🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.3

Radius: 10.6

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.74 AU - 1.2 AU

Year: 617 Days

Day: 10.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,661,384 km

• M1: 132,095 km (0.111 R)
• M2: 494,870 km (0.065 R)
• M3: 885,021 km (0.115 R)
• M4: 1,276,818 km (0.064 R)
• M5: 1,733,690 km (0.081 R)
• M6: 3,057,631 km (0.074 R)
• M7: 3,822,076 km (0.038 R)
• M8: 4,175,277 km (0.112 R)
• M9: 5,241,012 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.1

Radius: 10.2

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.01 AU - 1.59 AU

Year: 957 Days

Day: 8.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,661,384 km

• M1: 127,158 km (0.118 R)
• M2: 448,494 km (0.115 R)
• M3: 775,815 km (0.117 R)
• M4: 1,201,869 km (0.092 R)
• M5: 1,545,196 km (0.119 R)
• M6: 1,935,048 km (0.116 R)
• M7: 2,626,191 km (0.103 R)
• M8: 3,214,858 km (0.094 R)
• M9: 3,624,158 km (0.109 R)
• M10: 4,068,164 km (0.098 R)
• M11: 4,989,388 km (0.098 R)
• M12: 5,704,765 km (0.062 R)
• M13: 7,314,737 km (0.101 R)
• M14: 7,664,797 km (0.063 R)
• M15: 8,562,085 km (0.114 R)
• M16: 9,735,530 km (0.082 R)
• M17: 10,159,939 km (0.071 R)
• M18: 10,659,895 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.3

Radius: 13

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.26 AU - 1.34 AU

Year: 957 Days

Day: 8.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,661,384 km

• M1: 161,715 km (0.092 R)
• M2: 602,131 km (0.069 R)
• M3: 1,251,237 km (0.112 R)
• M4: 1,839,007 km (0.045 R)
• M5: 2,490,356 km (0.08 R)
• M6: 3,073,339 km (0.039 R)
• M7: 3,580,326 km (0.081 R)
• M8: 4,192,331 km (0.114 R)
• M9: 5,289,631 km (0.055 R)
• M10: 6,022,062 km (0.1 R)
• M11: 7,055,484 km (0.04 R)
• M12: 7,565,015 km (0.09 R)
• M13: 7,969,677 km (0.036 R)
• M14: 8,415,479 km (0.102 R)
• M15: 9,618,096 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 10.1

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.1 AU - 1.62 AU

Year: 1024 Days

Day: 13.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,661,384 km

• M1: 125,812 km (0.069 R)
• M2: 547,678 km (0.087 R)
• M3: 987,047 km (0.058 R)
• M4: 1,479,972 km (0.075 R)
• M5: 2,465,822 km (0.082 R)
• M6: 3,006,020 km (0.086 R)
• M7: 3,532,305 km (0.096 R)
• M8: 3,906,000 km (0.115 R)
• M9: 4,375,139 km (0.086 R)
• M10: 4,696,476 km (0.116 R)
• M11: 5,366,674 km (0.103 R)
• M12: 8,452,728 km (0.034 R)
• M13: 8,981,856 km (0.096 R)
• M14: 9,801,503 km (0.085 R)
• M15: 10,448,364 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 10.3

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.37 AU - 3.11 AU

Year: 2928 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,661,384 km

• M1: 139,724 km (0.028 R)
• M2: 619,036 km (0.081 R)
• M3: 1,257,221 km (0.098 R)
• M4: 1,967,960 km (0.113 R)
• M5: 3,039,081 km (0.093 R)
• M6: 3,824,320 km (0.07 R)
• M7: 4,503,345 km (0.04 R)
• M8: 6,311,085 km (0.068 R)
• M9: 7,056,681 km (0.104 R)
• M10: 7,376,970 km (0.115 R)
• M11: 8,558,644 km (0.09 R)
• M12: 9,298,106 km (0.065 R)
• M13: 9,790,582 km (0.116 R)
• M14: 10,411,862 km (0.091 R)
• M15: 10,981,531 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 14.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3 AU - 4.08 AU

Year: 4301 Days

Day: 10 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,661,384 km

• M1: 183,557 km (0.098 R)
• M2: 777,011 km (0.119 R)
• M3: 1,292,226 km (0.103 R)
• M4: 2,110,976 km (0.078 R)
• M5: 2,739,137 km (0.072 R)
• M6: 3,673,376 km (0.107 R)
• M7: 4,376,935 km (0.116 R)
• M8: 5,655,697 km (0.086 R)
• M9: 6,232,247 km (0.118 R)
• M10: 6,690,466 km (0.031 R)
• M11: 8,274,408 km (0.097 R)
• M12: 9,688,108 km (0.114 R)
• M13: 10,263,312 km (0.118 R)
• M14: 11,709,624 km (0.083 R)
• M15: 13,337,997 km (0.108 R)
• M16: 14,628,577 km (0.069 R)
• M17: 15,386,889 km (0.051 R)
• M18: 18,559,710 km (0.054 R)
• M19: 19,384,443 km (0.061 R)
• M20: 21,106,913 km (0.108 R)
• M21: 21,656,835 km (0.109 R)

Asteroid Belt

Center: 4.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.4

Radius: 7.3

Gravity: 16.52 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.94 AU - 6.14 AU

Year: 9585 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,661,384 km

• M1: 99,183 km (0.075 R)
• M2: 454,329 km (0.03 R)
• M3: 2,043,507 km (0.059 R)
• M4: 2,631,576 km (0.083 R)
• M5: 4,167,797 km (0.094 R)
• M6: 5,307,732 km (0.087 R)
• M7: 6,076,815 km (0.067 R)
• M8: 12,496,509 km (0.098 R)
• M9: 12,978,214 km (0.105 R)
• M10: 18,267,097 km (0.058 R)
• M11: 18,731,149 km (0.043 R)
• M12: 23,177,946 km (0.074 R)
• M13: 25,982,906 km (0.079 R)
• M14: 28,178,255 km (0.054 R)
• M15: 28,693,919 km (0.056 R)
• M16: 29,110,998 km (0.081 R)
• M17: 32,707,480 km (0.118 R)
• M18: 46,818,598 km (0.109 R)
• M19: 48,566,949 km (0.084 R)
• M20: 50,661,319 km (0.108 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: 283 - 15,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit