🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 11.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.53 AU - 0.53 AU

Year: 257 Days

Day: 7.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,571,133 km

• M1: 148,102 km (0.086 R)
• M2: 709,543 km (0.115 R)
• M3: 1,268,440 km (0.04 R)
• M4: 1,639,443 km (0.087 R)
• M5: 2,233,047 km (0.077 R)
• M6: 3,203,938 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.2

Radius: 11.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.71 AU - 0.95 AU

Year: 504 Days

Day: 10.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 137.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,571,133 km

• M1: 145,858 km (0.111 R)
• M2: 598,391 km (0.106 R)
• M3: 967,300 km (0.113 R)
• M4: 1,456,186 km (0.098 R)
• M5: 1,897,948 km (0.118 R)
• M6: 2,400,747 km (0.066 R)
• M7: 3,047,458 km (0.112 R)
• M8: 4,092,250 km (0.041 R)
• M9: 5,163,520 km (0.094 R)
• M10: 5,915,848 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.8

Radius: 12.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.74 AU - 0.96 AU

Year: 523 Days

Day: 8.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,571,133 km

• M1: 165,904 km (0.078 R)
• M2: 679,623 km (0.077 R)
• M3: 1,551,779 km (0.067 R)
• M4: 2,307,697 km (0.112 R)
• M5: 2,760,530 km (0.084 R)
• M6: 3,320,624 km (0.087 R)
• M7: 3,757,001 km (0.118 R)
• M8: 4,203,551 km (0.064 R)
• M9: 4,932,541 km (0.094 R)
• M10: 5,571,623 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934

Radius: 8.9

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.42 AU - 1.62 AU

Year: 1250 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,571,133 km

• M1: 110,702 km (0.098 R)
• M2: 387,608 km (0.104 R)
• M3: 710,141 km (0.036 R)
• M4: 1,100,741 km (0.101 R)
• M5: 1,504,955 km (0.115 R)
• M6: 1,878,949 km (0.062 R)
• M7: 2,185,326 km (0.105 R)
• M8: 2,816,479 km (0.094 R)
• M9: 3,265,871 km (0.068 R)
• M10: 3,745,631 km (0.118 R)
• M11: 4,826,177 km (0.037 R)
• M12: 5,449,551 km (0.1 R)
• M13: 6,102,097 km (0.094 R)
• M14: 7,616,776 km (0.117 R)
• M15: 7,919,562 km (0.111 R)
• M16: 8,997,564 km (0.106 R)
• M17: 9,779,362 km (0.049 R)
• M18: 10,605,891 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.7

Radius: 13.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.48 AU - 3.54 AU

Year: 4385 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,571,133 km

• M1: 165,455 km (0.109 R)
• M2: 624,571 km (0.046 R)
• M3: 1,570,329 km (0.088 R)
• M4: 2,791,197 km (0.082 R)
• M5: 3,474,411 km (0.117 R)
• M6: 3,891,041 km (0.115 R)
• M7: 4,726,395 km (0.115 R)
• M8: 6,212,201 km (0.117 R)
• M9: 9,027,334 km (0.12 R)
• M10: 9,789,236 km (0.097 R)
• M11: 11,225,375 km (0.082 R)
• M12: 12,487,533 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.2

Radius: 13.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.14 AU - 4.36 AU

Year: 4843 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,571,133 km

• M1: 170,691 km (0.043 R)
• M2: 1,031,777 km (0.062 R)
• M3: 1,871,320 km (0.117 R)
• M4: 2,485,120 km (0.075 R)
• M5: 3,422,201 km (0.102 R)
• M6: 4,962,610 km (0.099 R)
• M7: 7,734,210 km (0.073 R)
• M8: 8,177,917 km (0.119 R)
• M9: 10,313,726 km (0.106 R)
• M10: 12,581,630 km (0.073 R)
• M11: 13,063,484 km (0.053 R)
• M12: 13,603,084 km (0.073 R)
• M13: 17,862,883 km (0.115 R)
• M14: 18,304,795 km (0.114 R)
• M15: 19,383,546 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.6

Radius: 5.4

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.03 AU - 7.81 AU

Year: 12139 Days

Day: 22.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,571,133 km

• M1: 80,035 km (0.12 R)
• M2: 2,392,369 km (0.111 R)
• M3: 3,075,134 km (0.092 R)
• M4: 3,398,714 km (0.071 R)
• M5: 6,300,165 km (0.1 R)
• M6: 7,162,596 km (0.117 R)
• M7: 8,026,225 km (0.054 R)
• M8: 11,170,473 km (0.073 R)
• M9: 14,101,993 km (0.105 R)
• M10: 15,802,621 km (0.109 R)
• M11: 16,398,619 km (0.044 R)
• M12: 17,071,361 km (0.036 R)
• M13: 18,018,166 km (0.111 R)
• M14: 24,841,474 km (0.093 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 13,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit