🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.9

Radius: 10.4

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.74 AU - 0.86 AU

Year: 494 Days

Day: 8 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,439,170 km

• M1: 129,402 km (0.057 R)
• M2: 531,820 km (0.089 R)
• M3: 1,000,959 km (0.066 R)
• M4: 1,573,470 km (0.073 R)
• M5: 1,918,742 km (0.054 R)
• M6: 2,412,565 km (0.104 R)
• M7: 3,226,228 km (0.078 R)
• M8: 4,573,357 km (0.102 R)
• M9: 5,304,441 km (0.119 R)
• M10: 5,653,603 km (0.092 R)
• M11: 6,437,346 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 8.6

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.42 AU - 1.66 AU

Year: 1319 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,439,170 km

• M1: 106,962 km (0.119 R)
• M2: 480,957 km (0.117 R)
• M3: 802,144 km (0.09 R)
• M4: 1,090,568 km (0.092 R)
• M5: 1,564,943 km (0.101 R)
• M6: 2,025,406 km (0.109 R)
• M7: 2,446,972 km (0.091 R)
• M8: 2,842,060 km (0.112 R)
• M9: 3,530,510 km (0.11 R)
• M10: 4,513,368 km (0.095 R)
• M11: 5,601,991 km (0.112 R)
• M12: 6,243,318 km (0.084 R)
• M13: 6,532,789 km (0.103 R)
• M14: 7,269,709 km (0.093 R)
• M15: 10,744,867 km (0.073 R)
• M16: 11,552,995 km (0.107 R)
• M17: 11,916,667 km (0.063 R)
• M18: 12,590,606 km (0.063 R)
• M19: 12,859,583 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.2

Radius: 14.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.46 AU - 1.98 AU

Year: 1557 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,439,170 km

• M1: 185,352 km (0.115 R)
• M2: 678,875 km (0.099 R)
• M3: 1,159,982 km (0.118 R)
• M4: 1,978,133 km (0.055 R)
• M5: 2,565,005 km (0.118 R)
• M6: 3,114,328 km (0.119 R)
• M7: 3,828,958 km (0.111 R)
• M8: 5,498,320 km (0.096 R)
• M9: 7,418,110 km (0.042 R)
• M10: 9,263,250 km (0.041 R)
• M11: 10,293,081 km (0.117 R)
• M12: 11,033,292 km (0.114 R)
• M13: 11,998,647 km (0.092 R)
• M14: 13,345,177 km (0.105 R)
• M15: 14,441,430 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 10.1

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.58 AU - 2.64 AU

Year: 2116 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,439,170 km

• M1: 125,662 km (0.119 R)
• M2: 465,848 km (0.083 R)
• M3: 923,617 km (0.119 R)
• M4: 1,314,367 km (0.115 R)
• M5: 1,774,530 km (0.098 R)
• M6: 2,531,944 km (0.065 R)
• M7: 2,875,869 km (0.092 R)
• M8: 3,459,152 km (0.076 R)
• M9: 5,049,975 km (0.082 R)
• M10: 5,829,679 km (0.115 R)
• M11: 7,080,168 km (0.036 R)
• M12: 7,998,250 km (0.104 R)
• M13: 9,247,093 km (0.104 R)
• M14: 11,193,361 km (0.102 R)
• M15: 11,747,921 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 8.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.97 AU - 2.93 AU

Year: 2647 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,439,170 km

• M1: 108,458 km (0.068 R)
• M2: 405,859 km (0.065 R)
• M3: 843,732 km (0.077 R)
• M4: 1,302,249 km (0.03 R)
• M5: 1,580,801 km (0.087 R)
• M6: 2,681,392 km (0.105 R)
• M7: 6,459,786 km (0.102 R)
• M8: 8,090,253 km (0.059 R)
• M9: 11,111,232 km (0.103 R)
• M10: 12,701,458 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.1

Radius: 11.9

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.5 AU - 3.02 AU

Year: 3165 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,439,170 km

• M1: 148,999 km (0.074 R)
• M2: 1,895,255 km (0.112 R)
• M3: 2,470,758 km (0.112 R)
• M4: 3,309,853 km (0.095 R)
• M5: 3,861,420 km (0.046 R)
• M6: 6,651,570 km (0.105 R)
• M7: 8,850,509 km (0.1 R)
• M8: 9,459,821 km (0.115 R)
• M9: 10,242,368 km (0.049 R)
• M10: 14,307,840 km (0.09 R)
• M11: 14,864,344 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.1

Radius: 13.6

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.11 AU - 3.17 AU

Year: 3841 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,439,170 km

• M1: 169,345 km (0.062 R)
• M2: 620,233 km (0.072 R)
• M3: 1,168,808 km (0.071 R)
• M4: 1,592,469 km (0.051 R)
• M5: 2,188,916 km (0.101 R)
• M6: 2,982,982 km (0.114 R)
• M7: 3,738,451 km (0.058 R)
• M8: 4,215,967 km (0.112 R)
• M9: 5,738,275 km (0.074 R)
• M10: 6,177,644 km (0.109 R)
• M11: 6,879,258 km (0.091 R)
• M12: 7,568,605 km (0.109 R)
• M13: 8,031,012 km (0.117 R)
• M14: 8,939,969 km (0.102 R)
• M15: 10,551,886 km (0.118 R)
• M16: 11,341,763 km (0.116 R)
• M17: 12,440,709 km (0.054 R)
• M18: 12,946,200 km (0.07 R)
• M19: 14,952,457 km (0.098 R)
• M20: 16,711,877 km (0.085 R)
• M21: 17,214,825 km (0.098 R)
• M22: 17,901,180 km (0.058 R)
• M23: 18,487,006 km (0.108 R)
• M24: 18,964,821 km (0.102 R)
• M25: 20,321,524 km (0.095 R)
• M26: 21,940,772 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.9

Radius: 8

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.32 AU - 7.38 AU

Year: 13754 Days

Day: 19.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,439,170 km

• M1: 100,979 km (0.109 R)
• M2: 444,754 km (0.105 R)
• M3: 704,008 km (0.065 R)
• M4: 1,046,886 km (0.101 R)
• M5: 1,859,651 km (0.093 R)
• M6: 2,370,677 km (0.09 R)
• M7: 3,802,479 km (0.034 R)
• M8: 4,595,497 km (0.042 R)
• M9: 4,904,117 km (0.072 R)
• M10: 7,593,887 km (0.066 R)
• M11: 10,333,473 km (0.101 R)
• M12: 13,796,813 km (0.103 R)
• M13: 14,440,832 km (0.077 R)
• M14: 17,514,470 km (0.051 R)
• M15: 19,124,592 km (0.095 R)
• M16: 20,006,172 km (0.066 R)
• M17: 28,366,000 km (0.102 R)
• M18: 34,521,653 km (0.067 R)
• M19: 34,874,555 km (0.092 R)
• M20: 35,707,217 km (0.087 R)
• M21: 43,532,681 km (0.051 R)
• M22: 45,336,383 km (0.084 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: 547 - 17,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit