🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.2

Radius: 13

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.67 AU - 0.69 AU

Year: 357 Days

Day: 11.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,461,422 km

• M1: 161,715 km (0.114 R)
• M2: 626,366 km (0.056 R)
• M3: 1,265,000 km (0.117 R)
• M4: 1,756,578 km (0.084 R)
• M5: 2,182,932 km (0.06 R)
• M6: 2,616,467 km (0.056 R)
• M7: 3,219,795 km (0.118 R)
• M8: 3,832,697 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.7

Radius: 14.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.35 AU - 1.81 AU

Year: 1263 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,461,422 km

• M1: 180,265 km (0.091 R)
• M2: 684,709 km (0.115 R)
• M3: 1,279,211 km (0.078 R)
• M4: 1,885,532 km (0.102 R)
• M5: 2,968,770 km (0.111 R)
• M6: 3,884,608 km (0.083 R)
• M7: 7,014,495 km (0.076 R)
• M8: 8,612,200 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.2

Radius: 14.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.21 AU - 2.37 AU

Year: 2203 Days

Day: 7.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 75.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,461,422 km

• M1: 180,415 km (0.064 R)
• M2: 871,557 km (0.118 R)
• M3: 2,062,506 km (0.107 R)
• M4: 2,526,858 km (0.097 R)
• M5: 3,174,616 km (0.074 R)
• M6: 4,046,622 km (0.086 R)
• M7: 4,571,412 km (0.029 R)
• M8: 5,933,650 km (0.081 R)
• M9: 7,058,028 km (0.074 R)
• M10: 7,701,598 km (0.046 R)
• M11: 10,194,796 km (0.095 R)
• M12: 10,713,900 km (0.088 R)
• M13: 11,565,561 km (0.079 R)
• M14: 13,580,196 km (0.106 R)
• M15: 14,717,887 km (0.055 R)
• M16: 16,066,363 km (0.068 R)
• M17: 17,390,902 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 8.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.88 AU - 2.96 AU

Year: 2394 Days

Day: 5.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,461,422 km

• M1: 110,702 km (0.11 R)
• M2: 401,221 km (0.028 R)
• M3: 698,323 km (0.097 R)
• M4: 1,015,919 km (0.063 R)
• M5: 1,311,674 km (0.107 R)
• M6: 1,647,521 km (0.098 R)
• M7: 2,840,415 km (0.063 R)
• M8: 3,641,661 km (0.073 R)
• M9: 3,934,424 km (0.056 R)
• M10: 4,403,114 km (0.064 R)
• M11: 5,287,387 km (0.084 R)
• M12: 5,771,785 km (0.062 R)
• M13: 6,471,155 km (0.055 R)
• M14: 8,793,812 km (0.067 R)
• M15: 10,349,629 km (0.109 R)
• M16: 11,175,859 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.3

Radius: 13

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.11 AU - 4.69 AU

Year: 4897 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,461,422 km

• M1: 161,715 km (0.059 R)
• M2: 582,983 km (0.08 R)
• M3: 1,056,161 km (0.09 R)
• M4: 1,948,213 km (0.117 R)
• M5: 3,154,570 km (0.031 R)
• M6: 4,878,985 km (0.096 R)
• M7: 5,643,131 km (0.086 R)
• M8: 7,954,119 km (0.084 R)
• M9: 8,421,612 km (0.085 R)
• M10: 9,049,474 km (0.071 R)
• M11: 9,821,399 km (0.106 R)
• M12: 10,282,011 km (0.083 R)
• M13: 11,793,548 km (0.048 R)
• M14: 13,078,295 km (0.112 R)
• M15: 13,683,717 km (0.106 R)
• M16: 14,503,514 km (0.106 R)
• M17: 15,051,191 km (0.059 R)
• M18: 17,773,274 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.6

Radius: 9.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.5 AU - 5.36 AU

Year: 6960 Days

Day: 13.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,461,422 km

• M1: 125,513 km (0.081 R)
• M2: 483,052 km (0.093 R)
• M3: 1,001,707 km (0.056 R)
• M4: 3,215,157 km (0.111 R)
• M5: 3,933,227 km (0.074 R)
• M6: 4,754,819 km (0.119 R)
• M7: 5,533,476 km (0.116 R)
• M8: 6,098,208 km (0.07 R)
• M9: 6,805,207 km (0.113 R)
• M10: 7,908,940 km (0.099 R)
• M11: 8,832,857 km (0.068 R)
• M12: 10,942,187 km (0.075 R)
• M13: 13,756,871 km (0.042 R)
• M14: 15,819,526 km (0.111 R)
• M15: 17,878,591 km (0.049 R)
• M16: 20,401,709 km (0.102 R)
• M17: 20,918,569 km (0.108 R)
• M18: 21,671,944 km (0.096 R)
• M19: 21,978,321 km (0.078 R)
• M20: 26,490,193 km (0.097 R)
• M21: 27,550,692 km (0.1 R)
• M22: 29,662,116 km (0.064 R)
• M23: 30,134,995 km (0.111 R)
• M24: 32,475,155 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 16,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit