🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.7

Radius: 13

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.18 AU - 1.28 AU

Year: 895 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,608,415 km

• M1: 162,014 km (0.072 R)
• M2: 635,941 km (0.088 R)
• M3: 1,072,018 km (0.119 R)
• M4: 3,306,263 km (0.07 R)
• M5: 3,837,036 km (0.107 R)
• M6: 4,376,037 km (0.078 R)
• M7: 7,012,101 km (0.037 R)
• M8: 8,436,871 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 11.9

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.76 AU - 4.66 AU

Year: 5667 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,608,415 km

• M1: 149,448 km (0.093 R)
• M2: 540,048 km (0.097 R)
• M3: 1,046,288 km (0.117 R)
• M4: 1,716,187 km (0.104 R)
• M5: 2,393,416 km (0.092 R)
• M6: 3,057,780 km (0.115 R)
• M7: 4,281,341 km (0.111 R)
• M8: 5,263,152 km (0.112 R)
• M9: 7,009,558 km (0.083 R)
• M10: 7,445,037 km (0.075 R)
• M11: 9,029,129 km (0.075 R)
• M12: 9,855,807 km (0.103 R)
• M13: 10,971,358 km (0.043 R)
• M14: 11,963,791 km (0.068 R)
• M15: 12,640,272 km (0.116 R)
• M16: 13,287,283 km (0.033 R)
• M17: 13,786,790 km (0.051 R)
• M18: 15,604,404 km (0.119 R)
• M19: 16,987,736 km (0.076 R)
• M20: 18,246,901 km (0.036 R)
• M21: 19,781,476 km (0.064 R)
• M22: 20,950,434 km (0.069 R)
• M23: 22,553,973 km (0.082 R)
• M24: 26,176,336 km (0.1 R)
• M25: 28,034,791 km (0.09 R)
• M26: 28,490,017 km (0.12 R)
• M27: 31,227,957 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78

Radius: 13.3

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.68 AU - 5.8 AU

Year: 7869 Days

Day: 7.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,608,415 km

• M1: 165,904 km (0.059 R)
• M2: 610,509 km (0.11 R)
• M3: 1,043,894 km (0.11 R)
• M4: 1,907,522 km (0.062 R)
• M5: 2,634,718 km (0.066 R)
• M6: 3,396,919 km (0.097 R)
• M7: 4,056,496 km (0.035 R)
• M8: 6,124,387 km (0.096 R)
• M9: 7,312,942 km (0.09 R)
• M10: 10,332,725 km (0.079 R)
• M11: 11,393,224 km (0.086 R)
• M12: 12,055,195 km (0.084 R)
• M13: 13,185,407 km (0.063 R)
• M14: 13,961,820 km (0.081 R)
• M15: 15,960,148 km (0.061 R)
• M16: 18,988,607 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209

Radius: 6.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.9 AU - 7.3 AU

Year: 12411 Days

Day: 19.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,608,415 km

• M1: 91,853 km (0.115 R)
• M2: 397,781 km (0.116 R)
• M3: 1,126,771 km (0.092 R)
• M4: 2,588,941 km (0.062 R)
• M5: 2,997,493 km (0.112 R)
• M6: 3,358,771 km (0.055 R)
• M7: 3,820,730 km (0.119 R)
• M8: 4,042,134 km (0.084 R)
• M9: 6,577,370 km (0.115 R)
• M10: 7,488,271 km (0.108 R)
• M11: 8,275,605 km (0.066 R)
• M12: 10,293,829 km (0.091 R)
• M13: 10,675,454 km (0.12 R)
• M14: 13,503,452 km (0.081 R)
• M15: 14,135,204 km (0.091 R)
• M16: 15,832,092 km (0.115 R)
• M17: 18,554,923 km (0.098 R)
• M18: 27,826,850 km (0.118 R)
• M19: 30,184,811 km (0.114 R)
• M20: 32,265,867 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.7

Radius: 6.8

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.2 AU - 11.02 AU

Year: 21088 Days

Day: 21.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,608,415 km

• M1: 84,822 km (0.111 R)
• M2: 504,444 km (0.117 R)
• M3: 784,790 km (0.093 R)
• M4: 996,771 km (0.104 R)
• M5: 1,234,182 km (0.093 R)
• M6: 1,605,036 km (0.092 R)
• M7: 1,825,842 km (0.115 R)
• M8: 2,329,987 km (0.118 R)
• M9: 2,754,097 km (0.105 R)
• M10: 3,416,666 km (0.092 R)
• M11: 3,964,643 km (0.12 R)
• M12: 4,404,610 km (0.082 R)
• M13: 5,125,223 km (0.063 R)
• M14: 5,570,726 km (0.1 R)
• M15: 6,041,959 km (0.097 R)
• M16: 7,198,949 km (0.05 R)
• M17: 10,934,707 km (0.078 R)
• M18: 11,361,360 km (0.063 R)
• M19: 13,316,604 km (0.06 R)
• M20: 19,340,611 km (0.113 R)
• M21: 27,515,686 km (0.101 R)
• M22: 28,993,115 km (0.102 R)
• M23: 32,602,762 km (0.096 R)
• M24: 33,613,594 km (0.076 R)
• M25: 38,983,111 km (0.117 R)
• M26: 40,121,551 km (0.118 R)
• M27: 48,554,831 km (0.098 R)
• M28: 55,380,234 km (0.05 R)
• M29: 56,636,856 km (0.086 R)
• M30: 57,546,112 km (0.113 R)
• M31: 60,520,866 km (0.038 R)
• M32: 64,381,388 km (0.082 R)
• M33: 68,198,079 km (0.093 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 15,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit