🌌 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: 757.5

Radius: 8.9

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.67 AU - 0.77 AU

Year: 394 Days

Day: 9.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,002,229 km

• M1: 110,702 km (0.117 R)
• M2: 590,612 km (0.066 R)
• M3: 875,596 km (0.081 R)
• M4: 1,170,454 km (0.117 R)
• M5: 1,453,194 km (0.108 R)
• M6: 1,744,910 km (0.072 R)
• M7: 2,284,210 km (0.106 R)
• M8: 3,082,315 km (0.116 R)
• M9: 3,497,449 km (0.083 R)
• M10: 3,820,131 km (0.064 R)
• M11: 4,355,692 km (0.108 R)
• M12: 4,940,470 km (0.111 R)
• M13: 5,315,811 km (0.108 R)
• M14: 5,643,131 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 10.5

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.66 AU - 0.84 AU

Year: 419 Days

Day: 5.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,002,229 km

• M1: 130,599 km (0.093 R)
• M2: 488,587 km (0.101 R)
• M3: 855,550 km (0.047 R)
• M4: 1,283,699 km (0.066 R)
• M5: 1,766,152 km (0.064 R)
• M6: 2,530,598 km (0.12 R)
• M7: 3,046,860 km (0.114 R)
• M8: 3,410,083 km (0.075 R)
• M9: 3,839,429 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.5

Radius: 13.1

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.9 AU - 2.72 AU

Year: 2267 Days

Day: 12.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,002,229 km

• M1: 163,660 km (0.07 R)
• M2: 623,674 km (0.064 R)
• M3: 1,115,551 km (0.109 R)
• M4: 2,518,929 km (0.117 R)
• M5: 3,582,271 km (0.09 R)
• M6: 4,265,484 km (0.099 R)
• M7: 4,732,977 km (0.096 R)
• M8: 6,527,553 km (0.088 R)
• M9: 8,145,155 km (0.104 R)
• M10: 8,612,050 km (0.113 R)
• M11: 9,096,897 km (0.05 R)
• M12: 10,552,484 km (0.113 R)
• M13: 11,145,939 km (0.055 R)
• M14: 14,772,191 km (0.114 R)
• M15: 16,480,001 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956

Radius: 11.7

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.94 AU - 2.72 AU

Year: 2296 Days

Day: 9 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,002,229 km

• M1: 145,559 km (0.046 R)
• M2: 525,089 km (0.078 R)
• M3: 978,669 km (0.074 R)
• M4: 1,612,366 km (0.065 R)
• M5: 2,036,326 km (0.095 R)
• M6: 2,917,308 km (0.07 R)
• M7: 3,647,645 km (0.103 R)
• M8: 4,241,100 km (0.054 R)
• M9: 5,596,756 km (0.118 R)
• M10: 6,224,169 km (0.111 R)
• M11: 7,282,873 km (0.044 R)
• M12: 7,650,884 km (0.071 R)
• M13: 8,325,122 km (0.085 R)
• M14: 10,432,507 km (0.061 R)
• M15: 10,940,840 km (0.097 R)
• M16: 11,796,989 km (0.081 R)
• M17: 12,349,155 km (0.066 R)
• M18: 14,062,200 km (0.119 R)
• M19: 14,975,794 km (0.096 R)
• M20: 15,372,079 km (0.072 R)
• M21: 16,237,652 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.2

Radius: 11.4

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.8 AU - 2.88 AU

Year: 2311 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,002,229 km

• M1: 142,118 km (0.108 R)
• M2: 628,610 km (0.095 R)
• M3: 1,428,211 km (0.042 R)
• M4: 2,337,168 km (0.07 R)
• M5: 4,337,590 km (0.088 R)
• M6: 5,112,208 km (0.089 R)
• M7: 5,624,431 km (0.055 R)
• M8: 6,726,219 km (0.085 R)
• M9: 8,083,671 km (0.111 R)
• M10: 9,418,532 km (0.093 R)
• M11: 10,398,398 km (0.106 R)
• M12: 11,859,820 km (0.061 R)
• M13: 12,363,067 km (0.028 R)
• M14: 14,784,159 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.1

Radius: 9.7

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.37 AU - 4.31 AU

Year: 4859 Days

Day: 13.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,002,229 km

• M1: 120,576 km (0.093 R)
• M2: 442,810 km (0.095 R)
• M3: 797,057 km (0.069 R)
• M4: 1,745,957 km (0.047 R)
• M5: 2,403,439 km (0.109 R)
• M6: 2,753,199 km (0.092 R)
• M7: 3,197,654 km (0.105 R)
• M8: 4,330,260 km (0.112 R)
• M9: 5,802,901 km (0.079 R)
• M10: 6,339,210 km (0.086 R)
• M11: 7,081,963 km (0.085 R)
• M12: 8,700,014 km (0.091 R)
• M13: 9,067,576 km (0.082 R)
• M14: 9,660,133 km (0.06 R)
• M15: 10,643,141 km (0.098 R)
• M16: 11,495,998 km (0.116 R)
• M17: 12,089,303 km (0.098 R)
• M18: 12,547,671 km (0.06 R)
• M19: 14,384,583 km (0.11 R)
• M20: 14,957,394 km (0.052 R)
• M21: 17,019,151 km (0.054 R)
• M22: 18,786,351 km (0.119 R)
• M23: 24,091,391 km (0.112 R)
• M24: 24,899,219 km (0.114 R)
• M25: 27,170,863 km (0.091 R)
• M26: 27,957,897 km (0.115 R)
• M27: 29,485,740 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 15,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit