🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.1

Radius: 11.9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.53 AU - 0.69 AU

Year: 318 Days

Day: 13.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,005,408 km

• M1: 148,102 km (0.074 R)
• M2: 589,565 km (0.084 R)
• M3: 990,637 km (0.085 R)
• M4: 1,496,577 km (0.079 R)
• M5: 1,978,731 km (0.114 R)
• M6: 2,620,955 km (0.117 R)
• M7: 3,002,280 km (0.036 R)
• M8: 3,478,898 km (0.118 R)
• M9: 3,967,485 km (0.1 R)
• M10: 4,459,812 km (0.089 R)
• M11: 4,992,829 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.6

Radius: 12.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.58 AU - 0.7 AU

Year: 341 Days

Day: 10.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,005,408 km

• M1: 159,172 km (0.103 R)
• M2: 770,130 km (0.106 R)
• M3: 1,345,034 km (0.108 R)
• M4: 1,801,906 km (0.085 R)
• M5: 2,293,485 km (0.106 R)
• M6: 2,824,109 km (0.062 R)
• M7: 3,378,967 km (0.055 R)
• M8: 3,829,855 km (0.087 R)
• M9: 4,240,800 km (0.107 R)
• M10: 4,883,323 km (0.085 R)
• M11: 5,290,230 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670

Radius: 9.5

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.53 AU - 0.75 AU

Year: 341 Days

Day: 8.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,005,408 km

• M1: 118,182 km (0.103 R)
• M2: 426,354 km (0.081 R)
• M3: 725,699 km (0.119 R)
• M4: 1,323,343 km (0.027 R)
• M5: 1,935,497 km (0.051 R)
• M6: 2,281,517 km (0.097 R)
• M7: 3,348,898 km (0.091 R)
• M8: 3,913,032 km (0.073 R)
• M9: 4,257,555 km (0.112 R)
• M10: 4,992,979 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759

Radius: 13.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.57 AU - 0.75 AU

Year: 358 Days

Day: 9.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,005,408 km

• M1: 169,195 km (0.061 R)
• M2: 619,335 km (0.106 R)
• M3: 1,150,108 km (0.081 R)
• M4: 1,980,676 km (0.116 R)
• M5: 2,531,046 km (0.069 R)
• M6: 3,033,546 km (0.099 R)
• M7: 3,520,487 km (0.08 R)
• M8: 3,995,610 km (0.104 R)
• M9: 5,383,279 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.1

Radius: 12.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.97 AU - 0.97 AU

Year: 637 Days

Day: 9.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,005,408 km

• M1: 156,629 km (0.104 R)
• M2: 661,522 km (0.032 R)
• M3: 1,086,081 km (0.034 R)
• M4: 1,514,529 km (0.04 R)
• M5: 1,932,804 km (0.062 R)
• M6: 2,606,593 km (0.052 R)
• M7: 3,581,373 km (0.095 R)
• M8: 4,352,400 km (0.073 R)
• M9: 5,280,506 km (0.099 R)
• M10: 5,898,195 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.2

Radius: 11.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.11 AU - 1.35 AU

Year: 910 Days

Day: 10.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 35,005,408 km

• M1: 144,212 km (0.098 R)
• M2: 1,014,124 km (0.116 R)
• M3: 1,849,179 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.4

Radius: 13.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.26 AU - 1.3 AU

Year: 966 Days

Day: 11 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,005,408 km

• M1: 169,195 km (0.089 R)
• M2: 623,973 km (0.086 R)
• M3: 1,117,047 km (0.112 R)
• M4: 2,028,697 km (0.063 R)
• M5: 2,501,725 km (0.048 R)
• M6: 3,606,356 km (0.07 R)
• M7: 4,709,640 km (0.083 R)
• M8: 5,259,562 km (0.113 R)
• M9: 5,737,826 km (0.116 R)
• M10: 6,613,722 km (0.106 R)
• M11: 7,216,302 km (0.085 R)
• M12: 8,020,839 km (0.041 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.5

Radius: 12

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.67 AU - 4.69 AU

Year: 5699 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,005,408 km

• M1: 308,620 km (0.079 R)
• M2: 776,114 km (0.072 R)
• M3: 1,972,747 km (0.081 R)
• M4: 3,220,842 km (0.082 R)
• M5: 4,052,457 km (0.112 R)
• M6: 8,456,468 km (0.081 R)
• M7: 8,948,197 km (0.067 R)
• M8: 10,353,519 km (0.109 R)
• M9: 10,821,611 km (0.096 R)
• M10: 13,820,599 km (0.059 R)
• M11: 14,388,622 km (0.05 R)
• M12: 14,795,379 km (0.087 R)
• M13: 15,815,487 km (0.058 R)
• M14: 16,563,327 km (0.101 R)
• M15: 18,879,850 km (0.081 R)
• M16: 21,254,566 km (0.083 R)
• M17: 25,222,051 km (0.089 R)
• M18: 28,186,034 km (0.111 R)
• M19: 31,084,194 km (0.067 R)
• M20: 32,356,673 km (0.113 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 19,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit