🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.57 AU - 0.73 AU

Year: 333 Days

Day: 37.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.1

Radius: 11.6

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.93 AU - 1.07 AU

Year: 636 Days

Day: 5.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,582,562 km

• M1: 144,362 km (0.074 R)
• M2: 658,979 km (0.101 R)
• M3: 1,251,985 km (0.088 R)
• M4: 1,674,449 km (0.116 R)
• M5: 2,391,472 km (0.106 R)
• M6: 2,770,104 km (0.038 R)
• M7: 4,497,361 km (0.071 R)
• M8: 5,096,949 km (0.078 R)
• M9: 7,067,602 km (0.108 R)
• M10: 7,949,930 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.8

Radius: 11.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.61 AU - 1.79 AU

Year: 1409 Days

Day: 8.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,582,562 km

• M1: 145,559 km (0.115 R)
• M2: 516,861 km (0.119 R)
• M3: 1,041,800 km (0.051 R)
• M4: 1,479,972 km (0.115 R)
• M5: 2,041,861 km (0.044 R)
• M6: 2,527,456 km (0.076 R)
• M7: 3,612,789 km (0.076 R)
• M8: 4,096,438 km (0.106 R)
• M9: 4,570,065 km (0.103 R)
• M10: 5,117,893 km (0.064 R)
• M11: 5,487,250 km (0.058 R)
• M12: 6,193,202 km (0.114 R)
• M13: 6,958,545 km (0.114 R)
• M14: 8,145,305 km (0.118 R)
• M15: 8,623,569 km (0.1 R)
• M16: 9,148,658 km (0.119 R)
• M17: 9,842,493 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328

Radius: 12.1

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.4 AU - 3.44 AU

Year: 3173 Days

Day: 7.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,582,562 km

• M1: 166,203 km (0.075 R)
• M2: 806,482 km (0.097 R)
• M3: 1,208,152 km (0.087 R)
• M4: 1,736,831 km (0.076 R)
• M5: 3,885,805 km (0.107 R)
• M6: 4,352,101 km (0.077 R)
• M7: 8,872,351 km (0.097 R)
• M8: 9,825,439 km (0.113 R)
• M9: 13,485,051 km (0.106 R)
• M10: 14,015,376 km (0.077 R)
• M11: 14,467,909 km (0.119 R)
• M12: 15,787,362 km (0.06 R)
• M13: 16,277,445 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.6

Radius: 10.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.87 AU - 4.93 AU

Year: 6896 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,582,562 km

• M1: 130,599 km (0.075 R)
• M2: 777,311 km (0.033 R)
• M3: 1,347,428 km (0.04 R)
• M4: 1,705,117 km (0.101 R)
• M5: 2,208,364 km (0.107 R)
• M6: 2,792,543 km (0.054 R)
• M7: 3,439,405 km (0.117 R)
• M8: 4,424,207 km (0.099 R)
• M9: 5,535,121 km (0.105 R)
• M10: 6,044,801 km (0.058 R)
• M11: 6,822,860 km (0.076 R)
• M12: 7,505,026 km (0.118 R)
• M13: 8,542,786 km (0.115 R)
• M14: 9,673,597 km (0.057 R)
• M15: 10,215,739 km (0.103 R)
• M16: 10,696,547 km (0.089 R)
• M17: 11,703,490 km (0.107 R)
• M18: 13,049,721 km (0.091 R)
• M19: 13,472,934 km (0.089 R)
• M20: 17,421,869 km (0.084 R)
• M21: 18,225,060 km (0.076 R)
• M22: 20,029,210 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 9

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.23 AU - 6.87 AU

Year: 9462 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,582,562 km

• M1: 111,899 km (0.072 R)
• M2: 407,056 km (0.098 R)
• M3: 906,563 km (0.034 R)
• M4: 1,419,833 km (0.098 R)
• M5: 1,736,083 km (0.089 R)
• M6: 2,697,998 km (0.108 R)
• M7: 3,212,315 km (0.097 R)
• M8: 3,685,344 km (0.106 R)
• M9: 4,617,039 km (0.098 R)
• M10: 6,507,208 km (0.063 R)
• M11: 7,349,145 km (0.118 R)
• M12: 8,863,524 km (0.102 R)
• M13: 9,199,521 km (0.053 R)
• M14: 9,744,656 km (0.105 R)
• M15: 10,154,404 km (0.074 R)
• M16: 10,954,005 km (0.102 R)
• M17: 12,677,971 km (0.041 R)
• M18: 14,575,769 km (0.076 R)
• M19: 14,909,522 km (0.115 R)
• M20: 16,511,117 km (0.058 R)
• M21: 17,020,498 km (0.106 R)
• M22: 17,615,448 km (0.045 R)
• M23: 24,915,077 km (0.115 R)
• M24: 31,056,668 km (0.087 R)
• M25: 33,656,080 km (0.112 R)
• M26: 37,634,037 km (0.087 R)
• M27: 40,848,447 km (0.105 R)
• M28: 42,454,529 km (0.094 R)
• M29: 46,509,080 km (0.097 R)
• M30: 48,704,130 km (0.113 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 12,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit