 R)
• M11: 8,657,378 km (0.096 R)
• M12: 9,011,177 km (0.085 R)
• M13: 9,456,680 km (0.082 R)
• M14: 11,202,188 km (0.087 R)
• M15: 12,445,944 km (0.12 R)
• M16: 13,307,628 km (0.098 R)
• M17: 13,992,936 km (0.06 R)
• M18: 14,591,028 km (0.11 R)
• M19: 16,072,646 km (0.084 R)
• M20: 18,030,732 km (0.096 R)
• M21: 22,562,500 km (0.094 R)
• M22: 24,774,155 km (0.025 R)
• M23: 25,891,951 km (0.099 R)
• M24: 29,182,954 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.5

Radius: 8.5

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.12 AU - 5.08 AU

Year: 5730 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,186,648 km

• M1: 113,246 km (0.089 R)
• M2: 460,462 km (0.086 R)
• M3: 783,444 km (0.077 R)
• M4: 1,096,403 km (0.09 R)
• M5: 1,367,773 km (0.084 R)
• M6: 1,957,787 km (0.093 R)
• M7: 2,484,821 km (0.081 R)
• M8: 2,757,238 km (0.056 R)
• M9: 3,231,314 km (0.073 R)
• M10: 3,556,989 km (0.092 R)
• M11: 4,668,351 km (0.118 R)
• M12: 5,855,560 km (0.116 R)
• M13: 6,341,603 km (0.027 R)
• M14: 7,361,861 km (0.081 R)
• M15: 9,337,600 km (0.055 R)
• M16: 9,921,780 km (0.085 R)
• M17: 10,906,732 km (0.106 R)
• M18: 13,070,216 km (0.039 R)
• M19: 13,554,465 km (0.113 R)
• M20: 14,252,488 km (0.101 R)
• M21: 15,612,183 km (0.025 R)
• M22: 17,869,914 km (0.087 R)
• M23: 18,527,098 km (0.071 R)
• M24: 20,465,737 km (0.089 R)
• M25: 21,384,118 km (0.113 R)
• M26: 23,728,466 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.8

Radius: 6.6

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.64 AU - 8.22 AU

Year: 15414 Days

Day: 24 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,186,648 km

• M1: 82,129 km (0.113 R)
• M2: 348,413 km (0.067 R)
• M3: 577,448 km (0.082 R)
• M4: 1,277,117 km (0.115 R)
• M5: 1,530,536 km (0.041 R)
• M6: 1,948,662 km (0.11 R)
• M7: 2,305,602 km (0.096 R)
• M8: 2,747,814 km (0.066 R)
• M9: 3,366,102 km (0.093 R)
• M10: 4,101,226 km (0.078 R)
• M11: 4,781,148 km (0.112 R)
• M12: 5,533,924 km (0.105 R)
• M13: 6,438,842 km (0.1 R)
• M14: 8,041,933 km (0.085 R)
• M15: 9,247,841 km (0.095 R)
• M16: 9,542,399 km (0.1 R)
• M17: 11,055,582 km (0.113 R)
• M18: 15,422,194 km (0.113 R)
• M19: 16,760,497 km (0.11 R)
• M20: 24,534,948 km (0.052 R)
• M21: 26,353,759 km (0.089 R)
• M22: 30,907,369 km (0.117 R)
• M23: 34,062,837 km (0.118 R)
• M24: 34,765,797 km (0.072 R)
• M25: 35,838,414 km (0.109 R)
• M26: 37,550,562 km (0.118 R)
• M27: 37,799,492 km (0.106 R)
• M28: 44,110,279 km (0.071 R)
• M29: 47,951,204 km (0.055 R)
• M30: 48,538,525 km (0.051 R)
• M31: 49,877,576 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.6

Radius: 3.6

Gravity: 27.82 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.61 AU - 12.33 AU

Year: 23385 Days

Day: 19.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,186,648 km

• M1: 44,730 km (0.096 R)
• M2: 483,201 km (0.088 R)
• M3: 780,302 km (0.074 R)
• M4: 1,010,534 km (0.078 R)
• M5: 1,187,957 km (0.094 R)
• M6: 2,055,176 km (0.106 R)
• M7: 2,194,900 km (0.109 R)
• M8: 2,427,375 km (0.054 R)
• M9: 6,130,820 km (0.05 R)
• M10: 12,269,868 km (0.093 R)
• M11: 16,206,386 km (0.114 R)
• M12: 17,907,763 km (0.062 R)
• M13: 19,635,319 km (0.064 R)
• M14: 24,952,326 km (0.09 R)
• M15: 26,227,648 km (0.065 R)
• M16: 27,101,599 km (0.112 R)
• M17: 37,891,645 km (0.085 R)
• M18: 40,866,997 km (0.073 R)
• M19: 49,225,030 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 10,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit