🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.7

Radius: 8.6

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.62 AU - 0.7 AU

Year: 358 Days

Day: 10.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,642,626 km

• M1: 106,962 km (0.107 R)
• M2: 539,749 km (0.071 R)
• M3: 820,096 km (0.118 R)
• M4: 1,343,538 km (0.105 R)
• M5: 1,915,152 km (0.082 R)
• M6: 2,684,983 km (0.057 R)
• M7: 3,408,438 km (0.115 R)
• M8: 3,827,462 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.9

Radius: 11.6

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.54 AU - 0.88 AU

Year: 399 Days

Day: 11.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,642,626 km

• M1: 144,362 km (0.059 R)
• M2: 642,672 km (0.099 R)
• M3: 1,275,322 km (0.106 R)
• M4: 2,091,977 km (0.054 R)
• M5: 2,724,177 km (0.1 R)
• M6: 3,114,478 km (0.105 R)
• M7: 3,542,029 km (0.107 R)
• M8: 3,968,532 km (0.116 R)
• M9: 4,725,647 km (0.106 R)
• M10: 5,309,528 km (0.067 R)
• M11: 6,229,255 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 9.3

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.8 AU - 0.98 AU

Year: 560 Days

Day: 9.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,642,626 km

• M1: 115,639 km (0.105 R)
• M2: 417,228 km (0.036 R)
• M3: 1,190,649 km (0.051 R)
• M4: 2,203,876 km (0.106 R)
• M5: 2,508,158 km (0.119 R)
• M6: 3,431,775 km (0.055 R)
• M7: 4,345,070 km (0.09 R)
• M8: 5,497,273 km (0.049 R)
• M9: 5,810,381 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 10

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.41 AU - 1.47 AU

Year: 1152 Days

Day: 12.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,642,626 km

• M1: 124,316 km (0.097 R)
• M2: 500,554 km (0.082 R)
• M3: 932,593 km (0.078 R)
• M4: 1,313,918 km (0.114 R)
• M5: 2,248,306 km (0.086 R)
• M6: 2,879,310 km (0.077 R)
• M7: 3,236,999 km (0.058 R)
• M8: 3,624,457 km (0.045 R)
• M9: 4,025,230 km (0.111 R)
• M10: 4,877,040 km (0.072 R)
• M11: 5,667,665 km (0.06 R)
• M12: 6,541,466 km (0.097 R)
• M13: 6,985,622 km (0.034 R)
• M14: 7,635,625 km (0.101 R)
• M15: 8,297,296 km (0.118 R)
• M16: 8,847,816 km (0.027 R)
• M17: 10,151,113 km (0.105 R)
• M18: 12,488,879 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938

Radius: 10.6

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.52 AU - 1.8 AU

Year: 1426 Days

Day: 14.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,642,626 km

• M1: 131,796 km (0.111 R)
• M2: 472,131 km (0.11 R)
• M3: 1,005,746 km (0.029 R)
• M4: 1,400,535 km (0.051 R)
• M5: 1,825,692 km (0.113 R)
• M6: 2,770,253 km (0.113 R)
• M7: 3,257,344 km (0.088 R)
• M8: 3,613,387 km (0.104 R)
• M9: 4,104,218 km (0.097 R)
• M10: 5,091,564 km (0.103 R)
• M11: 5,505,950 km (0.092 R)
• M12: 6,254,837 km (0.099 R)
• M13: 6,730,707 km (0.113 R)
• M14: 10,350,677 km (0.084 R)
• M15: 11,416,711 km (0.071 R)
• M16: 12,090,650 km (0.085 R)
• M17: 13,933,695 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.4

Radius: 10.9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.32 AU - 2.04 AU

Year: 1452 Days

Day: 10.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,642,626 km

• M1: 135,685 km (0.119 R)
• M2: 496,216 km (0.086 R)
• M3: 919,279 km (0.053 R)
• M4: 1,395,748 km (0.111 R)
• M5: 1,748,650 km (0.061 R)
• M6: 2,205,821 km (0.075 R)
• M7: 4,213,424 km (0.116 R)
• M8: 4,587,718 km (0.081 R)
• M9: 6,065,745 km (0.114 R)
• M10: 6,451,408 km (0.116 R)
• M11: 6,829,292 km (0.094 R)
• M12: 8,491,624 km (0.087 R)
• M13: 8,946,252 km (0.085 R)
• M14: 9,447,106 km (0.111 R)
• M15: 10,312,828 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.9

Radius: 8.7

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.47 AU - 3.59 AU

Year: 3517 Days

Day: 10.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,642,626 km

• M1: 108,159 km (0.063 R)
• M2: 485,894 km (0.108 R)
• M3: 842,386 km (0.106 R)
• M4: 1,321,847 km (0.109 R)
• M5: 1,806,245 km (0.043 R)
• M6: 2,211,206 km (0.089 R)
• M7: 2,529,850 km (0.059 R)
• M8: 2,810,346 km (0.078 R)
• M9: 3,260,785 km (0.098 R)
• M10: 4,708,892 km (0.084 R)
• M11: 5,033,220 km (0.066 R)
• M12: 6,543,710 km (0.102 R)
• M13: 8,773,915 km (0.06 R)
• M14: 9,421,674 km (0.114 R)
• M15: 9,897,844 km (0.044 R)
• M16: 10,941,439 km (0.081 R)
• M17: 12,056,691 km (0.069 R)
• M18: 12,665,704 km (0.085 R)
• M19: 13,099,238 km (0.085 R)
• M20: 14,826,944 km (0.101 R)
• M21: 16,874,191 km (0.059 R)
• M22: 20,124,803 km (0.107 R)
• M23: 20,781,687 km (0.099 R)
• M24: 21,452,933 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.3

Radius: 9.1

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.49 AU - 3.83 AU

Year: 4669 Days

Day: 8.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 169.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,642,626 km

• M1: 113,844 km (0.1 R)
• M2: 405,859 km (0.027 R)
• M3: 965,355 km (0.083 R)
• M4: 1,369,269 km (0.117 R)
• M5: 2,790,748 km (0.081 R)
• M6: 3,279,485 km (0.098 R)
• M7: 3,916,771 km (0.111 R)
• M8: 5,292,473 km (0.099 R)
• M9: 6,169,117 km (0.109 R)
• M10: 6,559,119 km (0.113 R)
• M11: 6,930,869 km (0.098 R)
• M12: 8,169,839 km (0.115 R)
• M13: 8,841,982 km (0.116 R)
• M14: 15,669,180 km (0.067 R)
• M15: 17,019,301 km (0.118 R)
• M16: 24,144,797 km (0.086 R)
• M17: 27,304,454 km (0.078 R)
• M18: 28,356,875 km (0.114 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: 239 - 14,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit