🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 12.2

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.04 AU - 1.16 AU

Year: 796 Days

Day: 8.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,559,009 km

• M1: 152,141 km (0.108 R)
• M2: 583,132 km (0.106 R)
• M3: 1,618,200 km (0.118 R)
• M4: 2,219,584 km (0.087 R)
• M5: 2,977,147 km (0.101 R)
• M6: 3,368,794 km (0.116 R)
• M7: 3,900,465 km (0.115 R)
• M8: 4,561,389 km (0.04 R)
• M9: 5,312,220 km (0.051 R)
• M10: 5,839,852 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.5

Radius: 8.6

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.35 AU - 1.83 AU

Year: 1384 Days

Day: 9.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,559,009 km

• M1: 107,561 km (0.078 R)
• M2: 378,034 km (0.111 R)
• M3: 891,155 km (0.079 R)
• M4: 1,650,663 km (0.077 R)
• M5: 2,097,512 km (0.117 R)
• M6: 2,503,520 km (0.107 R)
• M7: 2,802,716 km (0.072 R)
• M8: 3,110,738 km (0.059 R)
• M9: 3,490,418 km (0.089 R)
• M10: 3,812,651 km (0.105 R)
• M11: 4,136,381 km (0.096 R)
• M12: 4,517,407 km (0.081 R)
• M13: 4,984,451 km (0.113 R)
• M14: 6,405,332 km (0.115 R)
• M15: 7,290,203 km (0.1 R)
• M16: 8,078,285 km (0.112 R)
• M17: 13,051,517 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.6

Radius: 14.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.66 AU - 2.52 AU

Year: 2086 Days

Day: 12.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,559,009 km

• M1: 181,612 km (0.096 R)
• M2: 879,785 km (0.089 R)
• M3: 1,364,632 km (0.029 R)
• M4: 1,962,574 km (0.097 R)
• M5: 2,704,430 km (0.108 R)
• M6: 3,225,330 km (0.094 R)
• M7: 3,832,548 km (0.069 R)
• M8: 4,864,324 km (0.117 R)
• M9: 6,048,242 km (0.052 R)
• M10: 7,092,585 km (0.096 R)
• M11: 7,999,447 km (0.108 R)
• M12: 10,118,351 km (0.049 R)
• M13: 11,548,656 km (0.086 R)
• M14: 12,207,485 km (0.057 R)
• M15: 13,242,703 km (0.119 R)
• M16: 13,918,885 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 11.2

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.08 AU - 2.3 AU

Year: 2237 Days

Day: 5.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,559,009 km

• M1: 140,472 km (0.101 R)
• M2: 809,923 km (0.087 R)
• M3: 1,214,136 km (0.099 R)
• M4: 2,178,145 km (0.077 R)
• M5: 2,956,503 km (0.087 R)
• M6: 3,465,883 km (0.111 R)
• M7: 4,247,682 km (0.059 R)
• M8: 4,878,237 km (0.114 R)
• M9: 5,226,800 km (0.116 R)
• M10: 5,882,936 km (0.09 R)
• M11: 6,422,536 km (0.116 R)
• M12: 7,046,359 km (0.1 R)
• M13: 7,601,068 km (0.104 R)
• M14: 8,768,230 km (0.119 R)
• M15: 9,285,839 km (0.114 R)
• M16: 11,817,035 km (0.093 R)
• M17: 12,223,492 km (0.091 R)
• M18: 12,831,458 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 13.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.84 AU - 5.28 AU

Year: 7857 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,559,009 km

• M1: 167,849 km (0.116 R)
• M2: 621,729 km (0.077 R)
• M3: 1,336,507 km (0.119 R)
• M4: 1,790,088 km (0.106 R)
• M5: 2,215,993 km (0.11 R)
• M6: 3,147,988 km (0.119 R)
• M7: 4,123,217 km (0.061 R)
• M8: 4,633,495 km (0.101 R)
• M9: 5,726,008 km (0.096 R)
• M10: 7,508,467 km (0.118 R)
• M11: 8,637,781 km (0.112 R)
• M12: 9,796,566 km (0.032 R)
• M13: 10,413,657 km (0.062 R)
• M14: 12,900,872 km (0.051 R)
• M15: 14,996,439 km (0.075 R)
• M16: 16,725,192 km (0.072 R)
• M17: 18,336,061 km (0.098 R)
• M18: 25,977,820 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.9

Radius: 3.5

Gravity: 23.58 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.93 AU - 10.11 AU

Year: 18699 Days

Day: 19.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,559,009 km

• M1: 43,832 km (0.047 R)
• M2: 383,120 km (0.111 R)
• M3: 520,152 km (0.109 R)
• M4: 4,198,913 km (0.099 R)
• M5: 5,111,310 km (0.11 R)
• M6: 5,384,476 km (0.095 R)
• M7: 5,595,858 km (0.116 R)
• M8: 7,106,198 km (0.078 R)
• M9: 8,438,367 km (0.067 R)
• M10: 8,917,080 km (0.113 R)
• M11: 12,175,621 km (0.102 R)
• M12: 16,661,014 km (0.087 R)
• M13: 19,803,617 km (0.101 R)
• M14: 28,270,706 km (0.029 R)
• M15: 29,882,175 km (0.119 R)
• M16: 34,960,873 km (0.036 R)
• M17: 37,448,237 km (0.072 R)
• M18: 38,604,927 km (0.064 R)
• M19: 39,785,255 km (0.071 R)
• M20: 41,124,754 km (0.102 R)
• M21: 46,636,239 km (0.054 R)
• M22: 53,261,031 km (0.045 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 15,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit