🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 10.1

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.87 AU - 0.99 AU

Year: 579 Days

Day: 7.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,436,283 km

• M1: 125,662 km (0.1 R)
• M2: 443,857 km (0.044 R)
• M3: 884,572 km (0.11 R)
• M4: 1,208,452 km (0.066 R)
• M5: 2,046,948 km (0.034 R)
• M6: 2,486,616 km (0.041 R)
• M7: 2,854,477 km (0.096 R)
• M8: 3,343,812 km (0.119 R)
• M9: 3,687,438 km (0.108 R)
• M10: 4,313,056 km (0.092 R)
• M11: 5,205,408 km (0.093 R)
• M12: 5,598,551 km (0.083 R)
• M13: 6,066,942 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 14.3

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.88 AU - 2.72 AU

Year: 2252 Days

Day: 12.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,436,283 km

• M1: 177,872 km (0.066 R)
• M2: 975,827 km (0.115 R)
• M3: 3,446,286 km (0.112 R)
• M4: 4,059,937 km (0.109 R)
• M5: 5,184,763 km (0.063 R)
• M6: 5,944,122 km (0.074 R)
• M7: 6,695,402 km (0.072 R)
• M8: 9,746,600 km (0.103 R)
• M9: 10,242,517 km (0.113 R)
• M10: 13,934,742 km (0.106 R)
• M11: 14,702,928 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.6

Radius: 13.1

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.5 AU - 2.74 AU

Year: 2738 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,436,283 km

• M1: 162,912 km (0.114 R)
• M2: 609,312 km (0.03 R)
• M3: 1,103,434 km (0.1 R)
• M4: 1,752,240 km (0.114 R)
• M5: 2,381,149 km (0.099 R)
• M6: 3,422,650 km (0.062 R)
• M7: 3,919,763 km (0.113 R)
• M8: 4,658,029 km (0.093 R)
• M9: 5,329,424 km (0.086 R)
• M10: 6,456,794 km (0.063 R)
• M11: 6,912,768 km (0.075 R)
• M12: 8,331,704 km (0.066 R)
• M13: 9,209,095 km (0.116 R)
• M14: 9,847,429 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.5

Radius: 11.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.15 AU - 4.55 AU

Year: 5858 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,436,283 km

• M1: 144,960 km (0.056 R)
• M2: 521,947 km (0.096 R)
• M3: 1,496,727 km (0.118 R)
• M4: 1,926,521 km (0.057 R)
• M5: 3,041,325 km (0.09 R)
• M6: 4,780,550 km (0.076 R)
• M7: 5,355,305 km (0.079 R)
• M8: 5,892,062 km (0.1 R)
• M9: 12,145,702 km (0.062 R)
• M10: 12,557,993 km (0.088 R)
• M11: 13,703,165 km (0.09 R)
• M12: 14,453,548 km (0.062 R)
• M13: 19,730,912 km (0.052 R)
• M14: 21,541,794 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.4

Radius: 11.3

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.71 AU - 5.07 AU

Year: 5939 Days

Day: 9 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,436,283 km

• M1: 144,362 km (0.04 R)
• M2: 729,290 km (0.057 R)
• M3: 1,338,901 km (0.106 R)
• M4: 1,915,002 km (0.112 R)
• M5: 2,750,207 km (0.032 R)
• M6: 3,332,741 km (0.082 R)
• M7: 3,959,108 km (0.086 R)
• M8: 4,703,955 km (0.081 R)
• M9: 5,470,345 km (0.081 R)
• M10: 6,216,988 km (0.039 R)
• M11: 6,680,891 km (0.088 R)
• M12: 7,707,432 km (0.102 R)
• M13: 8,489,530 km (0.067 R)
• M14: 10,496,385 km (0.069 R)
• M15: 13,725,455 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.8

Radius: 3.3

Gravity: 35.79 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 9.11 AU - 10.65 AU

Year: 20052 Days

Day: 24 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,436,283 km

• M1: 42,785 km (0.083 R)
• M2: 147,354 km (0.051 R)
• M3: 324,627 km (0.105 R)
• M4: 839,543 km (0.108 R)
• M5: 1,087,726 km (0.059 R)
• M6: 1,939,686 km (0.109 R)
• M7: 2,109,330 km (0.047 R)
• M8: 3,135,721 km (0.065 R)
• M9: 3,504,629 km (0.111 R)
• M10: 8,267,078 km (0.117 R)
• M11: 9,122,628 km (0.119 R)
• M12: 11,066,652 km (0.096 R)
• M13: 25,826,876 km (0.107 R)
• M14: 26,351,665 km (0.083 R)
• M15: 33,585,769 km (0.094 R)
• M16: 42,763,150 km (0.085 R)
• M17: 43,645,029 km (0.077 R)
• M18: 44,388,979 km (0.113 R)
• M19: 49,997,703 km (0.1 R)
• M20: 50,160,016 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.1

Radius: 7.5

Gravity: 16.32 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.99 AU - 11.51 AU

Year: 22758 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,436,283 km

• M1: 93,349 km (0.116 R)
• M2: 407,804 km (0.077 R)
• M3: 690,544 km (0.087 R)
• M4: 1,219,223 km (0.077 R)
• M5: 1,555,070 km (0.049 R)
• M6: 2,013,737 km (0.081 R)
• M7: 2,486,317 km (0.11 R)
• M8: 3,405,745 km (0.112 R)
• M9: 4,795,509 km (0.103 R)
• M10: 5,065,982 km (0.097 R)
• M11: 5,765,652 km (0.108 R)
• M12: 6,027,298 km (0.072 R)
• M13: 7,663,899 km (0.119 R)
• M14: 9,396,392 km (0.108 R)
• M15: 11,038,228 km (0.035 R)
• M16: 14,002,361 km (0.08 R)
• M17: 22,501,016 km (0.062 R)
• M18: 25,997,567 km (0.095 R)
• M19: 27,198,538 km (0.091 R)
• M20: 27,565,801 km (0.087 R)
• M21: 28,060,821 km (0.032 R)
• M22: 33,762,444 km (0.114 R)
• M23: 34,758,317 km (0.104 R)
• M24: 59,622,830 km (0.039 R)
• M25: 60,658,645 km (0.099 R)
• M26: 62,341,023 km (0.057 R)
• M27: 79,152,832 km (0.085 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 17,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit