🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.4

Radius: 14.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.56 AU - 0.58 AU

Year: 302 Days

Day: 12.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,464,163 km

• M1: 176,525 km (0.077 R)
• M2: 622,178 km (0.104 R)
• M3: 1,148,912 km (0.1 R)
• M4: 1,665,922 km (0.106 R)
• M5: 2,324,751 km (0.113 R)
• M6: 2,766,813 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.2

Radius: 11.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.14 AU - 1.72 AU

Year: 1202 Days

Day: 12.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,464,163 km

• M1: 152,889 km (0.103 R)
• M2: 566,228 km (0.09 R)
• M3: 1,071,420 km (0.112 R)
• M4: 1,692,102 km (0.077 R)
• M5: 2,254,290 km (0.086 R)
• M6: 2,770,104 km (0.06 R)
• M7: 4,387,257 km (0.058 R)
• M8: 4,805,682 km (0.105 R)
• M9: 5,269,286 km (0.066 R)
• M10: 5,762,660 km (0.106 R)
• M11: 6,952,711 km (0.073 R)
• M12: 8,150,541 km (0.114 R)
• M13: 8,681,912 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386

Radius: 8.9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.23 AU - 4.71 AU

Year: 5560 Days

Day: 8.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,464,163 km

• M1: 112,348 km (0.104 R)
• M2: 623,823 km (0.054 R)
• M3: 920,326 km (0.101 R)
• M4: 1,753,736 km (0.063 R)
• M5: 2,071,781 km (0.111 R)
• M6: 2,878,562 km (0.105 R)
• M7: 3,228,023 km (0.098 R)
• M8: 5,258,814 km (0.069 R)
• M9: 6,251,695 km (0.096 R)
• M10: 6,650,822 km (0.114 R)
• M11: 6,969,316 km (0.084 R)
• M12: 7,264,622 km (0.05 R)
• M13: 8,309,863 km (0.065 R)
• M14: 11,134,420 km (0.107 R)
• M15: 14,226,608 km (0.111 R)
• M16: 17,186,551 km (0.102 R)
• M17: 20,467,083 km (0.101 R)
• M18: 21,832,912 km (0.086 R)
• M19: 23,845,601 km (0.113 R)
• M20: 26,690,953 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891

Radius: 13.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.42 AU - 4.78 AU

Year: 5836 Days

Day: 10.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 56.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,464,163 km

• M1: 164,109 km (0.116 R)
• M2: 767,287 km (0.061 R)
• M3: 1,247,796 km (0.108 R)
• M4: 1,750,594 km (0.034 R)
• M5: 2,839,816 km (0.092 R)
• M6: 3,262,730 km (0.052 R)
• M7: 3,845,114 km (0.062 R)
• M8: 4,904,566 km (0.089 R)
• M9: 6,586,345 km (0.092 R)
• M10: 7,371,884 km (0.114 R)
• M11: 8,875,193 km (0.049 R)
• M12: 13,183,013 km (0.078 R)
• M13: 14,784,758 km (0.076 R)
• M14: 22,581,499 km (0.025 R)
• M15: 24,783,730 km (0.047 R)
• M16: 26,504,704 km (0.074 R)
• M17: 30,666,367 km (0.031 R)
• M18: 31,746,314 km (0.04 R)
• M19: 33,567,967 km (0.115 R)
• M20: 34,609,467 km (0.089 R)
• M21: 36,320,717 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 9.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.7 AU - 4.92 AU

Year: 6290 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,464,163 km

• M1: 123,119 km (0.112 R)
• M2: 509,830 km (0.06 R)
• M3: 1,021,155 km (0.118 R)
• M4: 1,725,312 km (0.103 R)
• M5: 3,646,897 km (0.087 R)
• M6: 4,309,915 km (0.101 R)
• M7: 4,717,120 km (0.117 R)
• M8: 6,012,039 km (0.117 R)
• M9: 7,954,568 km (0.053 R)
• M10: 8,995,918 km (0.115 R)
• M11: 11,095,674 km (0.051 R)
• M12: 15,865,004 km (0.078 R)
• M13: 17,966,255 km (0.108 R)
• M14: 18,607,731 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.1

Radius: 6.5

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.44 AU - 8.82 AU

Year: 14815 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,464,163 km

• M1: 84,822 km (0.093 R)
• M2: 299,495 km (0.098 R)
• M3: 756,068 km (0.091 R)
• M4: 1,040,902 km (0.089 R)
• M5: 1,396,347 km (0.09 R)
• M6: 2,216,292 km (0.089 R)
• M7: 3,787,070 km (0.117 R)
• M8: 5,175,937 km (0.056 R)
• M9: 5,379,240 km (0.039 R)
• M10: 6,284,756 km (0.084 R)
• M11: 7,500,688 km (0.069 R)
• M12: 9,059,797 km (0.118 R)
• M13: 10,176,694 km (0.107 R)
• M14: 11,554,042 km (0.115 R)
• M15: 14,876,910 km (0.109 R)
• M16: 15,709,123 km (0.079 R)
• M17: 16,064,717 km (0.116 R)
• M18: 18,313,023 km (0.079 R)
• M19: 22,782,559 km (0.112 R)
• M20: 27,310,737 km (0.088 R)
• M21: 30,274,869 km (0.068 R)
• M22: 37,714,371 km (0.115 R)
• M23: 38,609,415 km (0.08 R)
• M24: 42,194,379 km (0.119 R)
• M25: 44,278,875 km (0.102 R)
• M26: 52,193,201 km (0.089 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: 470 - 19,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit