🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.8

Radius: 13.9

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.66 AU - 0.76 AU

Year: 386 Days

Day: 10.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,045,839 km

• M1: 172,935 km (0.097 R)
• M2: 745,745 km (0.078 R)
• M3: 1,268,291 km (0.109 R)
• M4: 1,859,950 km (0.111 R)
• M5: 2,519,527 km (0.07 R)
• M6: 3,217,551 km (0.036 R)
• M7: 3,669,337 km (0.106 R)
• M8: 4,114,689 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.5

Radius: 14.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.6 AU - 0.84 AU

Year: 394 Days

Day: 11 Hours

Environment

Temp: -132 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,045,839 km

• M1: 185,352 km (0.112 R)
• M2: 831,764 km (0.066 R)
• M3: 1,306,887 km (0.049 R)
• M4: 1,791,285 km (0.037 R)
• M5: 2,335,971 km (0.111 R)
• M6: 3,610,545 km (0.075 R)
• M7: 4,563,633 km (0.102 R)
• M8: 5,107,870 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.4

Radius: 10.7

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.74 AU - 0.98 AU

Year: 515 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,045,839 km

• M1: 133,890 km (0.078 R)
• M2: 494,122 km (0.075 R)
• M3: 873,652 km (0.111 R)
• M4: 1,289,833 km (0.115 R)
• M5: 1,730,698 km (0.105 R)
• M6: 2,488,411 km (0.119 R)
• M7: 2,878,562 km (0.088 R)
• M8: 3,273,949 km (0.116 R)
• M9: 3,849,004 km (0.091 R)
• M10: 4,579,041 km (0.116 R)
• M11: 5,217,675 km (0.09 R)
• M12: 5,756,676 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875

Radius: 13.2

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.96 AU - 1.42 AU

Year: 838 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,045,839 km

• M1: 164,109 km (0.068 R)
• M2: 591,360 km (0.095 R)
• M3: 1,105,379 km (0.109 R)
• M4: 1,622,688 km (0.085 R)
• M5: 2,176,200 km (0.051 R)
• M6: 2,955,156 km (0.108 R)
• M7: 3,481,442 km (0.099 R)
• M8: 3,975,264 km (0.113 R)
• M9: 4,636,636 km (0.112 R)
• M10: 5,332,117 km (0.076 R)
• M11: 5,765,801 km (0.074 R)
• M12: 6,180,486 km (0.1 R)
• M13: 8,777,655 km (0.082 R)
• M14: 9,526,542 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.1

Radius: 11.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.67 AU - 1.71 AU

Year: 1419 Days

Day: 9.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 58.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,045,839 km

• M1: 141,819 km (0.115 R)
• M2: 582,385 km (0.108 R)
• M3: 1,014,423 km (0.109 R)
• M4: 1,932,804 km (0.107 R)
• M5: 2,511,150 km (0.092 R)
• M6: 3,352,189 km (0.118 R)
• M7: 4,176,623 km (0.05 R)
• M8: 4,830,515 km (0.111 R)
• M9: 5,844,639 km (0.089 R)
• M10: 7,381,458 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.5

Radius: 11.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.74 AU - 1.98 AU

Year: 1638 Days

Day: 8.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,045,839 km

• M1: 138,079 km (0.051 R)
• M2: 525,388 km (0.113 R)
• M3: 882,627 km (0.077 R)
• M4: 1,278,314 km (0.112 R)
• M5: 2,405,235 km (0.065 R)
• M6: 3,733,664 km (0.111 R)
• M7: 4,637,534 km (0.04 R)
• M8: 5,446,709 km (0.071 R)
• M9: 6,792,192 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.9

Radius: 14.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.7 AU - 2.32 AU

Year: 1840 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,045,839 km

• M1: 184,155 km (0.108 R)
• M2: 768,933 km (0.103 R)
• M3: 1,314,068 km (0.109 R)
• M4: 2,328,192 km (0.073 R)
• M5: 2,882,003 km (0.053 R)
• M6: 4,514,864 km (0.116 R)
• M7: 5,229,343 km (0.045 R)
• M8: 6,416,851 km (0.085 R)
• M9: 8,998,162 km (0.118 R)
• M10: 9,824,092 km (0.071 R)
• M11: 11,027,757 km (0.039 R)
• M12: 12,607,510 km (0.118 R)
• M13: 15,276,935 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557

Radius: 9

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.96 AU - 2.7 AU

Year: 2296 Days

Day: 5.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 96.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,045,839 km

• M1: 111,899 km (0.112 R)
• M2: 422,016 km (0.092 R)
• M3: 1,146,817 km (0.119 R)
• M4: 1,864,289 km (0.085 R)
• M5: 2,414,809 km (0.092 R)
• M6: 2,736,145 km (0.075 R)
• M7: 3,038,632 km (0.043 R)
• M8: 3,693,721 km (0.084 R)
• M9: 4,667,603 km (0.104 R)
• M10: 6,177,943 km (0.095 R)
• M11: 6,568,394 km (0.117 R)
• M12: 7,572,943 km (0.1 R)
• M13: 7,929,585 km (0.12 R)
• M14: 9,233,629 km (0.094 R)
• M15: 11,010,553 km (0.11 R)
• M16: 16,135,776 km (0.083 R)
• M17: 16,727,286 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.8

Radius: 14.4

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.08 AU - 2.58 AU

Year: 2296 Days

Day: 6.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,045,839 km

• M1: 179,218 km (0.11 R)
• M2: 732,581 km (0.118 R)
• M3: 1,432,699 km (0.079 R)
• M4: 1,915,302 km (0.099 R)
• M5: 2,573,981 km (0.116 R)
• M6: 3,238,345 km (0.094 R)
• M7: 3,979,154 km (0.107 R)
• M8: 4,567,223 km (0.115 R)
• M9: 5,040,700 km (0.088 R)
• M10: 6,014,882 km (0.078 R)
• M11: 7,579,975 km (0.114 R)
• M12: 8,039,988 km (0.093 R)
• M13: 8,858,737 km (0.085 R)
• M14: 9,435,138 km (0.092 R)
• M15: 9,900,686 km (0.119 R)
• M16: 10,770,149 km (0.116 R)
• M17: 12,741,849 km (0.097 R)
• M18: 14,414,802 km (0.025 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.2

Radius: 9.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.39 AU - 6.11 AU

Year: 7767 Days

Day: 8.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,045,839 km

• M1: 114,442 km (0.082 R)
• M2: 404,513 km (0.043 R)
• M3: 968,796 km (0.058 R)
• M4: 1,464,264 km (0.096 R)
• M5: 2,190,113 km (0.038 R)
• M6: 2,634,568 km (0.109 R)
• M7: 5,606,031 km (0.082 R)
• M8: 6,154,008 km (0.098 R)
• M9: 6,737,140 km (0.106 R)
• M10: 7,912,680 km (0.11 R)
• M11: 8,853,052 km (0.091 R)
• M12: 9,294,217 km (0.033 R)
• M13: 10,220,527 km (0.104 R)
• M14: 10,871,427 km (0.034 R)
• M15: 16,775,756 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 13,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit