🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.7

Radius: 9.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.7 AU - 0.78 AU

Year: 405 Days

Day: 14.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,463,907 km

• M1: 117,734 km (0.116 R)
• M2: 426,952 km (0.106 R)
• M3: 713,432 km (0.093 R)
• M4: 1,259,764 km (0.051 R)
• M5: 1,840,203 km (0.062 R)
• M6: 2,139,250 km (0.033 R)
• M7: 2,702,486 km (0.102 R)
• M8: 2,986,123 km (0.034 R)
• M9: 3,320,325 km (0.098 R)
• M10: 3,745,631 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.3

Radius: 12.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.81 AU - 1.05 AU

Year: 570 Days

Day: 11 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,463,907 km

• M1: 153,039 km (0.107 R)
• M2: 545,135 km (0.038 R)
• M3: 943,065 km (0.105 R)
• M4: 1,343,239 km (0.116 R)
• M5: 1,976,936 km (0.115 R)
• M6: 2,359,458 km (0.109 R)
• M7: 2,802,866 km (0.106 R)
• M8: 3,792,456 km (0.109 R)
• M9: 4,760,503 km (0.11 R)
• M10: 5,616,054 km (0.055 R)
• M11: 6,053,029 km (0.047 R)
• M12: 6,453,802 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 9.9

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.43 AU - 1.53 AU

Year: 1145 Days

Day: 7 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 26,463,907 km

• M1: 124,166 km (0.09 R)
• M2: 530,175 km (0.104 R)
• M3: 895,194 km (0.088 R)
• M4: 1,246,150 km (0.081 R)
• M5: 2,001,021 km (0.066 R)
• M6: 2,327,892 km (0.086 R)
• M7: 2,716,099 km (0.079 R)
• M8: 3,350,394 km (0.107 R)
• M9: 3,766,725 km (0.091 R)
• M10: 4,165,702 km (0.115 R)
• M11: 5,390,161 km (0.11 R)
• M12: 6,030,141 km (0.086 R)
• M13: 6,368,531 km (0.091 R)
• M14: 7,616,028 km (0.056 R)
• M15: 8,731,429 km (0.104 R)
• M16: 9,313,515 km (0.066 R)
• M17: 9,859,248 km (0.073 R)
• M18: 11,014,891 km (0.118 R)
• M19: 11,351,486 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.3

Radius: 12.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.26 AU - 1.86 AU

Year: 1239 Days

Day: 6.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,463,907 km

• M1: 159,172 km (0.104 R)
• M2: 615,745 km (0.031 R)
• M3: 1,106,276 km (0.056 R)
• M4: 1,713,494 km (0.086 R)
• M5: 2,385,039 km (0.04 R)
• M6: 2,952,613 km (0.083 R)
• M7: 3,780,039 km (0.083 R)
• M8: 6,289,543 km (0.062 R)
• M9: 6,820,017 km (0.079 R)
• M10: 7,430,377 km (0.084 R)
• M11: 7,892,185 km (0.091 R)
• M12: 8,345,766 km (0.037 R)
• M13: 9,016,114 km (0.112 R)
• M14: 9,423,469 km (0.033 R)
• M15: 9,995,980 km (0.109 R)
• M16: 10,914,661 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 10

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.79 AU - 1.91 AU

Year: 1600 Days

Day: 10 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,463,907 km

• M1: 124,316 km (0.09 R)
• M2: 441,763 km (0.105 R)
• M3: 1,123,330 km (0.094 R)
• M4: 1,995,486 km (0.077 R)
• M5: 2,363,646 km (0.064 R)
• M6: 3,398,864 km (0.088 R)
• M7: 3,960,753 km (0.112 R)
• M8: 4,805,383 km (0.077 R)
• M9: 5,493,683 km (0.062 R)
• M10: 5,959,082 km (0.108 R)
• M11: 8,062,727 km (0.104 R)
• M12: 8,387,504 km (0.07 R)
• M13: 10,051,182 km (0.091 R)
• M14: 10,781,070 km (0.095 R)
• M15: 11,242,430 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23

Radius: 13.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.79 AU - 1.97 AU

Year: 1639 Days

Day: 11.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 26,463,907 km

• M1: 169,345 km (0.112 R)
• M2: 775,067 km (0.082 R)
• M3: 1,366,427 km (0.108 R)
• M4: 2,977,596 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.7

Radius: 9.6

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.57 AU - 3.75 AU

Year: 3572 Days

Day: 8 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,463,907 km

• M1: 119,379 km (0.06 R)
• M2: 546,032 km (0.102 R)
• M3: 859,589 km (0.059 R)
• M4: 1,432,250 km (0.056 R)
• M5: 1,935,048 km (0.057 R)
• M6: 2,302,910 km (0.084 R)
• M7: 2,854,627 km (0.045 R)
• M8: 3,452,120 km (0.093 R)
• M9: 4,108,406 km (0.117 R)
• M10: 4,574,553 km (0.112 R)
• M11: 5,366,674 km (0.105 R)
• M12: 5,838,356 km (0.104 R)
• M13: 6,217,437 km (0.117 R)
• M14: 6,769,752 km (0.068 R)
• M15: 8,007,376 km (0.067 R)
• M16: 8,736,216 km (0.08 R)
• M17: 9,628,269 km (0.06 R)
• M18: 10,075,865 km (0.109 R)
• M19: 11,278,034 km (0.09 R)
• M20: 12,766,084 km (0.07 R)
• M21: 14,751,397 km (0.111 R)
• M22: 18,011,284 km (0.077 R)
• M23: 21,105,417 km (0.078 R)
• M24: 25,992,480 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 17,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit