🌌 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: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 10.8

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.55 AU - 0.73 AU

Year: 341 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,697,402 km

• M1: 134,339 km (0.084 R)
• M2: 490,382 km (0.062 R)
• M3: 833,859 km (0.049 R)
• M4: 1,347,727 km (0.061 R)
• M5: 1,814,173 km (0.082 R)
• M6: 2,351,679 km (0.059 R)
• M7: 2,731,358 km (0.082 R)
• M8: 3,498,496 km (0.09 R)
• M9: 4,176,922 km (0.111 R)
• M10: 4,809,871 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.4

Radius: 12.6

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.75 AU - 0.75 AU

Year: 433 Days

Day: 5.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,697,402 km

• M1: 156,629 km (0.086 R)
• M2: 684,560 km (0.092 R)
• M3: 1,137,243 km (0.105 R)
• M4: 1,563,148 km (0.095 R)
• M5: 1,990,100 km (0.032 R)
• M6: 2,408,526 km (0.095 R)
• M7: 2,828,148 km (0.094 R)
• M8: 3,232,810 km (0.034 R)
• M9: 3,913,181 km (0.088 R)
• M10: 4,484,645 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.7

Radius: 9.3

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.52 AU - 2.74 AU

Year: 2844 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,697,402 km

• M1: 115,789 km (0.086 R)
• M2: 1,028,485 km (0.069 R)
• M3: 1,441,824 km (0.032 R)
• M4: 1,834,219 km (0.097 R)
• M5: 2,164,831 km (0.094 R)
• M6: 2,852,532 km (0.084 R)
• M7: 3,369,692 km (0.068 R)
• M8: 3,850,500 km (0.046 R)
• M9: 4,813,311 km (0.044 R)
• M10: 5,112,657 km (0.096 R)
• M11: 5,954,893 km (0.083 R)
• M12: 6,300,314 km (0.108 R)
• M13: 7,601,068 km (0.095 R)
• M14: 8,298,343 km (0.098 R)
• M15: 11,932,525 km (0.099 R)
• M16: 13,273,071 km (0.099 R)
• M17: 13,589,171 km (0.073 R)
• M18: 14,567,841 km (0.112 R)
• M19: 15,001,375 km (0.083 R)
• M20: 18,616,557 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.9

Radius: 11.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.41 AU - 2.91 AU

Year: 2893 Days

Day: 11.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,697,402 km

• M1: 144,212 km (0.109 R)
• M2: 531,671 km (0.041 R)
• M3: 1,465,461 km (0.115 R)
• M4: 2,367,835 km (0.118 R)
• M5: 3,389,888 km (0.062 R)
• M6: 4,422,562 km (0.038 R)
• M7: 5,331,967 km (0.056 R)
• M8: 5,891,463 km (0.072 R)
• M9: 6,438,543 km (0.117 R)
• M10: 7,238,891 km (0.075 R)
• M11: 8,781,844 km (0.081 R)
• M12: 9,630,812 km (0.111 R)
• M13: 12,031,858 km (0.1 R)
• M14: 12,709,985 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.2

Radius: 9.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.08 AU - 3.26 AU

Year: 2909 Days

Day: 8 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,697,402 km

• M1: 119,379 km (0.115 R)
• M2: 832,961 km (0.041 R)
• M3: 1,232,387 km (0.096 R)
• M4: 1,890,468 km (0.028 R)
• M5: 2,507,709 km (0.038 R)
• M6: 3,286,964 km (0.112 R)
• M7: 4,319,190 km (0.08 R)
• M8: 7,527,466 km (0.065 R)
• M9: 9,234,976 km (0.082 R)
• M10: 11,457,851 km (0.063 R)

Asteroid Belt

Center: 3.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 13.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.63 AU - 5.95 AU

Year: 6991 Days

Day: 12.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,697,402 km

• M1: 167,849 km (0.06 R)
• M2: 917,633 km (0.052 R)
• M3: 1,540,858 km (0.069 R)
• M4: 2,303,658 km (0.05 R)
• M5: 2,976,698 km (0.075 R)
• M6: 3,801,581 km (0.055 R)
• M7: 4,829,468 km (0.104 R)
• M8: 5,591,819 km (0.098 R)
• M9: 6,743,573 km (0.119 R)
• M10: 8,573,005 km (0.072 R)
• M11: 9,782,205 km (0.111 R)
• M12: 12,915,532 km (0.11 R)
• M13: 14,268,047 km (0.108 R)
• M14: 18,335,463 km (0.117 R)
• M15: 19,104,994 km (0.119 R)
• M16: 22,717,484 km (0.115 R)
• M17: 24,099,469 km (0.066 R)
• M18: 24,684,397 km (0.059 R)
• M19: 26,762,461 km (0.045 R)
• M20: 27,661,843 km (0.106 R)
• M21: 32,973,016 km (0.086 R)
• M22: 34,111,306 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.7

Radius: 7.7

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.35 AU - 9.81 AU

Year: 18246 Days

Day: 24.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,697,402 km

• M1: 99,183 km (0.098 R)
• M2: 401,820 km (0.067 R)
• M3: 797,207 km (0.115 R)
• M4: 1,330,673 km (0.088 R)
• M5: 1,646,474 km (0.059 R)
• M6: 4,917,132 km (0.086 R)
• M7: 5,453,291 km (0.12 R)
• M8: 6,516,184 km (0.034 R)
• M9: 8,067,215 km (0.07 R)
• M10: 8,928,599 km (0.047 R)
• M11: 9,242,156 km (0.106 R)
• M12: 11,417,160 km (0.088 R)
• M13: 13,345,925 km (0.107 R)
• M14: 13,964,512 km (0.114 R)
• M15: 15,594,531 km (0.101 R)
• M16: 22,729,751 km (0.103 R)
• M17: 23,686,130 km (0.112 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: 478 - 12,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit