🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.6

Radius: 14.8

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.56 AU - 0.66 AU

Year: 318 Days

Day: 7.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,057,347 km

• M1: 185,053 km (0.06 R)
• M2: 842,834 km (0.075 R)
• M3: 1,330,823 km (0.11 R)
• M4: 2,079,560 km (0.066 R)
• M5: 2,964,731 km (0.113 R)
• M6: 3,734,262 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 10

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.77 AU - 0.87 AU

Year: 495 Days

Day: 14.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,057,347 km

• M1: 124,465 km (0.094 R)
• M2: 452,384 km (0.058 R)
• M3: 958,922 km (0.107 R)
• M4: 1,315,115 km (0.098 R)
• M5: 2,085,993 km (0.035 R)
• M6: 2,459,987 km (0.06 R)
• M7: 2,896,364 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.4

Radius: 14.7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1 AU - 1.12 AU

Year: 728 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,057,347 km

• M1: 182,809 km (0.048 R)
• M2: 861,983 km (0.073 R)
• M3: 1,628,074 km (0.094 R)
• M4: 2,776,387 km (0.052 R)
• M5: 3,578,531 km (0.107 R)
• M6: 4,335,496 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740

Radius: 10.3

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.25 AU - 1.39 AU

Year: 1011 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,057,347 km

• M1: 128,056 km (0.055 R)
• M2: 592,108 km (0.108 R)
• M3: 996,322 km (0.063 R)
• M4: 1,707,360 km (0.102 R)
• M5: 2,828,896 km (0.11 R)
• M6: 3,715,114 km (0.12 R)
• M7: 6,007,850 km (0.097 R)
• M8: 7,218,546 km (0.089 R)
• M9: 7,639,514 km (0.093 R)
• M10: 8,076,639 km (0.109 R)
• M11: 8,639,726 km (0.084 R)
• M12: 9,001,304 km (0.066 R)
• M13: 9,606,726 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492

Radius: 4.9

Gravity: 20.49 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.4 AU - 7.44 AU

Year: 12139 Days

Day: 15 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,057,347 km

• M1: 66,721 km (0.099 R)
• M2: 264,489 km (0.062 R)
• M3: 1,944,772 km (0.087 R)
• M4: 2,243,669 km (0.071 R)
• M5: 3,206,780 km (0.064 R)
• M6: 3,701,351 km (0.103 R)
• M7: 4,216,865 km (0.081 R)
• M8: 6,269,796 km (0.116 R)
• M9: 6,881,352 km (0.092 R)
• M10: 7,324,312 km (0.077 R)
• M11: 7,615,878 km (0.032 R)
• M12: 7,915,223 km (0.051 R)
• M13: 9,778,315 km (0.094 R)
• M14: 11,409,381 km (0.091 R)
• M15: 12,730,779 km (0.098 R)
• M16: 14,023,454 km (0.097 R)
• M17: 14,215,089 km (0.078 R)
• M18: 17,083,628 km (0.118 R)
• M19: 18,044,046 km (0.105 R)
• M20: 18,729,803 km (0.064 R)
• M21: 18,962,278 km (0.084 R)
• M22: 19,670,923 km (0.092 R)
• M23: 23,661,297 km (0.085 R)
• M24: 28,566,312 km (0.092 R)
• M25: 30,022,497 km (0.111 R)
• M26: 36,947,084 km (0.101 R)
• M27: 43,630,967 km (0.07 R)
• M28: 43,902,936 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.9

Radius: 6.7

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.89 AU - 9.27 AU

Year: 18246 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,057,347 km

• M1: 83,326 km (0.108 R)
• M2: 513,420 km (0.111 R)
• M3: 750,981 km (0.042 R)
• M4: 977,472 km (0.117 R)
• M5: 1,340,547 km (0.101 R)
• M6: 2,566,052 km (0.104 R)
• M7: 2,988,666 km (0.101 R)
• M8: 3,479,048 km (0.051 R)
• M9: 4,701,562 km (0.115 R)
• M10: 8,000,195 km (0.115 R)
• M11: 13,236,569 km (0.114 R)
• M12: 17,171,891 km (0.107 R)
• M13: 28,617,923 km (0.094 R)
• M14: 33,614,043 km (0.05 R)
• M15: 34,762,955 km (0.117 R)

Asteroid Belt

Center: 9.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.6

Radius: 6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 10.23 AU - 10.97 AU

Year: 23014 Days

Day: 24.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,057,347 km

• M1: 74,649 km (0.06 R)
• M2: 473,028 km (0.114 R)
• M3: 2,468,066 km (0.101 R)
• M4: 3,014,098 km (0.088 R)
• M5: 4,065,621 km (0.114 R)
• M6: 5,050,424 km (0.088 R)
• M7: 5,644,627 km (0.099 R)
• M8: 6,185,274 km (0.091 R)
• M9: 9,770,686 km (0.076 R)
• M10: 10,086,337 km (0.093 R)
• M11: 10,549,043 km (0.103 R)
• M12: 11,818,381 km (0.063 R)
• M13: 12,861,677 km (0.056 R)
• M14: 14,773,987 km (0.03 R)
• M15: 23,190,363 km (0.091 R)
• M16: 23,430,019 km (0.094 R)
• M17: 26,263,103 km (0.059 R)
• M18: 30,162,820 km (0.109 R)
• M19: 33,608,508 km (0.115 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: 176 - 11,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit