🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665

Radius: 12.7

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.64 AU - 0.8 AU

Year: 394 Days

Day: 7.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,626,028 km

• M1: 157,975 km (0.085 R)
• M2: 562,189 km (0.079 R)
• M3: 1,037,012 km (0.111 R)
• M4: 1,443,470 km (0.117 R)
• M5: 2,021,815 km (0.092 R)
• M6: 3,028,459 km (0.086 R)
• M7: 3,461,844 km (0.102 R)
• M8: 4,078,188 km (0.053 R)
• M9: 4,651,746 km (0.062 R)
• M10: 5,063,589 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.4

Radius: 8.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.76 AU - 0.9 AU

Year: 488 Days

Day: 6.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,626,028 km

• M1: 110,702 km (0.088 R)
• M2: 437,125 km (0.061 R)
• M3: 828,772 km (0.11 R)
• M4: 2,046,200 km (0.043 R)
• M5: 2,430,666 km (0.093 R)
• M6: 3,168,932 km (0.086 R)
• M7: 3,618,324 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.1

Radius: 10

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.99 AU - 1.39 AU

Year: 838 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,626,028 km

• M1: 124,316 km (0.109 R)
• M2: 776,712 km (0.077 R)
• M3: 1,108,071 km (0.103 R)
• M4: 1,440,777 km (0.116 R)
• M5: 1,954,795 km (0.094 R)
• M6: 2,359,009 km (0.12 R)
• M7: 2,856,571 km (0.11 R)
• M8: 3,718,255 km (0.064 R)
• M9: 4,062,779 km (0.068 R)
• M10: 4,394,587 km (0.09 R)
• M11: 4,852,955 km (0.103 R)
• M12: 5,188,802 km (0.109 R)
• M13: 6,225,964 km (0.09 R)
• M14: 6,805,207 km (0.062 R)
• M15: 7,542,575 km (0.093 R)
• M16: 8,733,524 km (0.067 R)
• M17: 9,345,678 km (0.12 R)
• M18: 9,926,567 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.9

Radius: 8.7

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2 AU - 2.82 AU

Year: 2416 Days

Day: 5.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,626,028 km

• M1: 108,159 km (0.06 R)
• M2: 453,880 km (0.05 R)
• M3: 797,805 km (0.073 R)
• M4: 1,155,644 km (0.107 R)
• M5: 1,555,519 km (0.064 R)
• M6: 1,957,787 km (0.115 R)
• M7: 2,286,454 km (0.065 R)
• M8: 2,745,570 km (0.071 R)
• M9: 3,576,735 km (0.098 R)
• M10: 4,009,821 km (0.091 R)
• M11: 5,271,530 km (0.075 R)
• M12: 6,183,927 km (0.075 R)
• M13: 7,569,802 km (0.102 R)
• M14: 8,903,317 km (0.075 R)
• M15: 9,441,570 km (0.099 R)
• M16: 10,943,084 km (0.069 R)
• M17: 11,477,298 km (0.064 R)
• M18: 12,686,647 km (0.045 R)
• M19: 13,414,740 km (0.113 R)
• M20: 16,715,468 km (0.06 R)
• M21: 17,534,666 km (0.094 R)
• M22: 17,982,412 km (0.097 R)
• M23: 18,959,286 km (0.107 R)
• M24: 19,850,291 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.5

Radius: 9.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.5 AU - 3.54 AU

Year: 4264 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,626,028 km

• M1: 123,269 km (0.11 R)
• M2: 461,958 km (0.084 R)
• M3: 1,141,581 km (0.074 R)
• M4: 2,046,499 km (0.118 R)
• M5: 3,288,909 km (0.054 R)
• M6: 3,720,050 km (0.119 R)
• M7: 4,130,397 km (0.102 R)
• M8: 4,529,524 km (0.108 R)
• M9: 6,261,269 km (0.084 R)
• M10: 7,289,904 km (0.081 R)
• M11: 8,907,656 km (0.09 R)
• M12: 9,610,466 km (0.117 R)
• M13: 11,510,060 km (0.107 R)
• M14: 12,384,609 km (0.106 R)
• M15: 14,856,265 km (0.115 R)
• M16: 16,134,579 km (0.085 R)
• M17: 16,675,974 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.5

Radius: 14.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.33 AU - 5.49 AU

Year: 5980 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,626,028 km

• M1: 181,761 km (0.038 R)
• M2: 667,805 km (0.08 R)
• M3: 1,475,334 km (0.098 R)
• M4: 2,179,641 km (0.076 R)
• M5: 2,773,993 km (0.058 R)
• M6: 3,354,134 km (0.114 R)
• M7: 4,786,683 km (0.078 R)
• M8: 5,771,635 km (0.074 R)
• M9: 6,343,698 km (0.089 R)
• M10: 8,708,990 km (0.115 R)
• M11: 9,710,996 km (0.062 R)
• M12: 10,218,731 km (0.115 R)
• M13: 11,472,661 km (0.115 R)
• M14: 14,231,096 km (0.09 R)
• M15: 14,942,883 km (0.072 R)
• M16: 18,475,636 km (0.042 R)
• M17: 19,256,986 km (0.116 R)
• M18: 20,060,326 km (0.12 R)
• M19: 21,448,744 km (0.105 R)
• M20: 22,974,493 km (0.116 R)
• M21: 24,416,317 km (0.116 R)
• M22: 25,437,024 km (0.082 R)
• M23: 27,312,532 km (0.092 R)
• M24: 28,412,525 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.8

Radius: 6.9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.36 AU - 10.5 AU

Year: 18697 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,626,028 km

• M1: 85,869 km (0.091 R)
• M2: 313,856 km (0.105 R)
• M3: 623,973 km (0.075 R)
• M4: 1,415,495 km (0.029 R)
• M5: 2,311,287 km (0.088 R)
• M6: 3,060,772 km (0.092 R)
• M7: 3,397,816 km (0.096 R)
• M8: 3,962,249 km (0.113 R)
• M9: 6,419,095 km (0.114 R)
• M10: 6,972,158 km (0.072 R)
• M11: 7,922,554 km (0.066 R)
• M12: 10,421,885 km (0.115 R)
• M13: 16,702,752 km (0.109 R)
• M14: 18,032,527 km (0.105 R)
• M15: 18,248,696 km (0.082 R)
• M16: 18,907,824 km (0.116 R)
• M17: 21,219,560 km (0.071 R)
• M18: 23,284,609 km (0.041 R)
• M19: 25,661,420 km (0.064 R)
• M20: 25,935,184 km (0.103 R)
• M21: 31,931,965 km (0.083 R)
• M22: 35,193,946 km (0.107 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: 230 - 15,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit