🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 14.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.61 AU - 1.01 AU

Year: 464 Days

Day: 10.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,895,600 km

• M1: 176,675 km (0.089 R)
• M2: 636,389 km (0.106 R)
• M3: 1,211,743 km (0.084 R)
• M4: 1,774,979 km (0.117 R)
• M5: 2,278,076 km (0.101 R)
• M6: 2,773,245 km (0.062 R)
• M7: 3,404,848 km (0.085 R)
• M8: 3,949,384 km (0.115 R)
• M9: 4,408,649 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.2

Radius: 10.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.65 AU - 1.01 AU

Year: 481 Days

Day: 6.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,895,600 km

• M1: 125,662 km (0.058 R)
• M2: 448,794 km (0.07 R)
• M3: 962,214 km (0.057 R)
• M4: 1,377,796 km (0.119 R)
• M5: 1,692,700 km (0.118 R)
• M6: 2,232,898 km (0.117 R)
• M7: 2,816,030 km (0.108 R)
• M8: 3,419,658 km (0.077 R)
• M9: 4,019,695 km (0.094 R)
• M10: 4,364,967 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.2

Radius: 9.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1 AU - 1.66 AU

Year: 975 Days

Day: 10.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,895,600 km

• M1: 120,725 km (0.077 R)
• M2: 530,025 km (0.11 R)
• M3: 833,559 km (0.102 R)
• M4: 1,368,821 km (0.076 R)
• M5: 2,017,477 km (0.093 R)
• M6: 2,327,444 km (0.088 R)
• M7: 2,923,142 km (0.098 R)
• M8: 3,542,029 km (0.085 R)
• M9: 4,302,435 km (0.065 R)
• M10: 5,363,981 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.6

Radius: 12.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.28 AU - 1.5 AU

Year: 1042 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,895,600 km

• M1: 155,582 km (0.079 R)
• M2: 578,794 km (0.059 R)
• M3: 1,040,603 km (0.093 R)
• M4: 1,783,057 km (0.065 R)
• M5: 2,268,502 km (0.08 R)
• M6: 2,895,168 km (0.117 R)
• M7: 4,588,316 km (0.058 R)
• M8: 5,723,315 km (0.096 R)
• M9: 6,673,262 km (0.069 R)
• M10: 7,111,434 km (0.075 R)
• M11: 8,045,822 km (0.087 R)
• M12: 9,237,369 km (0.108 R)
• M13: 11,342,959 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.4

Radius: 14

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.31 AU - 1.83 AU

Year: 1251 Days

Day: 5.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,895,600 km

• M1: 174,132 km (0.102 R)
• M2: 677,379 km (0.114 R)
• M3: 1,126,023 km (0.104 R)
• M4: 1,698,385 km (0.085 R)
• M5: 2,387,133 km (0.086 R)
• M6: 3,435,515 km (0.063 R)
• M7: 3,918,118 km (0.106 R)
• M8: 4,363,171 km (0.072 R)
• M9: 5,299,505 km (0.077 R)
• M10: 5,805,893 km (0.113 R)
• M11: 6,301,960 km (0.112 R)
• M12: 7,007,463 km (0.077 R)
• M13: 7,740,643 km (0.085 R)
• M14: 8,761,947 km (0.11 R)
• M15: 9,333,112 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.4

Radius: 8.5

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.9 AU - 5.9 AU

Year: 7979 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,895,600 km

• M1: 105,766 km (0.053 R)
• M2: 563,086 km (0.098 R)
• M3: 885,320 km (0.04 R)
• M4: 3,066,906 km (0.119 R)
• M5: 4,325,024 km (0.067 R)
• M6: 5,201,368 km (0.03 R)
• M7: 6,221,626 km (0.104 R)
• M8: 9,749,443 km (0.094 R)
• M9: 11,794,147 km (0.117 R)
• M10: 14,214,042 km (0.097 R)
• M11: 20,343,515 km (0.114 R)
• M12: 21,361,978 km (0.106 R)
• M13: 26,568,133 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.6

Radius: 9.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.46 AU - 5.98 AU

Year: 8698 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,895,600 km

• M1: 127,607 km (0.079 R)
• M2: 593,156 km (0.085 R)
• M3: 1,907,672 km (0.093 R)
• M4: 3,246,573 km (0.113 R)
• M5: 4,939,572 km (0.108 R)
• M6: 5,902,234 km (0.081 R)
• M7: 7,362,609 km (0.112 R)
• M8: 8,009,470 km (0.083 R)
• M9: 9,750,340 km (0.1 R)
• M10: 10,353,669 km (0.106 R)
• M11: 11,212,061 km (0.093 R)
• M12: 20,624,460 km (0.099 R)
• M13: 24,321,323 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.3

Radius: 5.6

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.95 AU - 13.49 AU

Year: 23896 Days

Day: 17.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,895,600 km

• M1: 69,713 km (0.096 R)
• M2: 389,702 km (0.088 R)
• M3: 1,470,996 km (0.03 R)
• M4: 2,766,065 km (0.025 R)
• M5: 5,123,727 km (0.111 R)
• M6: 7,844,314 km (0.08 R)
• M7: 8,914,238 km (0.078 R)
• M8: 11,884,803 km (0.089 R)
• M9: 12,132,687 km (0.064 R)
• M10: 25,021,590 km (0.046 R)
• M11: 27,966,574 km (0.08 R)
• M12: 29,296,649 km (0.114 R)
• M13: 33,785,782 km (0.106 R)
• M14: 34,785,843 km (0.118 R)
• M15: 36,714,160 km (0.106 R)
• M16: 39,120,741 km (0.03 R)
• M17: 53,413,172 km (0.045 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: 197 - 13,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit