🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.5

Radius: 14.5

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.18 AU - 1.34 AU

Year: 943 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,873,549 km

• M1: 180,714 km (0.096 R)
• M2: 936,632 km (0.12 R)
• M3: 1,687,614 km (0.104 R)
• M4: 2,253,692 km (0.115 R)
• M5: 2,737,791 km (0.099 R)
• M6: 3,652,432 km (0.077 R)
• M7: 4,355,542 km (0.068 R)
• M8: 4,868,364 km (0.101 R)
• M9: 5,388,665 km (0.109 R)
• M10: 5,998,875 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262

Radius: 8.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.06 AU - 1.6 AU

Year: 1023 Days

Day: 5.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,873,549 km

• M1: 102,026 km (0.094 R)
• M2: 402,269 km (0.045 R)
• M3: 851,960 km (0.111 R)
• M4: 1,226,104 km (0.053 R)
• M5: 1,643,931 km (0.105 R)
• M6: 1,979,329 km (0.072 R)
• M7: 2,270,297 km (0.091 R)
• M8: 2,666,133 km (0.115 R)
• M9: 3,516,298 km (0.107 R)
• M10: 5,218,423 km (0.112 R)
• M11: 5,815,767 km (0.072 R)
• M12: 6,199,635 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 13.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.47 AU - 2.23 AU

Year: 1678 Days

Day: 11.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,873,549 km

• M1: 162,912 km (0.079 R)
• M2: 646,412 km (0.063 R)
• M3: 1,599,201 km (0.118 R)
• M4: 2,037,822 km (0.102 R)
• M5: 2,533,739 km (0.085 R)
• M6: 3,497,299 km (0.102 R)
• M7: 4,064,275 km (0.118 R)
• M8: 4,673,737 km (0.049 R)
• M9: 5,087,524 km (0.057 R)
• M10: 5,629,069 km (0.041 R)
• M11: 6,388,278 km (0.089 R)
• M12: 7,068,051 km (0.094 R)
• M13: 7,795,695 km (0.057 R)
• M14: 8,994,572 km (0.081 R)
• M15: 9,489,292 km (0.066 R)
• M16: 10,002,413 km (0.073 R)
• M17: 10,565,649 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.1

Radius: 8.8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.11 AU - 3.51 AU

Year: 3141 Days

Day: 8.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,873,549 km

• M1: 109,655 km (0.113 R)
• M2: 533,167 km (0.057 R)
• M3: 1,049,579 km (0.107 R)
• M4: 1,332,917 km (0.049 R)
• M5: 1,894,059 km (0.096 R)
• M6: 2,223,623 km (0.104 R)
• M7: 3,321,821 km (0.062 R)
• M8: 3,683,848 km (0.113 R)
• M9: 4,333,402 km (0.101 R)
• M10: 4,931,195 km (0.089 R)
• M11: 5,293,820 km (0.073 R)
• M12: 6,144,733 km (0.114 R)
• M13: 6,692,261 km (0.074 R)
• M14: 7,463,438 km (0.069 R)
• M15: 9,024,043 km (0.118 R)
• M16: 11,514,249 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.5

Radius: 10.5

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.85 AU - 4.45 AU

Year: 4650 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,873,549 km

• M1: 130,898 km (0.119 R)
• M2: 474,973 km (0.12 R)
• M3: 1,088,474 km (0.064 R)
• M4: 1,490,144 km (0.077 R)
• M5: 2,077,166 km (0.06 R)
• M6: 5,091,414 km (0.083 R)
• M7: 7,224,380 km (0.033 R)
• M8: 7,977,306 km (0.111 R)
• M9: 9,430,500 km (0.106 R)
• M10: 9,894,702 km (0.114 R)
• M11: 10,960,587 km (0.12 R)
• M12: 11,379,461 km (0.093 R)
• M13: 11,760,786 km (0.117 R)
• M14: 13,319,596 km (0.08 R)
• M15: 16,117,226 km (0.077 R)
• M16: 16,904,260 km (0.052 R)
• M17: 21,589,516 km (0.094 R)
• M18: 24,385,201 km (0.071 R)
• M19: 26,488,547 km (0.08 R)
• M20: 30,319,000 km (0.095 R)
• M21: 30,684,468 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.5

Radius: 7.4

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.83 AU - 7.21 AU

Year: 9850 Days

Day: 24.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,873,549 km

• M1: 92,003 km (0.111 R)
• M2: 324,478 km (0.107 R)
• M3: 574,007 km (0.09 R)
• M4: 1,506,451 km (0.116 R)
• M5: 1,873,863 km (0.07 R)
• M6: 2,670,172 km (0.072 R)
• M7: 3,322,569 km (0.1 R)
• M8: 3,973,319 km (0.057 R)
• M9: 4,369,903 km (0.1 R)
• M10: 4,763,645 km (0.115 R)
• M11: 5,687,412 km (0.116 R)
• M12: 6,761,973 km (0.085 R)
• M13: 7,060,122 km (0.099 R)
• M14: 8,298,792 km (0.079 R)
• M15: 9,261,754 km (0.102 R)
• M16: 9,817,360 km (0.032 R)
• M17: 10,151,562 km (0.084 R)
• M18: 10,642,093 km (0.092 R)
• M19: 11,512,304 km (0.082 R)
• M20: 12,651,791 km (0.068 R)
• M21: 13,745,800 km (0.099 R)
• M22: 17,895,346 km (0.063 R)
• M23: 23,144,586 km (0.119 R)
• M24: 23,736,993 km (0.094 R)
• M25: 24,080,171 km (0.062 R)
• M26: 25,218,012 km (0.076 R)
• M27: 28,075,631 km (0.113 R)
• M28: 29,041,584 km (0.116 R)
• M29: 30,937,737 km (0.053 R)
• M30: 33,556,298 km (0.034 R)
• M31: 36,660,454 km (0.098 R)
• M32: 39,830,134 km (0.082 R)
• M33: 41,295,744 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.3

Radius: 7.8

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.65 AU - 8.77 AU

Year: 14276 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,873,549 km

• M1: 96,939 km (0.095 R)
• M2: 378,333 km (0.072 R)
• M3: 704,606 km (0.105 R)
• M4: 978,669 km (0.114 R)
• M5: 1,467,256 km (0.06 R)
• M6: 2,559,769 km (0.118 R)
• M7: 3,072,591 km (0.059 R)
• M8: 3,353,685 km (0.095 R)
• M9: 3,909,292 km (0.101 R)
• M10: 4,178,717 km (0.099 R)
• M11: 4,524,737 km (0.108 R)
• M12: 4,992,829 km (0.055 R)
• M13: 5,869,921 km (0.118 R)
• M14: 7,463,288 km (0.085 R)
• M15: 9,325,632 km (0.04 R)
• M16: 14,010,888 km (0.053 R)
• M17: 14,644,435 km (0.119 R)
• M18: 15,077,221 km (0.107 R)
• M19: 21,048,121 km (0.102 R)
• M20: 34,242,205 km (0.054 R)
• M21: 41,661,062 km (0.108 R)
• M22: 45,513,656 km (0.119 R)
• M23: 52,395,457 km (0.105 R)
• M24: 55,995,081 km (0.093 R)
• M25: 57,053,038 km (0.107 R)
• M26: 57,944,790 km (0.096 R)
• M27: 63,682,467 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 14,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit