🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.8

Radius: 14.4

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.58 AU - 0.78 AU

Year: 368 Days

Day: 14.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,221,576 km

• M1: 179,069 km (0.054 R)
• M2: 691,441 km (0.113 R)
• M3: 1,227,301 km (0.089 R)
• M4: 1,789,939 km (0.099 R)
• M5: 2,256,534 km (0.086 R)
• M6: 2,777,284 km (0.071 R)
• M7: 3,262,131 km (0.044 R)
• M8: 4,103,021 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 14.7

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.7 AU - 0.9 AU

Year: 469 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,221,576 km

• M1: 195,225 km (0.09 R)
• M2: 657,632 km (0.102 R)
• M3: 1,183,170 km (0.114 R)
• M4: 1,764,357 km (0.098 R)
• M5: 2,264,164 km (0.085 R)
• M6: 2,980,738 km (0.087 R)
• M7: 3,582,271 km (0.099 R)
• M8: 4,186,048 km (0.106 R)
• M9: 4,672,390 km (0.105 R)

Asteroid Belt

Center: 1.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.3

Radius: 12.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.57 AU - 1.73 AU

Year: 1390 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,221,576 km

• M1: 151,842 km (0.112 R)
• M2: 617,839 km (0.103 R)
• M3: 1,249,142 km (0.112 R)
• M4: 1,648,718 km (0.08 R)
• M5: 2,192,207 km (0.093 R)
• M6: 2,703,383 km (0.08 R)
• M7: 3,186,883 km (0.115 R)
• M8: 3,677,864 km (0.058 R)
• M9: 4,074,298 km (0.104 R)
• M10: 6,482,525 km (0.049 R)
• M11: 7,195,658 km (0.077 R)
• M12: 8,539,495 km (0.06 R)
• M13: 9,846,831 km (0.082 R)
• M14: 10,514,486 km (0.085 R)
• M15: 12,052,203 km (0.116 R)
• M16: 12,622,470 km (0.076 R)
• M17: 13,612,808 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 9.1

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.62 AU - 2.64 AU

Year: 2798 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,221,576 km

• M1: 113,694 km (0.052 R)
• M2: 704,905 km (0.047 R)
• M3: 1,068,877 km (0.064 R)
• M4: 1,597,406 km (0.084 R)
• M5: 1,950,906 km (0.099 R)
• M6: 2,490,356 km (0.077 R)
• M7: 2,862,854 km (0.118 R)
• M8: 4,469,386 km (0.066 R)
• M9: 6,060,808 km (0.107 R)
• M10: 7,788,664 km (0.11 R)
• M11: 9,962,620 km (0.107 R)
• M12: 10,246,706 km (0.077 R)
• M13: 11,867,599 km (0.085 R)
• M14: 12,512,366 km (0.066 R)
• M15: 13,137,685 km (0.088 R)
• M16: 14,451,005 km (0.087 R)
• M17: 16,482,843 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.3

Radius: 8.1

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.36 AU - 3.34 AU

Year: 3156 Days

Day: 11.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,221,576 km

• M1: 101,727 km (0.057 R)
• M2: 721,810 km (0.045 R)
• M3: 1,141,731 km (0.08 R)
• M4: 1,492,837 km (0.118 R)
• M5: 2,059,065 km (0.106 R)
• M6: 3,457,805 km (0.093 R)
• M7: 3,775,401 km (0.092 R)
• M8: 4,515,612 km (0.079 R)
• M9: 6,252,443 km (0.108 R)
• M10: 7,479,445 km (0.118 R)
• M11: 8,428,942 km (0.082 R)
• M12: 8,932,938 km (0.117 R)
• M13: 15,236,244 km (0.082 R)
• M14: 16,981,004 km (0.068 R)
• M15: 17,610,362 km (0.104 R)
• M16: 19,405,836 km (0.073 R)
• M17: 20,539,937 km (0.074 R)
• M18: 20,797,844 km (0.076 R)
• M19: 21,123,369 km (0.079 R)
• M20: 22,255,226 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.7

Radius: 8.7

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.11 AU - 4.87 AU

Year: 6241 Days

Day: 14.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,221,576 km

• M1: 108,309 km (0.097 R)
• M2: 428,448 km (0.12 R)
• M3: 757,564 km (0.056 R)
• M4: 1,103,583 km (0.095 R)
• M5: 1,496,577 km (0.114 R)
• M6: 1,939,387 km (0.119 R)
• M7: 2,386,684 km (0.032 R)
• M8: 2,994,201 km (0.086 R)
• M9: 4,793,714 km (0.102 R)
• M10: 5,330,771 km (0.029 R)
• M11: 6,149,370 km (0.075 R)
• M12: 6,556,875 km (0.053 R)
• M13: 8,522,142 km (0.098 R)
• M14: 9,310,373 km (0.109 R)
• M15: 9,639,040 km (0.111 R)
• M16: 11,214,754 km (0.103 R)
• M17: 13,943,120 km (0.117 R)
• M18: 15,718,996 km (0.094 R)
• M19: 19,181,289 km (0.12 R)
• M20: 21,230,481 km (0.094 R)
• M21: 21,585,776 km (0.076 R)
• M22: 23,120,949 km (0.05 R)
• M23: 24,963,247 km (0.116 R)
• M24: 25,758,958 km (0.039 R)
• M25: 26,735,982 km (0.081 R)
• M26: 27,233,694 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277

Radius: 7.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.66 AU - 8.72 AU

Year: 12647 Days

Day: 16.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 28,221,576 km

• M1: 95,892 km (0.084 R)
• M2: 382,671 km (0.064 R)
• M3: 638,185 km (0.109 R)
• M4: 1,041,949 km (0.026 R)
• M5: 1,649,466 km (0.077 R)
• M6: 2,491,702 km (0.098 R)
• M7: 2,903,545 km (0.07 R)
• M8: 3,522,431 km (0.075 R)
• M9: 4,120,225 km (0.026 R)
• M10: 6,392,467 km (0.101 R)
• M11: 9,482,261 km (0.116 R)
• M12: 9,762,009 km (0.08 R)
• M13: 10,095,313 km (0.093 R)
• M14: 10,584,797 km (0.113 R)
• M15: 14,280,762 km (0.115 R)
• M16: 17,403,767 km (0.113 R)
• M17: 18,178,684 km (0.074 R)
• M18: 18,538,467 km (0.103 R)
• M19: 19,873,030 km (0.063 R)
• M20: 21,750,483 km (0.04 R)
• M21: 25,854,551 km (0.032 R)
• M22: 29,349,905 km (0.115 R)
• M23: 30,852,466 km (0.11 R)
• M24: 32,828,505 km (0.054 R)
• M25: 34,556,659 km (0.057 R)
• M26: 35,443,176 km (0.117 R)
• M27: 36,458,347 km (0.1 R)
• M28: 40,225,521 km (0.107 R)
• M29: 41,329,853 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.7

Radius: 5.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.19 AU - 7.83 AU

Year: 13501 Days

Day: 23.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,221,576 km

• M1: 77,342 km (0.04 R)
• M2: 287,378 km (0.037 R)
• M3: 476,020 km (0.101 R)
• M4: 663,915 km (0.082 R)
• M5: 878,738 km (0.104 R)
• M6: 1,568,534 km (0.107 R)
• M7: 2,098,709 km (0.111 R)
• M8: 2,637,261 km (0.117 R)
• M9: 2,865,996 km (0.099 R)
• M10: 3,527,817 km (0.041 R)
• M11: 4,030,167 km (0.115 R)
• M12: 4,480,007 km (0.112 R)
• M13: 5,042,196 km (0.12 R)
• M14: 8,652,741 km (0.099 R)
• M15: 12,724,047 km (0.119 R)
• M16: 14,976,542 km (0.111 R)
• M17: 18,039,259 km (0.088 R)
• M18: 18,608,629 km (0.115 R)
• M19: 22,641,339 km (0.029 R)
• M20: 24,666,894 km (0.063 R)
• M21: 27,885,193 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 11,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit