🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.3

Radius: 14.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.58 AU - 0.76 AU

Year: 366 Days

Day: 7.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,985,612 km

• M1: 175,329 km (0.104 R)
• M2: 625,618 km (0.049 R)
• M3: 1,571,974 km (0.087 R)
• M4: 2,665,834 km (0.105 R)
• M5: 3,279,933 km (0.067 R)
• M6: 4,140,869 km (0.113 R)
• M7: 4,583,529 km (0.059 R)
• M8: 5,284,545 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.7

Radius: 10.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.62 AU - 0.98 AU

Year: 477 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,985,612 km

• M1: 129,402 km (0.098 R)
• M2: 455,077 km (0.086 R)
• M3: 819,048 km (0.066 R)
• M4: 1,368,222 km (0.102 R)
• M5: 1,997,730 km (0.036 R)
• M6: 2,754,246 km (0.111 R)
• M7: 3,137,067 km (0.056 R)
• M8: 3,819,533 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 8.8

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.89 AU - 0.97 AU

Year: 598 Days

Day: 12.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,985,612 km

• M1: 109,506 km (0.116 R)
• M2: 431,739 km (0.085 R)
• M3: 725,101 km (0.09 R)
• M4: 1,181,823 km (0.114 R)
• M5: 1,509,742 km (0.114 R)
• M6: 2,303,358 km (0.055 R)
• M7: 2,665,984 km (0.069 R)
• M8: 2,948,125 km (0.085 R)
• M9: 3,377,022 km (0.119 R)
• M10: 3,749,521 km (0.082 R)
• M11: 4,405,956 km (0.109 R)
• M12: 4,901,275 km (0.111 R)
• M13: 6,098,806 km (0.09 R)
• M14: 6,592,180 km (0.116 R)
• M15: 6,879,856 km (0.092 R)
• M16: 7,370,986 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 13.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.79 AU - 1.29 AU

Year: 707 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,985,612 km

• M1: 169,195 km (0.038 R)
• M2: 741,856 km (0.115 R)
• M3: 1,280,109 km (0.103 R)
• M4: 1,751,043 km (0.067 R)
• M5: 2,501,127 km (0.088 R)
• M6: 3,229,519 km (0.11 R)
• M7: 3,773,457 km (0.117 R)
• M8: 4,263,689 km (0.052 R)
• M9: 4,983,853 km (0.097 R)
• M10: 5,627,722 km (0.073 R)
• M11: 6,141,890 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.1

Radius: 12.7

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.97 AU - 1.27 AU

Year: 790 Days

Day: 8.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,985,612 km

• M1: 157,975 km (0.066 R)
• M2: 637,287 km (0.11 R)
• M3: 1,109,268 km (0.097 R)
• M4: 1,633,010 km (0.116 R)
• M5: 2,039,767 km (0.099 R)
• M6: 2,756,341 km (0.066 R)
• M7: 3,300,727 km (0.07 R)
• M8: 4,641,124 km (0.098 R)
• M9: 6,380,648 km (0.082 R)
• M10: 7,062,515 km (0.074 R)
• M11: 7,480,492 km (0.077 R)
• M12: 8,340,530 km (0.097 R)
• M13: 9,320,396 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.4

Radius: 12.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.26 AU - 1.58 AU

Year: 1128 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,985,612 km

• M1: 157,975 km (0.104 R)
• M2: 592,258 km (0.058 R)
• M3: 1,181,524 km (0.031 R)
• M4: 1,819,858 km (0.101 R)
• M5: 2,291,690 km (0.09 R)
• M6: 2,834,132 km (0.118 R)
• M7: 3,686,092 km (0.06 R)
• M8: 4,374,691 km (0.083 R)
• M9: 4,814,807 km (0.084 R)
• M10: 5,459,873 km (0.078 R)
• M11: 6,534,884 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.1

Radius: 12

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.04 AU - 2.32 AU

Year: 2146 Days

Day: 7 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 17,985,612 km

• M1: 150,645 km (0.11 R)
• M2: 590,612 km (0.108 R)
• M3: 1,096,104 km (0.075 R)
• M4: 1,504,955 km (0.086 R)
• M5: 2,412,415 km (0.107 R)
• M6: 3,280,831 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.6

Radius: 12.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.06 AU - 6.48 AU

Year: 8068 Days

Day: 9.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,985,612 km

• M1: 155,731 km (0.046 R)
• M2: 546,930 km (0.09 R)
• M3: 987,346 km (0.108 R)
• M4: 2,357,513 km (0.071 R)
• M5: 2,916,560 km (0.109 R)
• M6: 8,327,216 km (0.109 R)
• M7: 9,114,400 km (0.067 R)
• M8: 13,591,715 km (0.104 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: 429 - 13,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit