🌌 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: 608.5

Radius: 14.1

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.62 AU - 0.64 AU

Year: 339 Days

Day: 6.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,164,734 km

• M1: 175,329 km (0.04 R)
• M2: 646,113 km (0.056 R)
• M3: 1,102,088 km (0.107 R)
• M4: 1,612,665 km (0.073 R)
• M5: 2,106,936 km (0.047 R)
• M6: 2,629,631 km (0.116 R)
• M7: 3,378,518 km (0.097 R)
• M8: 3,845,712 km (0.109 R)
• M9: 4,474,323 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953

Radius: 13.5

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.75 AU - 1.05 AU

Year: 579 Days

Day: 14.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,164,734 km

• M1: 168,447 km (0.043 R)
• M2: 643,869 km (0.105 R)
• M3: 1,451,249 km (0.096 R)
• M4: 2,036,775 km (0.091 R)
• M5: 2,800,323 km (0.093 R)
• M6: 4,048,866 km (0.062 R)
• M7: 4,882,276 km (0.094 R)
• M8: 5,621,738 km (0.086 R)
• M9: 7,149,133 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.5

Radius: 13.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.87 AU - 1.19 AU

Year: 709 Days

Day: 12.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,164,734 km

• M1: 172,935 km (0.113 R)
• M2: 791,522 km (0.047 R)
• M3: 1,322,894 km (0.056 R)
• M4: 1,921,734 km (0.056 R)
• M5: 4,132,043 km (0.064 R)
• M6: 5,464,810 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 11

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.07 AU - 2.93 AU

Year: 2681 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 82.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,164,734 km

• M1: 136,732 km (0.113 R)
• M2: 516,412 km (0.115 R)
• M3: 930,648 km (0.096 R)
• M4: 1,553,723 km (0.092 R)
• M5: 2,319,814 km (0.09 R)
• M6: 3,001,382 km (0.099 R)
• M7: 4,609,559 km (0.089 R)
• M8: 5,409,010 km (0.088 R)
• M9: 7,282,424 km (0.091 R)
• M10: 7,757,547 km (0.09 R)
• M11: 8,169,091 km (0.086 R)
• M12: 11,791,304 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 14.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.26 AU - 3.28 AU

Year: 4011 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,164,734 km

• M1: 185,501 km (0.063 R)
• M2: 727,644 km (0.095 R)
• M3: 1,657,694 km (0.102 R)
• M4: 2,183,531 km (0.027 R)
• M5: 2,772,049 km (0.093 R)
• M6: 3,370,889 km (0.113 R)
• M7: 4,570,664 km (0.085 R)
• M8: 5,231,138 km (0.114 R)
• M9: 5,706,261 km (0.114 R)
• M10: 6,355,815 km (0.102 R)
• M11: 7,054,288 km (0.099 R)
• M12: 7,702,794 km (0.107 R)
• M13: 11,085,801 km (0.114 R)
• M14: 12,794,507 km (0.054 R)
• M15: 13,564,338 km (0.052 R)
• M16: 15,463,184 km (0.095 R)
• M17: 17,533,768 km (0.086 R)
• M18: 20,487,877 km (0.033 R)
• M19: 21,609,412 km (0.05 R)
• M20: 23,191,410 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 13.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.47 AU - 5.51 AU

Year: 7560 Days

Day: 14.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,164,734 km

• M1: 167,849 km (0.064 R)
• M2: 1,027,737 km (0.11 R)
• M3: 2,124,888 km (0.118 R)
• M4: 2,916,560 km (0.077 R)
• M5: 3,381,959 km (0.113 R)
• M6: 3,971,375 km (0.097 R)
• M7: 5,176,386 km (0.073 R)
• M8: 7,461,194 km (0.097 R)
• M9: 8,676,826 km (0.083 R)
• M10: 10,546,351 km (0.111 R)
• M11: 11,810,602 km (0.069 R)
• M12: 12,506,831 km (0.082 R)
• M13: 14,040,508 km (0.087 R)
• M14: 18,312,724 km (0.103 R)
• M15: 19,687,529 km (0.118 R)
• M16: 20,286,518 km (0.088 R)
• M17: 21,521,150 km (0.091 R)
• M18: 23,633,322 km (0.05 R)
• M19: 27,424,581 km (0.093 R)
• M20: 29,610,505 km (0.114 R)
• M21: 30,298,206 km (0.093 R)
• M22: 32,633,130 km (0.11 R)
• M23: 34,004,793 km (0.101 R)
• M24: 35,194,993 km (0.11 R)
• M25: 38,234,373 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.8

Radius: 3.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.78 AU - 10.4 AU

Year: 21738 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,164,734 km

• M1: 43,982 km (0.115 R)
• M2: 204,500 km (0.102 R)
• M3: 1,326,036 km (0.082 R)
• M4: 1,831,676 km (0.11 R)
• M5: 2,421,092 km (0.043 R)
• M6: 3,147,539 km (0.08 R)
• M7: 4,104,816 km (0.035 R)
• M8: 6,571,685 km (0.049 R)
• M9: 7,734,060 km (0.11 R)
• M10: 7,959,205 km (0.029 R)
• M11: 9,616,450 km (0.116 R)
• M12: 10,825,052 km (0.082 R)
• M13: 21,267,581 km (0.111 R)
• M14: 24,168,733 km (0.097 R)
• M15: 26,383,230 km (0.091 R)
• M16: 27,496,238 km (0.088 R)
• M17: 27,932,466 km (0.114 R)
• M18: 29,723,601 km (0.043 R)
• M19: 31,972,356 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 12,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit