🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 13

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.98 AU - 0.98 AU

Year: 617 Days

Day: 13.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 108 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,534,211 km

• M1: 161,715 km (0.045 R)
• M2: 871,557 km (0.075 R)
• M3: 1,344,137 km (0.063 R)
• M4: 2,184,129 km (0.11 R)
• M5: 2,676,306 km (0.102 R)
• M6: 4,009,373 km (0.072 R)
• M7: 4,456,371 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.3

Radius: 8.9

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.88 AU - 1.42 AU

Year: 784 Days

Day: 7.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,534,211 km

• M1: 113,694 km (0.059 R)
• M2: 490,980 km (0.11 R)
• M3: 841,638 km (0.074 R)
• M4: 1,309,281 km (0.039 R)
• M5: 1,732,343 km (0.114 R)
• M6: 2,130,573 km (0.089 R)
• M7: 2,485,718 km (0.084 R)
• M8: 2,956,204 km (0.085 R)
• M9: 3,288,311 km (0.04 R)
• M10: 3,601,120 km (0.029 R)
• M11: 3,887,301 km (0.115 R)
• M12: 4,574,404 km (0.118 R)
• M13: 4,947,052 km (0.103 R)
• M14: 5,436,686 km (0.102 R)
• M15: 6,403,537 km (0.065 R)
• M16: 7,898,768 km (0.059 R)
• M17: 8,280,541 km (0.083 R)
• M18: 9,556,910 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 8.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.1 AU - 1.66 AU

Year: 1031 Days

Day: 6.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,534,211 km

• M1: 108,309 km (0.038 R)
• M2: 397,930 km (0.093 R)
• M3: 777,311 km (0.12 R)
• M4: 1,097,300 km (0.082 R)
• M5: 2,516,984 km (0.115 R)
• M6: 4,024,632 km (0.089 R)
• M7: 5,102,783 km (0.114 R)
• M8: 5,513,579 km (0.058 R)
• M9: 6,002,016 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.2

Radius: 10.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.41 AU - 1.73 AU

Year: 1251 Days

Day: 9.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,534,211 km

• M1: 131,796 km (0.113 R)
• M2: 502,200 km (0.109 R)
• M3: 1,050,027 km (0.118 R)
• M4: 1,684,622 km (0.03 R)
• M5: 2,182,483 km (0.118 R)
• M6: 2,575,327 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 11.5

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.64 AU - 2.74 AU

Year: 2805 Days

Day: 11.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,534,211 km

• M1: 143,165 km (0.064 R)
• M2: 686,205 km (0.051 R)
• M3: 1,637,947 km (0.106 R)
• M4: 2,073,127 km (0.109 R)
• M5: 2,889,184 km (0.104 R)
• M6: 3,667,093 km (0.055 R)
• M7: 4,741,505 km (0.118 R)
• M8: 5,301,599 km (0.057 R)
• M9: 8,542,786 km (0.075 R)
• M10: 9,828,281 km (0.105 R)
• M11: 10,699,838 km (0.109 R)
• M12: 11,450,670 km (0.099 R)
• M13: 12,325,817 km (0.072 R)
• M14: 13,673,096 km (0.065 R)
• M15: 15,531,700 km (0.049 R)
• M16: 18,070,226 km (0.069 R)
• M17: 18,479,376 km (0.113 R)
• M18: 19,621,257 km (0.118 R)
• M19: 22,245,054 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 14.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.79 AU - 3.61 AU

Year: 3640 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,534,211 km

• M1: 188,643 km (0.102 R)
• M2: 684,859 km (0.093 R)
• M3: 1,316,012 km (0.089 R)
• M4: 2,709,068 km (0.104 R)
• M5: 5,727,205 km (0.102 R)
• M6: 7,054,587 km (0.116 R)
• M7: 8,195,420 km (0.1 R)
• M8: 12,090,949 km (0.039 R)
• M9: 13,433,290 km (0.09 R)
• M10: 15,656,614 km (0.12 R)
• M11: 16,688,839 km (0.081 R)
• M12: 18,828,986 km (0.101 R)
• M13: 21,937,331 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 10.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.91 AU - 3.65 AU

Year: 3777 Days

Day: 14.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,534,211 km

• M1: 133,142 km (0.076 R)
• M2: 523,593 km (0.086 R)
• M3: 940,223 km (0.034 R)
• M4: 1,580,502 km (0.08 R)
• M5: 2,086,741 km (0.095 R)
• M6: 4,104,816 km (0.057 R)
• M7: 4,487,487 km (0.116 R)
• M8: 5,483,211 km (0.047 R)
• M9: 6,772,595 km (0.116 R)
• M10: 7,537,938 km (0.059 R)
• M11: 8,079,631 km (0.113 R)
• M12: 9,782,354 km (0.085 R)
• M13: 10,263,461 km (0.084 R)
• M14: 12,347,509 km (0.074 R)
• M15: 12,909,698 km (0.084 R)
• M16: 16,090,747 km (0.068 R)
• M17: 18,279,663 km (0.108 R)
• M18: 18,764,659 km (0.094 R)
• M19: 19,633,973 km (0.079 R)
• M20: 22,610,671 km (0.106 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: 387 - 13,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit