🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.6

Radius: 9.7

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.91 AU - 1.45 AU

Year: 885 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,302,598 km

• M1: 121,623 km (0.108 R)
• M2: 426,952 km (0.067 R)
• M3: 758,760 km (0.089 R)
• M4: 1,065,137 km (0.093 R)
• M5: 1,464,563 km (0.047 R)
• M6: 1,767,200 km (0.066 R)
• M7: 2,153,162 km (0.081 R)
• M8: 2,642,646 km (0.062 R)
• M9: 3,259,887 km (0.115 R)
• M10: 4,329,063 km (0.085 R)
• M11: 5,517,469 km (0.114 R)
• M12: 5,944,421 km (0.082 R)
• M13: 6,327,840 km (0.054 R)
• M14: 6,727,715 km (0.044 R)
• M15: 7,073,735 km (0.069 R)
• M16: 7,455,958 km (0.117 R)
• M17: 7,826,811 km (0.12 R)
• M18: 8,209,931 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.7

Radius: 12.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.06 AU - 1.62 AU

Year: 1071 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 35,302,598 km

• M1: 152,590 km (0.059 R)
• M2: 601,084 km (0.115 R)
• M3: 1,453,194 km (0.099 R)
• M4: 2,402,093 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 11.4

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.44 AU - 1.94 AU

Year: 1516 Days

Day: 12.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,302,598 km

• M1: 141,819 km (0.066 R)
• M2: 570,417 km (0.089 R)
• M3: 1,131,409 km (0.091 R)
• M4: 1,606,980 km (0.102 R)
• M5: 2,191,310 km (0.112 R)
• M6: 2,773,844 km (0.058 R)
• M7: 3,299,830 km (0.049 R)
• M8: 4,176,773 km (0.107 R)
• M9: 5,729,449 km (0.047 R)
• M10: 6,462,628 km (0.095 R)
• M11: 7,337,476 km (0.085 R)
• M12: 8,144,557 km (0.113 R)
• M13: 8,584,674 km (0.062 R)
• M14: 10,438,191 km (0.093 R)
• M15: 10,852,727 km (0.101 R)
• M16: 11,678,208 km (0.082 R)
• M17: 12,817,097 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.6

Radius: 14.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.28 AU - 2.64 AU

Year: 2663 Days

Day: 5.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,302,598 km

• M1: 179,817 km (0.105 R)
• M2: 659,128 km (0.049 R)
• M3: 1,210,396 km (0.099 R)
• M4: 1,728,903 km (0.094 R)
• M5: 2,237,535 km (0.059 R)
• M6: 2,742,129 km (0.118 R)
• M7: 3,771,512 km (0.074 R)
• M8: 4,716,522 km (0.115 R)
• M9: 5,409,908 km (0.04 R)
• M10: 6,057,667 km (0.109 R)
• M11: 6,781,122 km (0.118 R)
• M12: 9,004,595 km (0.106 R)
• M13: 9,822,895 km (0.103 R)
• M14: 10,591,529 km (0.113 R)
• M15: 11,058,125 km (0.11 R)
• M16: 11,538,484 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 11.2

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.65 AU - 4.37 AU

Year: 5543 Days

Day: 11 Hours

Environment

Temp: -215 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,302,598 km

• M1: 140,173 km (0.113 R)
• M2: 525,537 km (0.114 R)
• M3: 1,104,182 km (0.044 R)
• M4: 1,629,869 km (0.113 R)
• M5: 2,426,627 km (0.111 R)
• M6: 3,287,712 km (0.067 R)
• M7: 4,484,795 km (0.118 R)
• M8: 5,523,752 km (0.112 R)
• M9: 7,072,838 km (0.06 R)
• M10: 7,718,203 km (0.08 R)
• M11: 10,142,287 km (0.08 R)
• M12: 11,141,900 km (0.094 R)
• M13: 13,953,442 km (0.093 R)
• M14: 16,205,788 km (0.096 R)
• M15: 16,672,084 km (0.073 R)
• M16: 21,419,274 km (0.073 R)
• M17: 25,248,530 km (0.118 R)
• M18: 27,736,343 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.3

Radius: 11.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.02 AU - 5.78 AU

Year: 8662 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,302,598 km

• M1: 142,567 km (0.069 R)
• M2: 635,043 km (0.069 R)
• M3: 1,412,802 km (0.12 R)
• M4: 2,512,945 km (0.102 R)
• M5: 2,894,120 km (0.097 R)
• M6: 3,360,567 km (0.072 R)
• M7: 4,389,351 km (0.083 R)
• M8: 4,795,509 km (0.086 R)
• M9: 5,290,379 km (0.116 R)
• M10: 5,785,099 km (0.075 R)
• M11: 6,456,046 km (0.109 R)
• M12: 7,868,998 km (0.084 R)
• M13: 9,103,180 km (0.107 R)
• M14: 10,011,389 km (0.088 R)
• M15: 12,007,922 km (0.09 R)
• M16: 12,806,326 km (0.089 R)
• M17: 14,892,767 km (0.096 R)
• M18: 15,283,218 km (0.08 R)
• M19: 15,747,270 km (0.032 R)
• M20: 17,125,515 km (0.096 R)
• M21: 18,657,547 km (0.098 R)
• M22: 21,002,045 km (0.093 R)
• M23: 23,013,987 km (0.032 R)
• M24: 23,536,532 km (0.099 R)
• M25: 28,700,950 km (0.066 R)
• M26: 29,714,775 km (0.114 R)
• M27: 30,647,517 km (0.113 R)
• M28: 35,722,176 km (0.084 R)
• M29: 38,947,656 km (0.108 R)
• M30: 43,147,467 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.8

Radius: 5.4

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.62 AU - 6.96 AU

Year: 10889 Days

Day: 23 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,302,598 km

• M1: 85,869 km (0.039 R)
• M2: 857,345 km (0.052 R)
• M3: 1,086,679 km (0.09 R)
• M4: 1,970,204 km (0.096 R)
• M5: 2,189,664 km (0.117 R)
• M6: 3,007,665 km (0.077 R)
• M7: 3,678,911 km (0.099 R)
• M8: 3,891,340 km (0.089 R)
• M9: 4,445,151 km (0.115 R)
• M10: 6,355,067 km (0.081 R)
• M11: 6,558,221 km (0.053 R)
• M12: 6,906,485 km (0.11 R)
• M13: 7,716,109 km (0.117 R)
• M14: 8,424,155 km (0.102 R)
• M15: 11,000,380 km (0.1 R)
• M16: 14,813,480 km (0.064 R)
• M17: 16,153,279 km (0.086 R)
• M18: 16,981,901 km (0.064 R)
• M19: 20,214,263 km (0.048 R)
• M20: 21,175,878 km (0.11 R)
• M21: 26,271,032 km (0.062 R)
• M22: 27,504,616 km (0.079 R)
• M23: 30,372,706 km (0.119 R)
• M24: 32,926,791 km (0.11 R)
• M25: 35,302,554 km (0.088 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 19,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit