🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 8.2

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.28 AU - 2.5 AU

Year: 2550 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,260,324 km

• M1: 102,026 km (0.117 R)
• M2: 419,772 km (0.083 R)
• M3: 1,732,343 km (0.112 R)
• M4: 2,265,211 km (0.118 R)
• M5: 2,733,452 km (0.055 R)
• M6: 3,230,716 km (0.094 R)
• M7: 3,582,570 km (0.114 R)
• M8: 4,301,238 km (0.118 R)
• M9: 5,020,355 km (0.089 R)
• M10: 5,567,285 km (0.096 R)
• M11: 5,867,976 km (0.099 R)
• M12: 6,126,930 km (0.079 R)
• M13: 6,640,051 km (0.078 R)
• M14: 7,007,314 km (0.085 R)
• M15: 7,328,650 km (0.109 R)
• M16: 8,032,508 km (0.107 R)
• M17: 8,515,260 km (0.116 R)
• M18: 8,814,157 km (0.114 R)
• M19: 10,415,004 km (0.088 R)
• M20: 11,106,595 km (0.064 R)
• M21: 11,423,593 km (0.115 R)
• M22: 11,992,962 km (0.094 R)
• M23: 13,543,993 km (0.089 R)
• M24: 14,274,629 km (0.093 R)
• M25: 15,419,352 km (0.053 R)
• M26: 16,064,418 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.5

Radius: 13.6

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.22 AU - 3.04 AU

Year: 2944 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,260,324 km

• M1: 182,809 km (0.049 R)
• M2: 674,986 km (0.06 R)
• M3: 1,143,377 km (0.108 R)
• M4: 1,574,817 km (0.12 R)
• M5: 2,321,310 km (0.115 R)
• M6: 3,328,104 km (0.065 R)
• M7: 4,018,498 km (0.106 R)
• M8: 4,846,672 km (0.054 R)
• M9: 5,886,227 km (0.05 R)
• M10: 6,486,115 km (0.107 R)
• M11: 6,927,279 km (0.116 R)
• M12: 7,839,676 km (0.119 R)
• M13: 8,830,762 km (0.119 R)
• M14: 10,341,551 km (0.108 R)
• M15: 11,061,566 km (0.059 R)
• M16: 11,653,375 km (0.078 R)
• M17: 12,943,806 km (0.111 R)
• M18: 14,235,135 km (0.098 R)
• M19: 15,367,441 km (0.069 R)
• M20: 16,055,143 km (0.082 R)
• M21: 17,021,395 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.6

Radius: 12.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.26 AU - 5.1 AU

Year: 5899 Days

Day: 7 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,260,324 km

• M1: 160,668 km (0.09 R)
• M2: 1,192,145 km (0.083 R)
• M3: 1,894,807 km (0.113 R)
• M4: 2,321,161 km (0.078 R)
• M5: 3,092,188 km (0.106 R)
• M6: 5,644,178 km (0.098 R)
• M7: 9,473,734 km (0.078 R)
• M8: 11,687,932 km (0.083 R)
• M9: 13,189,745 km (0.094 R)
• M10: 16,627,205 km (0.093 R)
• M11: 17,336,000 km (0.113 R)
• M12: 18,813,877 km (0.079 R)
• M13: 21,249,330 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.3

Radius: 13.3

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.78 AU - 5.02 AU

Year: 6371 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,260,324 km

• M1: 165,455 km (0.055 R)
• M2: 647,908 km (0.067 R)
• M3: 1,114,654 km (0.081 R)
• M4: 1,608,476 km (0.046 R)
• M5: 2,613,325 km (0.109 R)
• M6: 3,095,479 km (0.094 R)
• M7: 3,748,324 km (0.052 R)
• M8: 4,340,433 km (0.118 R)
• M9: 5,593,764 km (0.087 R)
• M10: 6,177,046 km (0.093 R)
• M11: 6,699,591 km (0.079 R)
• M12: 13,513,026 km (0.119 R)
• M13: 14,005,353 km (0.078 R)
• M14: 16,217,307 km (0.053 R)
• M15: 18,653,358 km (0.05 R)
• M16: 19,127,434 km (0.102 R)
• M17: 19,679,001 km (0.092 R)
• M18: 20,886,406 km (0.109 R)
• M19: 21,397,731 km (0.12 R)
• M20: 23,527,108 km (0.107 R)
• M21: 24,481,542 km (0.079 R)
• M22: 26,638,145 km (0.078 R)
• M23: 27,587,643 km (0.057 R)
• M24: 30,013,821 km (0.099 R)
• M25: 30,665,320 km (0.041 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.6

Radius: 4.2

Gravity: 26.17 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.59 AU - 6.87 AU

Year: 10734 Days

Day: 19.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,260,324 km

• M1: 52,808 km (0.116 R)
• M2: 229,034 km (0.114 R)
• M3: 393,742 km (0.116 R)
• M4: 834,607 km (0.043 R)
• M5: 1,453,942 km (0.06 R)
• M6: 1,604,886 km (0.045 R)
• M7: 2,932,268 km (0.07 R)
• M8: 3,599,774 km (0.118 R)
• M9: 3,826,115 km (0.117 R)
• M10: 4,363,171 km (0.097 R)
• M11: 4,562,585 km (0.064 R)
• M12: 5,889,070 km (0.096 R)
• M13: 6,346,989 km (0.12 R)
• M14: 8,158,320 km (0.027 R)
• M15: 13,050,769 km (0.043 R)
• M16: 13,766,146 km (0.11 R)
• M17: 14,071,774 km (0.118 R)
• M18: 14,257,275 km (0.072 R)
• M19: 14,951,709 km (0.055 R)
• M20: 16,407,595 km (0.055 R)
• M21: 17,029,474 km (0.056 R)
• M22: 17,738,717 km (0.086 R)
• M23: 20,773,310 km (0.058 R)
• M24: 20,933,529 km (0.069 R)
• M25: 24,760,093 km (0.025 R)
• M26: 25,761,651 km (0.056 R)
• M27: 29,631,299 km (0.085 R)
• M28: 32,667,238 km (0.041 R)
• M29: 33,429,888 km (0.081 R)
• M30: 35,789,196 km (0.098 R)
• M31: 39,470,949 km (0.079 R)
• M32: 39,840,157 km (0.079 R)
• M33: 43,922,384 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.2

Radius: 6.1

Gravity: 23.74 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.49 AU - 11.39 AU

Year: 21632 Days

Day: 24.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,260,324 km

• M1: 78,688 km (0.093 R)
• M2: 673,789 km (0.06 R)
• M3: 1,068,877 km (0.109 R)
• M4: 1,791,883 km (0.052 R)
• M5: 2,051,884 km (0.115 R)
• M6: 2,406,431 km (0.075 R)
• M7: 3,180,600 km (0.078 R)
• M8: 4,211,778 km (0.108 R)
• M9: 5,782,107 km (0.118 R)
• M10: 12,264,033 km (0.08 R)
• M11: 12,909,249 km (0.094 R)
• M12: 13,576,755 km (0.102 R)
• M13: 13,957,332 km (0.105 R)
• M14: 20,554,149 km (0.031 R)
• M15: 28,221,489 km (0.073 R)
• M16: 30,237,170 km (0.108 R)
• M17: 30,625,526 km (0.105 R)
• M18: 31,677,349 km (0.077 R)
• M19: 32,212,162 km (0.078 R)
• M20: 33,299,888 km (0.089 R)
• M21: 34,552,620 km (0.1 R)
• M22: 39,878,454 km (0.109 R)
• M23: 43,882,591 km (0.082 R)
• M24: 64,698,536 km (0.086 R)
• M25: 67,083,724 km (0.097 R)
• M26: 78,910,782 km (0.106 R)
• M27: 85,959,086 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 14,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit