🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.2

Radius: 10.3

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.64 AU - 0.92 AU

Year: 484 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,470,728 km

• M1: 129,701 km (0.108 R)
• M2: 482,004 km (0.101 R)
• M3: 1,026,989 km (0.091 R)
• M4: 1,380,788 km (0.09 R)
• M5: 2,068,639 km (0.112 R)
• M6: 2,511,299 km (0.095 R)
• M7: 3,524,526 km (0.105 R)
• M8: 3,880,569 km (0.112 R)
• M9: 5,245,649 km (0.113 R)
• M10: 5,570,875 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 14.3

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.72 AU - 1.16 AU

Year: 641 Days

Day: 8 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,470,728 km

• M1: 177,872 km (0.082 R)
• M2: 656,136 km (0.088 R)
• M3: 1,103,434 km (0.066 R)
• M4: 1,641,238 km (0.088 R)
• M5: 2,161,240 km (0.086 R)
• M6: 2,680,195 km (0.05 R)
• M7: 3,282,776 km (0.116 R)
• M8: 4,681,516 km (0.094 R)
• M9: 5,653,453 km (0.099 R)
• M10: 6,488,060 km (0.115 R)
• M11: 7,270,606 km (0.049 R)
• M12: 7,950,828 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.8

Radius: 13.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.92 AU - 1.32 AU

Year: 833 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,470,728 km

• M1: 165,455 km (0.08 R)
• M2: 798,254 km (0.117 R)
• M3: 1,214,136 km (0.068 R)
• M4: 1,680,582 km (0.103 R)
• M5: 2,428,422 km (0.117 R)
• M6: 4,240,352 km (0.073 R)
• M7: 4,746,441 km (0.1 R)
• M8: 5,404,073 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.1

Radius: 13.4

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.95 AU - 2.25 AU

Year: 2139 Days

Day: 12.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,470,728 km

• M1: 169,494 km (0.119 R)
• M2: 646,263 km (0.056 R)
• M3: 1,754,633 km (0.119 R)
• M4: 2,291,391 km (0.114 R)
• M5: 2,878,861 km (0.11 R)
• M6: 3,771,362 km (0.119 R)
• M7: 4,244,989 km (0.11 R)
• M8: 5,030,378 km (0.103 R)
• M9: 6,152,362 km (0.065 R)
• M10: 7,268,811 km (0.097 R)
• M11: 7,774,601 km (0.117 R)
• M12: 8,546,676 km (0.114 R)
• M13: 9,402,077 km (0.1 R)
• M14: 10,071,826 km (0.112 R)
• M15: 10,630,425 km (0.111 R)
• M16: 12,313,102 km (0.098 R)
• M17: 14,253,685 km (0.12 R)
• M18: 15,228,914 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.3

Radius: 10.7

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.23 AU - 2.91 AU

Year: 2896 Days

Day: 9.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,470,728 km

• M1: 135,386 km (0.055 R)
• M2: 486,492 km (0.115 R)
• M3: 899,382 km (0.108 R)
• M4: 1,394,402 km (0.114 R)
• M5: 1,861,895 km (0.119 R)
• M6: 2,329,837 km (0.08 R)
• M7: 3,064,064 km (0.081 R)
• M8: 3,842,421 km (0.106 R)
• M9: 4,378,730 km (0.098 R)
• M10: 5,340,345 km (0.097 R)
• M11: 7,163,943 km (0.082 R)
• M12: 8,460,508 km (0.043 R)
• M13: 8,962,109 km (0.085 R)
• M14: 10,143,783 km (0.059 R)
• M15: 10,959,540 km (0.115 R)
• M16: 14,261,315 km (0.076 R)
• M17: 16,192,623 km (0.086 R)
• M18: 17,306,080 km (0.09 R)
• M19: 19,315,329 km (0.098 R)
• M20: 22,342,292 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.8

Radius: 11

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.29 AU - 4.17 AU

Year: 5064 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,470,728 km

• M1: 160,369 km (0.059 R)
• M2: 1,428,360 km (0.112 R)
• M3: 2,052,034 km (0.096 R)
• M4: 2,394,763 km (0.11 R)
• M5: 2,776,088 km (0.101 R)
• M6: 3,467,529 km (0.093 R)
• M7: 4,052,756 km (0.08 R)
• M8: 4,521,147 km (0.112 R)
• M9: 5,305,937 km (0.102 R)
• M10: 6,306,747 km (0.071 R)
• M11: 6,666,979 km (0.103 R)
• M12: 7,145,542 km (0.106 R)
• M13: 7,573,841 km (0.065 R)
• M14: 8,800,244 km (0.096 R)
• M15: 9,209,544 km (0.117 R)
• M16: 12,037,542 km (0.073 R)
• M17: 18,398,145 km (0.098 R)
• M18: 18,798,468 km (0.104 R)
• M19: 19,755,296 km (0.109 R)
• M20: 22,515,976 km (0.06 R)
• M21: 22,974,343 km (0.037 R)
• M22: 23,595,025 km (0.095 R)
• M23: 25,113,892 km (0.111 R)
• M24: 25,939,074 km (0.113 R)
• M25: 28,701,399 km (0.058 R)
• M26: 30,897,795 km (0.067 R)
• M27: 31,749,605 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.4

Radius: 10

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.48 AU - 5.24 AU

Year: 7531 Days

Day: 5.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,470,728 km

• M1: 124,615 km (0.086 R)
• M2: 473,028 km (0.094 R)
• M3: 968,347 km (0.12 R)
• M4: 2,215,544 km (0.082 R)
• M5: 2,665,984 km (0.048 R)
• M6: 2,993,005 km (0.096 R)
• M7: 4,910,401 km (0.081 R)
• M8: 6,494,492 km (0.108 R)
• M9: 7,273,748 km (0.112 R)
• M10: 10,216,787 km (0.09 R)
• M11: 12,552,757 km (0.118 R)
• M12: 15,406,486 km (0.117 R)
• M13: 16,150,736 km (0.063 R)
• M14: 17,778,361 km (0.036 R)
• M15: 21,129,353 km (0.079 R)
• M16: 22,754,285 km (0.083 R)
• M17: 23,719,490 km (0.109 R)
• M18: 25,473,825 km (0.045 R)
• M19: 31,549,144 km (0.09 R)
• M20: 32,145,291 km (0.097 R)
• M21: 32,647,641 km (0.115 R)
• M22: 35,451,703 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535

Radius: 5.2

Gravity: 19.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.99 AU - 9.83 AU

Year: 15638 Days

Day: 15.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,470,728 km

• M1: 64,626 km (0.079 R)
• M2: 308,022 km (0.111 R)
• M3: 518,805 km (0.104 R)
• M4: 981,811 km (0.105 R)
• M5: 1,868,926 km (0.104 R)
• M6: 2,358,560 km (0.119 R)
• M7: 2,767,561 km (0.056 R)
• M8: 3,172,372 km (0.09 R)
• M9: 3,615,781 km (0.111 R)
• M10: 3,866,656 km (0.067 R)
• M11: 4,099,430 km (0.088 R)
• M12: 4,529,076 km (0.102 R)
• M13: 6,037,620 km (0.083 R)
• M14: 9,523,251 km (0.094 R)
• M15: 11,417,309 km (0.109 R)
• M16: 13,548,780 km (0.119 R)
• M17: 16,079,677 km (0.087 R)
• M18: 16,379,022 km (0.094 R)
• M19: 25,226,988 km (0.061 R)
• M20: 27,291,289 km (0.094 R)
• M21: 29,132,241 km (0.113 R)
• M22: 29,465,545 km (0.102 R)
• M23: 33,300,935 km (0.093 R)
• M24: 33,665,355 km (0.066 R)
• M25: 35,274,879 km (0.088 R)
• M26: 36,676,312 km (0.083 R)
• M27: 37,982,151 km (0.036 R)
• M28: 38,513,074 km (0.092 R)
• M29: 39,318,808 km (0.062 R)
• M30: 42,085,471 km (0.119 R)
• M31: 43,951,705 km (0.084 R)
• M32: 44,243,570 km (0.049 R)
• M33: 51,806,341 km (0.11 R)
• M34: 52,132,165 km (0.097 R)
• M35: 52,787,703 km (0.064 R)
• M36: 54,115,534 km (0.08 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 18,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit