🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467

Radius: 10.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.57 AU - 0.67 AU

Year: 337 Days

Day: 11.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,675,891 km

• M1: 128,056 km (0.098 R)
• M2: 492,027 km (0.059 R)
• M3: 936,183 km (0.077 R)
• M4: 1,290,880 km (0.061 R)
• M5: 2,624,844 km (0.097 R)
• M6: 3,030,254 km (0.043 R)
• M7: 3,565,216 km (0.058 R)
• M8: 4,028,072 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.6

Radius: 8.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.38 AU - 1.58 AU

Year: 1243 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,675,891 km

• M1: 104,569 km (0.046 R)
• M2: 416,181 km (0.09 R)
• M3: 888,761 km (0.063 R)
• M4: 1,275,172 km (0.096 R)
• M5: 1,636,152 km (0.101 R)
• M6: 2,001,769 km (0.074 R)
• M7: 2,706,973 km (0.112 R)
• M8: 3,827,462 km (0.118 R)
• M9: 5,265,247 km (0.036 R)
• M10: 6,497,784 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 8.1

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.59 AU - 1.81 AU

Year: 1530 Days

Day: 11 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,675,891 km

• M1: 100,979 km (0.092 R)
• M2: 656,286 km (0.109 R)
• M3: 1,677,142 km (0.096 R)
• M4: 2,061,159 km (0.112 R)
• M5: 2,357,064 km (0.068 R)
• M6: 2,881,853 km (0.069 R)
• M7: 3,238,495 km (0.088 R)
• M8: 3,560,878 km (0.105 R)
• M9: 4,489,133 km (0.107 R)
• M10: 4,754,220 km (0.111 R)
• M11: 5,399,885 km (0.093 R)
• M12: 5,765,951 km (0.038 R)
• M13: 7,269,110 km (0.062 R)
• M14: 10,165,325 km (0.049 R)
• M15: 11,654,123 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 11.4

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.46 AU - 3.5 AU

Year: 3551 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 38,675,891 km

• M1: 141,819 km (0.088 R)
• M2: 1,279,062 km (0.037 R)
• M3: 2,803,913 km (0.074 R)
• M4: 6,314,377 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.1

Radius: 3.4

Gravity: 68.69 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.52 AU - 5.6 AU

Year: 9049 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 38,675,891 km

• M1: 42,336 km (0.091 R)
• M2: 160,668 km (0.083 R)
• M3: 510,129 km (0.068 R)
• M4: 637,586 km (0.091 R)
• M5: 751,580 km (0.098 R)
• M6: 1,010,534 km (0.071 R)
• M7: 1,275,322 km (0.05 R)
• M8: 1,458,130 km (0.111 R)
• M9: 2,624,994 km (0.116 R)
• M10: 2,834,281 km (0.075 R)
• M11: 4,446,647 km (0.094 R)
• M12: 5,023,197 km (0.116 R)
• M13: 5,247,594 km (0.112 R)
• M14: 6,140,095 km (0.058 R)
• M15: 8,263,936 km (0.081 R)
• M16: 8,897,184 km (0.063 R)
• M17: 9,956,785 km (0.07 R)
• M18: 11,259,783 km (0.089 R)
• M19: 11,423,443 km (0.115 R)
• M20: 12,093,791 km (0.05 R)
• M21: 12,322,975 km (0.058 R)
• M22: 12,790,020 km (0.093 R)
• M23: 13,268,733 km (0.03 R)
• M24: 13,390,356 km (0.082 R)
• M25: 14,072,073 km (0.039 R)
• M26: 16,817,194 km (0.095 R)
• M27: 21,196,971 km (0.093 R)
• M28: 22,810,534 km (0.109 R)
• M29: 23,691,815 km (0.071 R)
• M30: 27,444,178 km (0.049 R)
• M31: 29,152,137 km (0.111 R)
• M32: 33,111,694 km (0.064 R)
• M33: 34,012,422 km (0.049 R)
• M34: 34,698,777 km (0.119 R)
• M35: 35,394,108 km (0.039 R)
• M36: 38,391,900 km (0.095 R)
• M37: 40,396,661 km (0.027 R)
• M38: 42,734,277 km (0.117 R)
• M39: 42,999,514 km (0.065 R)
• M40: 45,711,724 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.6

Radius: 5.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.06 AU - 8.36 AU

Year: 13363 Days

Day: 22 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,675,891 km

• M1: 65,973 km (0.098 R)
• M2: 307,124 km (0.11 R)
• M3: 986,897 km (0.117 R)
• M4: 2,301,862 km (0.117 R)
• M5: 2,800,323 km (0.115 R)
• M6: 3,801,731 km (0.067 R)
• M7: 6,678,947 km (0.094 R)
• M8: 11,163,143 km (0.114 R)
• M9: 22,014,823 km (0.098 R)
• M10: 27,663,788 km (0.071 R)
• M11: 30,133,798 km (0.11 R)
• M12: 30,315,709 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.7

Radius: 5.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.39 AU - 9.27 AU

Year: 18111 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,675,891 km

• M1: 69,862 km (0.054 R)
• M2: 435,031 km (0.097 R)
• M3: 699,819 km (0.097 R)
• M4: 870,061 km (0.086 R)
• M5: 1,558,062 km (0.112 R)
• M6: 2,968,620 km (0.078 R)
• M7: 3,874,435 km (0.119 R)
• M8: 4,101,226 km (0.081 R)
• M9: 4,864,324 km (0.069 R)
• M10: 5,249,090 km (0.097 R)
• M11: 5,622,038 km (0.108 R)
• M12: 7,445,336 km (0.041 R)
• M13: 7,876,178 km (0.104 R)
• M14: 9,493,182 km (0.057 R)
• M15: 10,719,136 km (0.045 R)
• M16: 13,366,719 km (0.071 R)
• M17: 15,397,361 km (0.067 R)
• M18: 16,095,983 km (0.104 R)
• M19: 16,881,970 km (0.059 R)
• M20: 19,760,832 km (0.095 R)
• M21: 25,666,806 km (0.092 R)
• M22: 27,377,009 km (0.102 R)
• M23: 28,306,909 km (0.056 R)
• M24: 28,970,226 km (0.11 R)
• M25: 30,033,418 km (0.085 R)
• M26: 31,222,721 km (0.113 R)
• M27: 32,340,068 km (0.067 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: 391 - 16,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit