🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.7

Radius: 13.7

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.72 AU - 0.92 AU

Year: 513 Days

Day: 8.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,903,624 km

• M1: 171,439 km (0.071 R)
• M2: 602,879 km (0.101 R)
• M3: 1,214,884 km (0.111 R)
• M4: 1,869,375 km (0.06 R)
• M5: 2,336,868 km (0.093 R)
• M6: 3,463,490 km (0.108 R)
• M7: 4,427,947 km (0.059 R)
• M8: 5,039,055 km (0.107 R)
• M9: 6,051,832 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.1

Radius: 14

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.82 AU - 1.94 AU

Year: 1779 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,903,624 km

• M1: 174,431 km (0.088 R)
• M2: 666,758 km (0.076 R)
• M3: 1,740,272 km (0.047 R)
• M4: 2,416,604 km (0.11 R)
• M5: 2,860,311 km (0.109 R)
• M6: 3,359,071 km (0.118 R)
• M7: 4,023,734 km (0.099 R)
• M8: 4,734,324 km (0.033 R)
• M9: 5,504,753 km (0.104 R)
• M10: 6,407,277 km (0.086 R)
• M11: 7,053,240 km (0.114 R)
• M12: 7,828,307 km (0.072 R)
• M13: 9,914,150 km (0.087 R)
• M14: 10,744,568 km (0.118 R)
• M15: 11,847,403 km (0.117 R)
• M16: 13,725,006 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.1

Radius: 8.9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.32 AU - 2.7 AU

Year: 2745 Days

Day: 8.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,903,624 km

• M1: 116,387 km (0.058 R)
• M2: 753,375 km (0.091 R)
• M3: 1,469,201 km (0.102 R)
• M4: 2,321,310 km (0.119 R)
• M5: 2,660,598 km (0.099 R)
• M6: 3,047,159 km (0.091 R)
• M7: 4,162,710 km (0.092 R)
• M8: 5,464,960 km (0.102 R)
• M9: 6,046,148 km (0.104 R)
• M10: 7,148,833 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 9.3

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.5 AU - 3.18 AU

Year: 3304 Days

Day: 12.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,903,624 km

• M1: 115,789 km (0.089 R)
• M2: 556,504 km (0.111 R)
• M3: 854,802 km (0.061 R)
• M4: 1,370,915 km (0.094 R)
• M5: 1,913,955 km (0.095 R)
• M6: 2,381,000 km (0.099 R)
• M7: 2,722,532 km (0.062 R)
• M8: 3,186,584 km (0.07 R)
• M9: 3,722,893 km (0.067 R)
• M10: 4,098,682 km (0.065 R)
• M11: 5,175,488 km (0.081 R)
• M12: 5,671,554 km (0.118 R)
• M13: 6,460,085 km (0.079 R)
• M14: 7,448,777 km (0.075 R)
• M15: 8,047,617 km (0.059 R)
• M16: 9,685,265 km (0.074 R)
• M17: 10,603,048 km (0.074 R)
• M18: 11,797,288 km (0.12 R)
• M19: 13,753,430 km (0.097 R)
• M20: 14,199,231 km (0.068 R)
• M21: 16,188,434 km (0.073 R)
• M22: 18,178,684 km (0.111 R)
• M23: 19,202,083 km (0.101 R)
• M24: 20,199,901 km (0.034 R)
• M25: 21,100,929 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.3

Radius: 13.7

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.65 AU - 4.29 AU

Year: 4462 Days

Day: 11 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,903,624 km

• M1: 170,990 km (0.096 R)
• M2: 669,002 km (0.085 R)
• M3: 1,260,362 km (0.099 R)
• M4: 1,865,037 km (0.111 R)
• M5: 3,555,792 km (0.071 R)
• M6: 4,033,009 km (0.1 R)
• M7: 4,463,402 km (0.048 R)
• M8: 5,093,658 km (0.06 R)
• M9: 6,620,304 km (0.1 R)
• M10: 7,960,701 km (0.077 R)
• M11: 9,776,520 km (0.118 R)
• M12: 11,007,411 km (0.064 R)
• M13: 11,681,799 km (0.115 R)
• M14: 12,790,768 km (0.06 R)
• M15: 13,679,678 km (0.107 R)
• M16: 15,737,995 km (0.114 R)
• M17: 20,650,041 km (0.118 R)
• M18: 21,223,600 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.6

Radius: 12.9

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.76 AU - 5.72 AU

Year: 8280 Days

Day: 11.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,903,624 km

• M1: 160,519 km (0.098 R)
• M2: 587,321 km (0.102 R)
• M3: 1,071,420 km (0.053 R)
• M4: 1,498,372 km (0.079 R)
• M5: 2,554,832 km (0.116 R)
• M6: 3,359,968 km (0.097 R)
• M7: 8,517,654 km (0.077 R)
• M8: 8,923,363 km (0.087 R)
• M9: 9,994,335 km (0.094 R)
• M10: 11,006,065 km (0.095 R)
• M11: 12,237,555 km (0.082 R)
• M12: 12,966,096 km (0.098 R)
• M13: 13,889,414 km (0.068 R)
• M14: 14,798,221 km (0.032 R)
• M15: 15,928,284 km (0.086 R)
• M16: 16,483,292 km (0.101 R)
• M17: 20,956,119 km (0.104 R)
• M18: 23,708,570 km (0.115 R)
• M19: 28,546,266 km (0.116 R)
• M20: 29,365,912 km (0.094 R)
• M21: 30,014,270 km (0.047 R)
• M22: 33,199,956 km (0.11 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: 284 - 20,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit