🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.3

Radius: 10.8

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.72 AU - 0.76 AU

Year: 405 Days

Day: 11 Hours

Environment

Temp: -133 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,879,926 km

• M1: 134,339 km (0.086 R)
• M2: 1,154,297 km (0.114 R)
• M3: 1,723,966 km (0.091 R)
• M4: 2,220,332 km (0.12 R)
• M5: 2,600,011 km (0.06 R)
• M6: 2,938,551 km (0.062 R)
• M7: 3,419,209 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.5

Radius: 11.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.71 AU - 1.09 AU

Year: 543 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,879,926 km

• M1: 146,756 km (0.108 R)
• M2: 567,126 km (0.063 R)
• M3: 950,844 km (0.077 R)
• M4: 1,365,978 km (0.087 R)
• M5: 1,808,788 km (0.074 R)
• M6: 2,357,064 km (0.089 R)
• M7: 2,936,756 km (0.079 R)
• M8: 3,497,149 km (0.06 R)
• M9: 3,963,446 km (0.027 R)
• M10: 4,879,883 km (0.037 R)
• M11: 5,413,797 km (0.035 R)
• M12: 6,259,624 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 11.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.46 AU - 1.5 AU

Year: 1145 Days

Day: 14.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,879,926 km

• M1: 143,016 km (0.097 R)
• M2: 516,412 km (0.112 R)
• M3: 925,412 km (0.088 R)
• M4: 1,354,010 km (0.085 R)
• M5: 1,785,451 km (0.079 R)
• M6: 2,415,706 km (0.111 R)
• M7: 2,800,173 km (0.107 R)
• M8: 3,213,512 km (0.053 R)
• M9: 3,576,137 km (0.077 R)
• M10: 4,310,513 km (0.105 R)
• M11: 5,379,839 km (0.063 R)
• M12: 6,364,043 km (0.083 R)
• M13: 6,939,995 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 8.4

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.63 AU - 2.67 AU

Year: 2743 Days

Day: 10.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,879,926 km

• M1: 104,569 km (0.11 R)
• M2: 457,021 km (0.071 R)
• M3: 794,514 km (0.109 R)
• M4: 1,209,499 km (0.112 R)
• M5: 1,713,045 km (0.034 R)
• M6: 1,979,928 km (0.066 R)
• M7: 2,426,926 km (0.12 R)
• M8: 2,751,853 km (0.114 R)
• M9: 3,044,616 km (0.069 R)
• M10: 3,489,819 km (0.077 R)
• M11: 4,510,376 km (0.117 R)
• M12: 5,465,109 km (0.117 R)
• M13: 5,978,380 km (0.041 R)
• M14: 6,346,390 km (0.114 R)
• M15: 7,430,077 km (0.104 R)
• M16: 7,712,069 km (0.03 R)
• M17: 8,148,746 km (0.095 R)
• M18: 8,540,243 km (0.099 R)
• M19: 9,459,223 km (0.055 R)
• M20: 10,130,319 km (0.049 R)
• M21: 11,122,751 km (0.058 R)
• M22: 14,532,236 km (0.103 R)
• M23: 14,974,298 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.8

Radius: 12.5

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.76 AU - 5.02 AU

Year: 6875 Days

Day: 10.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,879,926 km

• M1: 155,731 km (0.118 R)
• M2: 635,043 km (0.077 R)
• M3: 1,250,189 km (0.117 R)
• M4: 2,119,802 km (0.046 R)
• M5: 3,401,856 km (0.093 R)
• M6: 4,287,026 km (0.095 R)
• M7: 5,740,369 km (0.111 R)
• M8: 6,445,873 km (0.101 R)
• M9: 7,537,040 km (0.059 R)
• M10: 12,996,465 km (0.044 R)
• M11: 16,055,143 km (0.104 R)
• M12: 16,492,118 km (0.082 R)
• M13: 22,452,995 km (0.072 R)
• M14: 31,233,791 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.9

Radius: 7.9

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.27 AU - 8.57 AU

Year: 14172 Days

Day: 22.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,879,926 km

• M1: 110,852 km (0.063 R)
• M2: 871,557 km (0.111 R)
• M3: 2,290,493 km (0.099 R)
• M4: 2,645,489 km (0.087 R)
• M5: 3,367,298 km (0.052 R)
• M6: 4,157,175 km (0.078 R)
• M7: 5,195,534 km (0.114 R)
• M8: 6,744,470 km (0.072 R)
• M9: 10,404,831 km (0.059 R)
• M10: 12,416,174 km (0.112 R)
• M11: 13,202,162 km (0.093 R)
• M12: 13,576,007 km (0.082 R)
• M13: 14,806,300 km (0.088 R)
• M14: 17,636,841 km (0.107 R)
• M15: 19,497,838 km (0.085 R)
• M16: 26,841,598 km (0.118 R)
• M17: 41,008,516 km (0.107 R)
• M18: 44,672,019 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128

Radius: 3.2

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.9 AU - 9.08 AU

Year: 14360 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,879,926 km

• M1: 40,541 km (0.063 R)
• M2: 210,933 km (0.111 R)
• M3: 376,538 km (0.113 R)
• M4: 503,546 km (0.095 R)
• M5: 666,459 km (0.101 R)
• M6: 1,638,396 km (0.093 R)
• M7: 3,257,194 km (0.044 R)
• M8: 4,526,832 km (0.117 R)
• M9: 7,415,716 km (0.085 R)
• M10: 7,793,301 km (0.109 R)
• M11: 8,751,475 km (0.052 R)
• M12: 19,109,333 km (0.115 R)
• M13: 21,968,896 km (0.108 R)
• M14: 23,944,635 km (0.118 R)
• M15: 24,518,343 km (0.071 R)
• M16: 31,445,622 km (0.029 R)
• M17: 34,879,940 km (0.072 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: 320 - 14,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit