🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.5

Radius: 9.8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.5 AU - 0.62 AU

Year: 295 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,151,704 km

• M1: 121,922 km (0.063 R)
• M2: 431,889 km (0.111 R)
• M3: 788,979 km (0.1 R)
• M4: 1,279,810 km (0.09 R)
• M5: 1,694,495 km (0.119 R)
• M6: 2,340,758 km (0.072 R)
• M7: 3,274,697 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 8.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.61 AU - 0.77 AU

Year: 403 Days

Day: 10.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,151,704 km

• M1: 108,159 km (0.112 R)
• M2: 614,099 km (0.105 R)
• M3: 1,022,801 km (0.056 R)
• M4: 1,345,483 km (0.064 R)
• M5: 1,797,269 km (0.072 R)
• M6: 2,159,595 km (0.092 R)
• M7: 2,815,731 km (0.118 R)
• M8: 3,104,006 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671

Radius: 14.4

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.25 AU - 1.81 AU

Year: 1330 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,151,704 km

• M1: 179,218 km (0.088 R)
• M2: 793,318 km (0.031 R)
• M3: 1,323,193 km (0.078 R)
• M4: 1,829,732 km (0.067 R)
• M5: 2,564,556 km (0.11 R)
• M6: 3,505,826 km (0.087 R)
• M7: 4,283,436 km (0.096 R)
• M8: 5,153,497 km (0.053 R)
• M9: 5,981,072 km (0.1 R)
• M10: 6,580,810 km (0.079 R)
• M11: 7,477,500 km (0.113 R)
• M12: 8,064,672 km (0.107 R)
• M13: 9,668,510 km (0.067 R)
• M14: 10,301,609 km (0.068 R)
• M15: 11,097,768 km (0.078 R)
• M16: 11,827,806 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.9

Radius: 13.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.76 AU - 2.18 AU

Year: 1944 Days

Day: 7.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,151,704 km

• M1: 169,644 km (0.088 R)
• M2: 649,105 km (0.116 R)
• M3: 1,133,503 km (0.108 R)
• M4: 1,639,892 km (0.055 R)
• M5: 2,115,314 km (0.067 R)
• M6: 2,711,461 km (0.12 R)
• M7: 4,245,588 km (0.069 R)
• M8: 4,686,452 km (0.106 R)
• M9: 6,581,858 km (0.063 R)
• M10: 8,944,756 km (0.036 R)
• M11: 9,504,850 km (0.113 R)
• M12: 11,026,709 km (0.065 R)
• M13: 15,278,580 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.7

Radius: 14.2

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.79 AU - 2.89 AU

Year: 2516 Days

Day: 6.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,151,704 km

• M1: 193,131 km (0.037 R)
• M2: 1,021,454 km (0.109 R)
• M3: 2,775,639 km (0.068 R)
• M4: 6,305,849 km (0.073 R)
• M5: 6,986,221 km (0.06 R)
• M6: 8,380,024 km (0.106 R)
• M7: 10,539,918 km (0.104 R)
• M8: 12,295,000 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.4

Radius: 9.3

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.08 AU - 2.98 AU

Year: 2829 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,151,704 km

• M1: 115,639 km (0.116 R)
• M2: 481,705 km (0.071 R)
• M3: 903,122 km (0.084 R)
• M4: 1,410,558 km (0.118 R)
• M5: 1,943,276 km (0.053 R)
• M6: 2,382,645 km (0.101 R)
• M7: 2,721,484 km (0.067 R)
• M8: 3,749,371 km (0.095 R)
• M9: 4,622,873 km (0.111 R)
• M10: 5,457,480 km (0.069 R)
• M11: 6,024,905 km (0.098 R)
• M12: 6,415,804 km (0.084 R)
• M13: 9,750,340 km (0.083 R)
• M14: 10,623,543 km (0.048 R)
• M15: 11,587,552 km (0.061 R)
• M16: 12,234,563 km (0.063 R)
• M17: 12,820,089 km (0.098 R)
• M18: 14,228,852 km (0.07 R)
• M19: 15,303,264 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.6

Radius: 8

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.15 AU - 4.59 AU

Year: 6421 Days

Day: 9 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,151,704 km

• M1: 99,483 km (0.078 R)
• M2: 405,560 km (0.102 R)
• M3: 1,046,587 km (0.06 R)
• M4: 1,353,262 km (0.117 R)
• M5: 1,814,772 km (0.07 R)
• M6: 2,311,437 km (0.094 R)
• M7: 2,745,719 km (0.09 R)
• M8: 3,012,153 km (0.105 R)
• M9: 4,157,026 km (0.112 R)
• M10: 6,124,387 km (0.095 R)
• M11: 7,132,228 km (0.102 R)
• M12: 7,418,708 km (0.106 R)
• M13: 7,825,315 km (0.06 R)
• M14: 8,642,718 km (0.093 R)
• M15: 10,863,349 km (0.118 R)
• M16: 11,879,268 km (0.051 R)
• M17: 14,838,912 km (0.115 R)
• M18: 15,664,094 km (0.115 R)
• M19: 17,992,136 km (0.068 R)
• M20: 19,480,485 km (0.1 R)
• M21: 20,541,284 km (0.11 R)
• M22: 21,939,575 km (0.106 R)
• M23: 23,636,763 km (0.092 R)
• M24: 25,171,338 km (0.118 R)
• M25: 26,174,092 km (0.049 R)
• M26: 30,172,095 km (0.117 R)
• M27: 33,052,602 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 14,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit