🌌 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: 473.4

Radius: 12.5

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.54 AU - 0.58 AU

Year: 279 Days

Day: 10.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,080,031 km

• M1: 156,031 km (0.077 R)
• M2: 557,102 km (0.086 R)
• M3: 985,252 km (0.119 R)
• M4: 1,462,918 km (0.039 R)
• M5: 1,968,110 km (0.055 R)
• M6: 2,522,220 km (0.035 R)
• M7: 2,969,967 km (0.109 R)
• M8: 3,398,714 km (0.098 R)
• M9: 3,902,560 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.4

Radius: 12.8

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.55 AU - 0.69 AU

Year: 326 Days

Day: 9.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,080,031 km

• M1: 159,172 km (0.082 R)
• M2: 614,997 km (0.103 R)
• M3: 1,035,367 km (0.111 R)
• M4: 1,514,828 km (0.104 R)
• M5: 2,167,524 km (0.085 R)
• M6: 3,012,303 km (0.119 R)
• M7: 3,534,549 km (0.073 R)
• M8: 4,220,006 km (0.039 R)
• M9: 4,636,487 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.9

Radius: 12

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.03 AU - 1.11 AU

Year: 738 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,080,031 km

• M1: 149,598 km (0.105 R)
• M2: 573,259 km (0.097 R)
• M3: 998,117 km (0.069 R)
• M4: 1,411,157 km (0.071 R)
• M5: 1,886,280 km (0.074 R)
• M6: 2,760,530 km (0.103 R)
• M7: 3,350,394 km (0.114 R)
• M8: 3,843,169 km (0.104 R)
• M9: 4,416,578 km (0.073 R)
• M10: 5,429,804 km (0.096 R)
• M11: 5,832,971 km (0.066 R)
• M12: 6,401,592 km (0.063 R)
• M13: 6,940,294 km (0.079 R)
• M14: 7,793,002 km (0.072 R)
• M15: 8,611,302 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.8

Radius: 10.1

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.88 AU - 1.26 AU

Year: 738 Days

Day: 11.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,080,031 km

• M1: 125,662 km (0.108 R)
• M2: 738,565 km (0.112 R)
• M3: 1,056,011 km (0.1 R)
• M4: 1,410,409 km (0.061 R)
• M5: 1,728,304 km (0.086 R)
• M6: 2,556,179 km (0.07 R)
• M7: 3,246,423 km (0.096 R)
• M8: 3,767,922 km (0.085 R)
• M9: 4,160,915 km (0.106 R)
• M10: 4,694,830 km (0.12 R)
• M11: 5,098,744 km (0.084 R)
• M12: 5,489,344 km (0.031 R)
• M13: 6,034,629 km (0.117 R)
• M14: 6,472,202 km (0.117 R)
• M15: 6,824,655 km (0.041 R)
• M16: 7,190,122 km (0.107 R)
• M17: 7,523,277 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.8

Radius: 8.6

Gravity: 12.77 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.9 AU - 1.32 AU

Year: 780 Days

Day: 7.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,080,031 km

• M1: 107,411 km (0.109 R)
• M2: 665,262 km (0.071 R)
• M3: 1,119,890 km (0.092 R)
• M4: 1,415,046 km (0.076 R)
• M5: 1,881,343 km (0.079 R)
• M6: 2,402,542 km (0.12 R)
• M7: 2,752,152 km (0.049 R)
• M8: 3,467,828 km (0.09 R)
• M9: 4,385,611 km (0.11 R)
• M10: 4,748,685 km (0.107 R)
• M11: 5,816,066 km (0.094 R)
• M12: 6,648,728 km (0.089 R)
• M13: 9,453,239 km (0.115 R)

Asteroid Belt

Center: 1.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.4

Radius: 10.2

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.66 AU - 2.34 AU

Year: 1886 Days

Day: 5.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,080,031 km

• M1: 126,859 km (0.099 R)
• M2: 452,683 km (0.025 R)
• M3: 780,901 km (0.118 R)
• M4: 1,277,416 km (0.059 R)
• M5: 1,687,614 km (0.103 R)
• M6: 2,159,894 km (0.098 R)
• M7: 2,748,711 km (0.095 R)
• M8: 3,105,801 km (0.104 R)
• M9: 3,441,499 km (0.109 R)
• M10: 3,990,822 km (0.118 R)
• M11: 5,058,502 km (0.11 R)
• M12: 5,869,622 km (0.112 R)
• M13: 6,519,625 km (0.043 R)
• M14: 8,087,261 km (0.071 R)
• M15: 8,727,241 km (0.098 R)
• M16: 9,127,116 km (0.087 R)
• M17: 10,889,079 km (0.073 R)
• M18: 11,589,796 km (0.091 R)
• M19: 12,278,993 km (0.093 R)
• M20: 13,211,287 km (0.092 R)
• M21: 16,341,473 km (0.113 R)
• M22: 17,468,693 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.7

Radius: 8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.15 AU - 11.21 AU

Year: 21660 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,080,031 km

• M1: 99,632 km (0.119 R)
• M2: 414,237 km (0.112 R)
• M3: 666,459 km (0.072 R)
• M4: 922,869 km (0.087 R)
• M5: 2,514,591 km (0.078 R)
• M6: 3,085,007 km (0.112 R)
• M7: 3,502,685 km (0.069 R)
• M8: 4,156,278 km (0.053 R)
• M9: 4,542,839 km (0.116 R)
• M10: 4,856,246 km (0.087 R)
• M11: 5,184,314 km (0.112 R)
• M12: 5,884,731 km (0.091 R)
• M13: 9,080,441 km (0.106 R)
• M14: 9,732,538 km (0.115 R)
• M15: 10,043,851 km (0.083 R)
• M16: 10,308,191 km (0.088 R)
• M17: 11,242,430 km (0.111 R)
• M18: 11,759,290 km (0.085 R)
• M19: 18,064,840 km (0.067 R)
• M20: 20,670,237 km (0.076 R)
• M21: 26,411,953 km (0.095 R)
• M22: 29,862,577 km (0.059 R)
• M23: 32,323,014 km (0.072 R)
• M24: 33,250,221 km (0.09 R)
• M25: 33,957,221 km (0.114 R)
• M26: 35,768,552 km (0.042 R)
• M27: 43,379,194 km (0.03 R)
• M28: 47,115,700 km (0.099 R)
• M29: 48,157,200 km (0.095 R)
• M30: 51,061,194 km (0.059 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 10,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit