🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.7

Radius: 13.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.53 AU - 0.59 AU

Year: 284 Days

Day: 5.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,042,239 km

• M1: 162,912 km (0.093 R)
• M2: 659,876 km (0.063 R)
• M3: 1,154,746 km (0.085 R)
• M4: 1,703,770 km (0.108 R)
• M5: 2,229,457 km (0.105 R)
• M6: 2,717,445 km (0.087 R)
• M7: 3,364,606 km (0.108 R)
• M8: 3,791,259 km (0.071 R)
• M9: 4,712,782 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 14.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.48 AU - 0.74 AU

Year: 323 Days

Day: 12.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,042,239 km

• M1: 184,753 km (0.069 R)
• M2: 672,293 km (0.083 R)
• M3: 1,532,929 km (0.117 R)
• M4: 2,200,435 km (0.079 R)
• M5: 3,198,552 km (0.057 R)
• M6: 4,128,752 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.8

Radius: 10.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.98 AU - 1.32 AU

Year: 836 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,042,239 km

• M1: 131,796 km (0.054 R)
• M2: 465,997 km (0.058 R)
• M3: 854,952 km (0.066 R)
• M4: 1,413,849 km (0.109 R)
• M5: 1,801,158 km (0.115 R)
• M6: 2,160,193 km (0.083 R)
• M7: 2,958,298 km (0.039 R)
• M8: 3,292,649 km (0.104 R)
• M9: 3,861,869 km (0.097 R)
• M10: 4,262,642 km (0.096 R)
• M11: 4,645,463 km (0.099 R)
• M12: 5,379,539 km (0.079 R)
• M13: 5,757,124 km (0.095 R)
• M14: 6,207,713 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137

Radius: 12.1

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.15 AU - 1.59 AU

Year: 1088 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,042,239 km

• M1: 152,291 km (0.089 R)
• M2: 884,123 km (0.094 R)
• M3: 1,361,041 km (0.107 R)
• M4: 1,792,930 km (0.113 R)
• M5: 2,760,530 km (0.114 R)
• M6: 3,768,221 km (0.103 R)
• M7: 5,086,328 km (0.103 R)
• M8: 5,463,763 km (0.106 R)
• M9: 5,984,364 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.5

Radius: 13.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.93 AU - 2.85 AU

Year: 2506 Days

Day: 7.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,042,239 km

• M1: 169,195 km (0.079 R)
• M2: 627,413 km (0.114 R)
• M3: 1,095,356 km (0.08 R)
• M4: 1,566,439 km (0.092 R)
• M5: 2,097,213 km (0.065 R)
• M6: 2,955,007 km (0.077 R)
• M7: 3,816,092 km (0.12 R)
• M8: 4,478,960 km (0.1 R)
• M9: 4,908,157 km (0.033 R)
• M10: 5,515,075 km (0.074 R)
• M11: 6,309,141 km (0.087 R)
• M12: 8,527,228 km (0.074 R)
• M13: 9,925,520 km (0.093 R)
• M14: 10,580,908 km (0.104 R)
• M15: 11,935,517 km (0.104 R)
• M16: 12,455,818 km (0.115 R)
• M17: 13,036,557 km (0.091 R)
• M18: 13,917,838 km (0.031 R)
• M19: 15,799,181 km (0.073 R)
• M20: 18,526,051 km (0.101 R)
• M21: 20,244,182 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760

Radius: 9.6

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.15 AU - 3.43 AU

Year: 3161 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,042,239 km

• M1: 119,379 km (0.043 R)
• M2: 1,804,300 km (0.056 R)
• M3: 2,110,826 km (0.058 R)
• M4: 2,589,838 km (0.114 R)
• M5: 3,827,312 km (0.117 R)
• M6: 4,250,823 km (0.067 R)
• M7: 4,823,783 km (0.07 R)
• M8: 6,067,989 km (0.086 R)
• M9: 7,070,594 km (0.08 R)
• M10: 8,457,067 km (0.1 R)
• M11: 9,860,295 km (0.109 R)
• M12: 10,576,719 km (0.105 R)
• M13: 13,169,400 km (0.072 R)
• M14: 14,536,874 km (0.032 R)
• M15: 17,551,869 km (0.111 R)
• M16: 21,284,785 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.4

Radius: 8.9

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.55 AU - 3.21 AU

Year: 3315 Days

Day: 10.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,042,239 km

• M1: 111,002 km (0.069 R)
• M2: 430,243 km (0.09 R)
• M3: 805,136 km (0.056 R)
• M4: 1,406,968 km (0.119 R)
• M5: 1,752,689 km (0.107 R)
• M6: 2,254,290 km (0.062 R)
• M7: 2,586,697 km (0.059 R)
• M8: 3,201,694 km (0.119 R)
• M9: 3,485,331 km (0.08 R)
• M10: 4,060,385 km (0.119 R)
• M11: 4,842,034 km (0.117 R)
• M12: 5,320,747 km (0.091 R)
• M13: 5,639,092 km (0.098 R)
• M14: 6,550,891 km (0.117 R)
• M15: 7,459,249 km (0.102 R)
• M16: 7,824,866 km (0.084 R)
• M17: 11,809,555 km (0.112 R)
• M18: 12,584,173 km (0.069 R)
• M19: 13,007,834 km (0.112 R)
• M20: 15,006,611 km (0.055 R)
• M21: 18,983,072 km (0.087 R)
• M22: 20,753,264 km (0.091 R)
• M23: 21,080,584 km (0.103 R)
• M24: 22,561,902 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.6

Radius: 13.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.85 AU - 3.97 AU

Year: 4271 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,042,239 km

• M1: 169,195 km (0.114 R)
• M2: 644,019 km (0.078 R)
• M3: 1,145,770 km (0.069 R)
• M4: 1,697,337 km (0.085 R)
• M5: 2,489,458 km (0.1 R)
• M6: 3,274,997 km (0.05 R)
• M7: 4,607,016 km (0.114 R)
• M8: 5,882,338 km (0.119 R)
• M9: 6,943,286 km (0.066 R)
• M10: 10,986,168 km (0.096 R)
• M11: 11,817,783 km (0.079 R)
• M12: 12,591,952 km (0.091 R)
• M13: 14,081,199 km (0.118 R)
• M14: 15,570,595 km (0.083 R)
• M15: 21,936,134 km (0.1 R)
• M16: 24,163,198 km (0.091 R)
• M17: 25,331,557 km (0.117 R)
• M18: 25,969,891 km (0.088 R)
• M19: 26,455,785 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.8

Radius: 6.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.46 AU - 9.72 AU

Year: 15607 Days

Day: 24.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,042,239 km

• M1: 82,877 km (0.026 R)
• M2: 328,816 km (0.09 R)
• M3: 1,125,724 km (0.112 R)
• M4: 2,207,466 km (0.086 R)
• M5: 2,748,113 km (0.059 R)
• M6: 2,972,210 km (0.068 R)
• M7: 3,188,379 km (0.068 R)
• M8: 8,952,086 km (0.065 R)
• M9: 9,238,417 km (0.098 R)
• M10: 10,490,102 km (0.099 R)
• M11: 11,998,198 km (0.031 R)
• M12: 12,497,556 km (0.11 R)
• M13: 13,591,565 km (0.057 R)
• M14: 15,671,723 km (0.109 R)
• M15: 18,019,812 km (0.114 R)
• M16: 21,380,677 km (0.102 R)
• M17: 26,452,793 km (0.119 R)
• M18: 30,307,033 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.7

Radius: 7.8

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.29 AU - 11.09 AU

Year: 22062 Days

Day: 20.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,042,239 km

• M1: 98,884 km (0.092 R)
• M2: 421,417 km (0.025 R)
• M3: 684,111 km (0.052 R)
• M4: 1,783,506 km (0.093 R)
• M5: 2,069,687 km (0.097 R)
• M6: 2,367,087 km (0.061 R)
• M7: 2,629,482 km (0.094 R)
• M8: 3,826,714 km (0.046 R)
• M9: 4,425,105 km (0.059 R)
• M10: 6,174,652 km (0.105 R)
• M11: 7,120,260 km (0.105 R)
• M12: 8,113,889 km (0.095 R)
• M13: 9,748,096 km (0.033 R)
• M14: 10,588,388 km (0.072 R)
• M15: 12,472,722 km (0.057 R)
• M16: 14,041,406 km (0.109 R)
• M17: 14,771,743 km (0.092 R)
• M18: 15,808,007 km (0.103 R)
• M19: 17,870,812 km (0.054 R)
• M20: 18,966,766 km (0.081 R)
• M21: 19,449,818 km (0.037 R)
• M22: 19,776,539 km (0.111 R)
• M23: 24,551,853 km (0.06 R)
• M24: 25,318,991 km (0.068 R)
• M25: 36,177,702 km (0.053 R)
• M26: 36,920,754 km (0.113 R)
• M27: 37,170,733 km (0.025 R)
• M28: 39,340,949 km (0.117 R)
• M29: 42,273,067 km (0.096 R)
• M30: 45,347,752 km (0.081 R)
• M31: 49,472,465 km (0.042 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 18,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit