🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 9.3

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.51 AU - 0.75 AU

Year: 345 Days

Day: 5.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,426,159 km

• M1: 116,238 km (0.093 R)
• M2: 484,398 km (0.053 R)
• M3: 813,962 km (0.06 R)
• M4: 1,140,235 km (0.099 R)
• M5: 1,630,168 km (0.095 R)
• M6: 2,028,398 km (0.114 R)
• M7: 2,673,314 km (0.097 R)
• M8: 3,164,145 km (0.12 R)
• M9: 3,460,797 km (0.072 R)
• M10: 4,339,984 km (0.117 R)
• M11: 4,824,831 km (0.079 R)
• M12: 5,473,188 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 8.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.91 AU - 1.29 AU

Year: 796 Days

Day: 8.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,426,159 km

• M1: 109,506 km (0.104 R)
• M2: 452,982 km (0.116 R)
• M3: 1,029,682 km (0.115 R)
• M4: 1,395,150 km (0.097 R)
• M5: 1,795,174 km (0.108 R)
• M6: 2,177,547 km (0.115 R)
• M7: 2,455,948 km (0.066 R)
• M8: 2,878,263 km (0.118 R)
• M9: 3,427,586 km (0.114 R)
• M10: 3,770,166 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.4

Radius: 10

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.16 AU - 1.42 AU

Year: 1011 Days

Day: 12.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,426,159 km

• M1: 124,316 km (0.071 R)
• M2: 439,070 km (0.072 R)
• M3: 873,951 km (0.036 R)
• M4: 1,239,119 km (0.04 R)
• M5: 1,875,209 km (0.05 R)
• M6: 2,629,482 km (0.089 R)
• M7: 3,180,451 km (0.098 R)
• M8: 3,886,702 km (0.111 R)
• M9: 4,407,452 km (0.086 R)
• M10: 5,089,469 km (0.114 R)
• M11: 5,650,910 km (0.091 R)
• M12: 6,365,389 km (0.09 R)
• M13: 8,292,808 km (0.095 R)
• M14: 8,843,927 km (0.093 R)
• M15: 9,186,207 km (0.11 R)
• M16: 9,806,589 km (0.053 R)
• M17: 10,297,719 km (0.102 R)
• M18: 10,869,931 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.8

Radius: 9.3

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.63 AU - 3.27 AU

Year: 3497 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,426,159 km

• M1: 119,080 km (0.036 R)
• M2: 659,128 km (0.116 R)
• M3: 1,016,218 km (0.104 R)
• M4: 1,317,359 km (0.12 R)
• M5: 1,606,980 km (0.088 R)
• M6: 2,865,098 km (0.086 R)
• M7: 4,971,287 km (0.075 R)
• M8: 5,750,692 km (0.032 R)
• M9: 6,491,650 km (0.074 R)
• M10: 7,422,149 km (0.094 R)
• M11: 8,026,973 km (0.061 R)
• M12: 8,951,937 km (0.048 R)
• M13: 10,293,530 km (0.066 R)
• M14: 11,146,837 km (0.106 R)
• M15: 11,660,107 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 11.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.1 AU - 3.94 AU

Year: 4559 Days

Day: 5.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,426,159 km

• M1: 145,559 km (0.086 R)
• M2: 571,913 km (0.094 R)
• M3: 966,701 km (0.113 R)
• M4: 1,517,970 km (0.067 R)
• M5: 2,882,153 km (0.105 R)
• M6: 3,762,686 km (0.056 R)
• M7: 4,667,154 km (0.068 R)
• M8: 5,093,060 km (0.085 R)
• M9: 8,694,927 km (0.093 R)
• M10: 9,658,338 km (0.118 R)
• M11: 12,166,196 km (0.086 R)
• M12: 14,705,770 km (0.104 R)
• M13: 15,515,543 km (0.107 R)
• M14: 17,165,009 km (0.032 R)
• M15: 17,639,983 km (0.111 R)
• M16: 18,492,242 km (0.112 R)
• M17: 19,054,430 km (0.119 R)
• M18: 20,278,889 km (0.094 R)

Asteroid Belt

Center: 5.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.3

Radius: 7.5

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.28 AU - 9.12 AU

Year: 16208 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,426,159 km

• M1: 111,600 km (0.09 R)
• M2: 486,343 km (0.106 R)
• M3: 863,479 km (0.095 R)
• M4: 1,552,826 km (0.11 R)
• M5: 2,014,485 km (0.077 R)
• M6: 2,429,320 km (0.056 R)
• M7: 3,514,652 km (0.099 R)
• M8: 4,181,111 km (0.058 R)
• M9: 6,005,457 km (0.118 R)
• M10: 11,259,933 km (0.105 R)
• M11: 12,902,816 km (0.059 R)
• M12: 13,745,651 km (0.076 R)
• M13: 14,253,835 km (0.074 R)
• M14: 14,624,538 km (0.077 R)
• M15: 20,512,411 km (0.071 R)
• M16: 24,605,110 km (0.061 R)
• M17: 25,571,213 km (0.109 R)
• M18: 29,689,193 km (0.117 R)
• M19: 35,296,570 km (0.099 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: 176 - 18,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit