🌌 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: 888.8

Radius: 9.1

Gravity: 10.73 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.54 AU - 0.88 AU

Year: 380 Days

Day: 8.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 103.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,961,983 km

• M1: 113,096 km (0.048 R)
• M2: 674,088 km (0.044 R)
• M3: 976,724 km (0.059 R)
• M4: 1,304,344 km (0.083 R)
• M5: 1,612,366 km (0.112 R)
• M6: 2,010,296 km (0.07 R)
• M7: 2,639,206 km (0.053 R)
• M8: 3,550,855 km (0.117 R)
• M9: 4,012,065 km (0.088 R)
• M10: 4,355,392 km (0.076 R)
• M11: 4,992,231 km (0.108 R)
• M12: 5,423,072 km (0.117 R)
• M13: 5,758,022 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.5

Radius: 14.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.81 AU - 0.81 AU

Year: 464 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,961,983 km

• M1: 178,171 km (0.1 R)
• M2: 678,726 km (0.063 R)
• M3: 1,421,479 km (0.074 R)
• M4: 2,292,288 km (0.052 R)
• M5: 3,212,764 km (0.119 R)
• M6: 4,008,475 km (0.095 R)
• M7: 4,886,016 km (0.101 R)
• M8: 5,461,968 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.2

Radius: 12.1

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.78 AU - 1.08 AU

Year: 570 Days

Day: 14.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,961,983 km

• M1: 150,495 km (0.084 R)
• M2: 563,984 km (0.115 R)
• M3: 1,095,655 km (0.107 R)
• M4: 1,534,874 km (0.07 R)
• M5: 2,083,150 km (0.12 R)
• M6: 2,508,756 km (0.03 R)
• M7: 3,289,358 km (0.115 R)
• M8: 4,135,035 km (0.09 R)
• M9: 4,898,133 km (0.036 R)
• M10: 5,331,519 km (0.115 R)
• M11: 6,809,545 km (0.09 R)
• M12: 7,240,387 km (0.103 R)
• M13: 7,735,407 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 10

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.95 AU - 1.29 AU

Year: 754 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,961,983 km

• M1: 124,316 km (0.077 R)
• M2: 786,586 km (0.118 R)
• M3: 1,550,881 km (0.081 R)
• M4: 2,147,627 km (0.101 R)
• M5: 2,677,652 km (0.073 R)
• M6: 3,501,488 km (0.077 R)
• M7: 4,605,670 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 12.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.11 AU - 1.41 AU

Year: 899 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,961,983 km

• M1: 150,495 km (0.113 R)
• M2: 957,576 km (0.116 R)
• M3: 1,962,874 km (0.04 R)
• M4: 2,818,424 km (0.081 R)
• M5: 3,445,089 km (0.077 R)
• M6: 3,923,653 km (0.113 R)
• M7: 4,344,921 km (0.054 R)
• M8: 5,733,338 km (0.117 R)
• M9: 6,278,024 km (0.08 R)
• M10: 6,720,236 km (0.043 R)
• M11: 8,382,268 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.6

Radius: 13.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.75 AU - 2.77 AU

Year: 2160 Days

Day: 5.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,961,983 km

• M1: 170,392 km (0.11 R)
• M2: 605,572 km (0.071 R)
• M3: 1,260,960 km (0.084 R)
• M4: 2,451,610 km (0.094 R)
• M5: 3,224,582 km (0.082 R)
• M6: 4,705,152 km (0.066 R)
• M7: 6,493,595 km (0.096 R)
• M8: 7,526,867 km (0.114 R)
• M9: 9,466,254 km (0.117 R)
• M10: 10,133,311 km (0.051 R)
• M11: 10,756,685 km (0.12 R)
• M12: 11,250,358 km (0.065 R)
• M13: 13,640,783 km (0.092 R)
• M14: 16,955,572 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.2

Radius: 12.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.67 AU - 3.09 AU

Year: 3108 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,961,983 km

• M1: 155,432 km (0.057 R)
• M2: 1,373,907 km (0.067 R)
• M3: 1,769,144 km (0.105 R)
• M4: 2,874,373 km (0.065 R)
• M5: 4,693,932 km (0.097 R)
• M6: 5,293,371 km (0.082 R)
• M7: 8,728,288 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 14

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.13 AU - 4.15 AU

Year: 4416 Days

Day: 12.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,961,983 km

• M1: 174,132 km (0.089 R)
• M2: 804,089 km (0.095 R)
• M3: 1,369,569 km (0.11 R)
• M4: 1,971,550 km (0.062 R)
• M5: 2,571,139 km (0.118 R)
• M6: 3,599,474 km (0.1 R)
• M7: 4,574,104 km (0.097 R)
• M8: 5,264,947 km (0.084 R)
• M9: 6,284,158 km (0.092 R)
• M10: 6,794,735 km (0.049 R)
• M11: 7,696,362 km (0.114 R)
• M12: 8,786,182 km (0.119 R)
• M13: 10,097,108 km (0.038 R)
• M14: 13,941,624 km (0.094 R)
• M15: 15,504,623 km (0.03 R)
• M16: 16,161,656 km (0.093 R)
• M17: 17,472,732 km (0.096 R)
• M18: 22,380,141 km (0.087 R)
• M19: 22,867,381 km (0.044 R)
• M20: 24,887,700 km (0.092 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 15,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit