🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.9

Radius: 10.1

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.94 AU - 0.98 AU

Year: 617 Days

Day: 14.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,686,382 km

• M1: 125,961 km (0.066 R)
• M2: 677,529 km (0.108 R)
• M3: 1,106,725 km (0.094 R)
• M4: 2,858,815 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.5

Radius: 13.7

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.33 AU - 1.95 AU

Year: 1378 Days

Day: 10.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,686,382 km

• M1: 171,738 km (0.109 R)
• M2: 598,840 km (0.039 R)
• M3: 1,452,745 km (0.067 R)
• M4: 2,023,610 km (0.094 R)
• M5: 2,718,044 km (0.103 R)
• M6: 3,205,284 km (0.118 R)
• M7: 3,941,006 km (0.084 R)
• M8: 5,185,212 km (0.077 R)
• M9: 7,078,971 km (0.085 R)
• M10: 8,116,133 km (0.11 R)
• M11: 8,547,424 km (0.085 R)
• M12: 9,281,201 km (0.09 R)
• M13: 10,746,213 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 13.5

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.03 AU - 2.39 AU

Year: 2155 Days

Day: 7.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,686,382 km

• M1: 169,345 km (0.073 R)
• M2: 1,153,699 km (0.098 R)
• M3: 1,845,290 km (0.109 R)
• M4: 2,442,484 km (0.107 R)
• M5: 3,103,857 km (0.098 R)
• M6: 3,974,516 km (0.108 R)
• M7: 4,457,867 km (0.029 R)
• M8: 5,497,273 km (0.094 R)
• M9: 6,199,934 km (0.088 R)
• M10: 8,359,529 km (0.1 R)
• M11: 9,059,497 km (0.078 R)
• M12: 9,695,139 km (0.065 R)
• M13: 12,418,867 km (0.117 R)
• M14: 13,501,657 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.5

Radius: 9.8

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2 AU - 2.82 AU

Year: 2454 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,686,382 km

• M1: 122,072 km (0.118 R)
• M2: 449,242 km (0.108 R)
• M3: 758,461 km (0.098 R)
• M4: 1,244,205 km (0.029 R)
• M5: 1,870,871 km (0.109 R)
• M6: 2,256,983 km (0.089 R)
• M7: 3,208,276 km (0.101 R)
• M8: 3,671,431 km (0.086 R)
• M9: 4,219,707 km (0.117 R)
• M10: 4,556,901 km (0.052 R)
• M11: 5,678,436 km (0.117 R)
• M12: 6,011,740 km (0.111 R)
• M13: 9,665,818 km (0.096 R)
• M14: 10,292,034 km (0.104 R)
• M15: 10,672,910 km (0.104 R)
• M16: 11,063,211 km (0.068 R)
• M17: 11,382,304 km (0.109 R)
• M18: 12,333,896 km (0.043 R)
• M19: 12,851,055 km (0.046 R)
• M20: 13,248,387 km (0.066 R)
• M21: 14,395,205 km (0.078 R)
• M22: 14,968,613 km (0.103 R)
• M23: 16,161,058 km (0.11 R)
• M24: 16,520,542 km (0.1 R)
• M25: 17,255,516 km (0.105 R)
• M26: 18,510,044 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.3

Radius: 8.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.37 AU - 2.85 AU

Year: 2766 Days

Day: 10.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,686,382 km

• M1: 110,553 km (0.081 R)
• M2: 652,546 km (0.118 R)
• M3: 1,969,606 km (0.111 R)
• M4: 4,219,109 km (0.117 R)
• M5: 5,958,483 km (0.119 R)
• M6: 8,034,303 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.7

Radius: 10.6

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.08 AU - 6.34 AU

Year: 7801 Days

Day: 13 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,686,382 km

• M1: 131,945 km (0.059 R)
• M2: 1,302,399 km (0.092 R)
• M3: 1,655,300 km (0.085 R)
• M4: 2,072,828 km (0.102 R)
• M5: 2,413,612 km (0.106 R)
• M6: 3,059,426 km (0.09 R)
• M7: 4,306,923 km (0.082 R)
• M8: 4,666,257 km (0.109 R)
• M9: 5,604,834 km (0.117 R)
• M10: 7,732,415 km (0.098 R)
• M11: 9,088,370 km (0.114 R)
• M12: 9,917,441 km (0.097 R)
• M13: 10,796,179 km (0.071 R)
• M14: 12,047,565 km (0.044 R)
• M15: 14,344,192 km (0.108 R)
• M16: 15,660,204 km (0.112 R)
• M17: 16,986,689 km (0.098 R)
• M18: 19,337,021 km (0.114 R)
• M19: 19,711,165 km (0.057 R)
• M20: 20,551,307 km (0.109 R)
• M21: 21,574,706 km (0.08 R)
• M22: 24,411,680 km (0.109 R)
• M23: 24,936,918 km (0.089 R)
• M24: 27,207,215 km (0.099 R)
• M25: 27,677,252 km (0.116 R)
• M26: 29,909,551 km (0.077 R)
• M27: 33,318,438 km (0.078 R)
• M28: 34,073,458 km (0.086 R)
• M29: 34,950,251 km (0.088 R)
• M30: 37,671,137 km (0.07 R)
• M31: 38,490,485 km (0.077 R)
• M32: 39,561,456 km (0.079 R)
• M33: 40,043,760 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787

Radius: 4.4

Gravity: 40.65 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.03 AU - 6.55 AU

Year: 10349 Days

Day: 24.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,686,382 km

• M1: 54,753 km (0.085 R)
• M2: 249,529 km (0.069 R)
• M3: 639,082 km (0.034 R)
• M4: 1,098,647 km (0.106 R)
• M5: 1,319,004 km (0.118 R)
• M6: 1,524,851 km (0.075 R)
• M7: 1,704,668 km (0.074 R)
• M8: 1,865,336 km (0.114 R)
• M9: 2,235,740 km (0.098 R)
• M10: 3,488,473 km (0.087 R)
• M11: 3,965,690 km (0.108 R)
• M12: 4,395,634 km (0.1 R)
• M13: 4,576,049 km (0.093 R)
• M14: 4,730,135 km (0.105 R)
• M15: 5,016,316 km (0.097 R)
• M16: 5,180,275 km (0.097 R)
• M17: 7,062,964 km (0.056 R)
• M18: 7,436,809 km (0.091 R)
• M19: 8,544,731 km (0.102 R)
• M20: 13,006,787 km (0.092 R)
• M21: 13,192,139 km (0.119 R)
• M22: 14,015,675 km (0.054 R)
• M23: 16,474,166 km (0.073 R)
• M24: 17,956,980 km (0.055 R)
• M25: 19,205,524 km (0.116 R)
• M26: 19,607,195 km (0.08 R)
• M27: 20,014,550 km (0.106 R)
• M28: 20,344,413 km (0.029 R)
• M29: 22,048,632 km (0.108 R)
• M30: 24,685,294 km (0.027 R)
• M31: 27,322,106 km (0.051 R)
• M32: 27,728,115 km (0.077 R)
• M33: 30,140,829 km (0.111 R)
• M34: 37,959,562 km (0.039 R)
• M35: 44,603,353 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.5

Radius: 3.6

Gravity: 27.51 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.19 AU - 10.25 AU

Year: 16892 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,686,382 km

• M1: 45,478 km (0.054 R)
• M2: 185,202 km (0.066 R)
• M3: 675,434 km (0.074 R)
• M4: 1,156,541 km (0.096 R)
• M5: 2,972,659 km (0.102 R)
• M6: 3,978,555 km (0.118 R)
• M7: 4,480,755 km (0.076 R)
• M8: 8,179,712 km (0.081 R)
• M9: 9,640,685 km (0.073 R)
• M10: 22,821,155 km (0.073 R)
• M11: 26,679,434 km (0.099 R)
• M12: 33,483,295 km (0.102 R)
• M13: 37,791,564 km (0.098 R)
• M14: 44,138,104 km (0.11 R)
• M15: 44,708,820 km (0.114 R)
• M16: 49,760,590 km (0.073 R)
• M17: 51,630,564 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 15,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit