🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 10.3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.64 AU - 0.78 AU

Year: 386 Days

Day: 11.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 76.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,229,036 km

• M1: 128,056 km (0.104 R)
• M2: 477,965 km (0.051 R)
• M3: 1,093,860 km (0.07 R)
• M4: 2,195,798 km (0.11 R)
• M5: 2,592,681 km (0.089 R)
• M6: 2,926,583 km (0.09 R)
• M7: 3,812,203 km (0.108 R)
• M8: 4,195,173 km (0.119 R)
• M9: 4,603,725 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.7

Radius: 8.7

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.07 AU - 1.13 AU

Year: 745 Days

Day: 10.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,229,036 km

• M1: 108,159 km (0.044 R)
• M2: 508,334 km (0.053 R)
• M3: 943,813 km (0.076 R)
• M4: 1,373,159 km (0.083 R)
• M5: 1,782,907 km (0.075 R)
• M6: 2,381,000 km (0.074 R)
• M7: 3,150,980 km (0.082 R)
• M8: 3,485,331 km (0.102 R)
• M9: 3,767,323 km (0.068 R)
• M10: 4,475,968 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278

Radius: 8.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.13 AU - 1.31 AU

Year: 870 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,229,036 km

• M1: 107,411 km (0.093 R)
• M2: 427,102 km (0.096 R)
• M3: 1,211,593 km (0.097 R)
• M4: 1,695,093 km (0.057 R)
• M5: 2,678,550 km (0.087 R)
• M6: 4,290,916 km (0.061 R)
• M7: 4,766,787 km (0.062 R)
• M8: 5,092,162 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 13.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.09 AU - 1.59 AU

Year: 1002 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,229,036 km

• M1: 171,589 km (0.085 R)
• M2: 677,230 km (0.067 R)
• M3: 1,121,984 km (0.068 R)
• M4: 2,103,795 km (0.084 R)
• M5: 2,841,911 km (0.061 R)
• M6: 3,733,963 km (0.069 R)
• M7: 4,550,917 km (0.062 R)
• M8: 5,086,178 km (0.052 R)
• M9: 5,537,515 km (0.03 R)
• M10: 6,264,860 km (0.109 R)
• M11: 6,846,347 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.1

Radius: 11.8

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.73 AU - 1.89 AU

Year: 1572 Days

Day: 14.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,229,036 km

• M1: 146,756 km (0.082 R)
• M2: 571,763 km (0.098 R)
• M3: 941,569 km (0.099 R)
• M4: 1,339,948 km (0.026 R)
• M5: 2,129,526 km (0.114 R)
• M6: 2,701,588 km (0.041 R)
• M7: 3,237,448 km (0.081 R)
• M8: 3,611,592 km (0.116 R)
• M9: 3,997,554 km (0.117 R)
• M10: 4,392,493 km (0.103 R)
• M11: 4,912,944 km (0.116 R)
• M12: 6,032,085 km (0.114 R)
• M13: 6,850,984 km (0.09 R)
• M14: 7,633,830 km (0.106 R)
• M15: 8,769,427 km (0.078 R)
• M16: 9,629,017 km (0.104 R)
• M17: 10,476,638 km (0.057 R)
• M18: 12,208,682 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628

Radius: 12.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.78 AU - 2.16 AU

Year: 1785 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,229,036 km

• M1: 159,771 km (0.036 R)
• M2: 602,730 km (0.048 R)
• M3: 1,498,971 km (0.092 R)
• M4: 2,085,095 km (0.102 R)
• M5: 2,615,569 km (0.062 R)
• M6: 3,329,600 km (0.108 R)
• M7: 4,493,022 km (0.091 R)
• M8: 4,956,925 km (0.045 R)
• M9: 5,565,041 km (0.105 R)
• M10: 6,053,328 km (0.119 R)
• M11: 6,646,484 km (0.112 R)
• M12: 7,608,697 km (0.065 R)
• M13: 8,330,208 km (0.089 R)
• M14: 9,255,471 km (0.097 R)
• M15: 10,841,507 km (0.066 R)
• M16: 12,250,869 km (0.025 R)
• M17: 13,161,321 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.2

Radius: 12.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.9 AU - 2.52 AU

Year: 2121 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,229,036 km

• M1: 151,692 km (0.11 R)
• M2: 576,999 km (0.114 R)
• M3: 1,006,794 km (0.093 R)
• M4: 2,371,425 km (0.119 R)
• M5: 3,127,194 km (0.109 R)
• M6: 4,147,003 km (0.085 R)
• M7: 4,784,888 km (0.071 R)
• M8: 5,332,715 km (0.112 R)
• M9: 7,559,629 km (0.112 R)
• M10: 8,848,714 km (0.038 R)
• M11: 9,384,274 km (0.079 R)
• M12: 9,908,017 km (0.098 R)
• M13: 10,347,834 km (0.104 R)
• M14: 11,858,773 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 13.3

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.37 AU - 3.19 AU

Year: 2993 Days

Day: 11.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,229,036 km

• M1: 165,904 km (0.048 R)
• M2: 710,590 km (0.11 R)
• M3: 3,260,934 km (0.104 R)
• M4: 4,303,183 km (0.12 R)
• M5: 5,987,505 km (0.092 R)
• M6: 8,076,191 km (0.087 R)
• M7: 11,322,165 km (0.109 R)
• M8: 12,742,896 km (0.109 R)
• M9: 13,400,678 km (0.119 R)
• M10: 14,279,416 km (0.118 R)
• M11: 15,300,571 km (0.069 R)
• M12: 19,382,947 km (0.095 R)
• M13: 20,127,496 km (0.075 R)
• M14: 23,159,845 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 14,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit