🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.57 AU - 0.93 AU

Year: 237 Days

Day: 42.6 Hours

Environment

Temp: 126 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.15 AU - 1.35 AU

Year: 510 Days

Day: 13 Hours

Environment

Temp: 10 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.72 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.8

Radius: 13.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.5 AU - 6.88 AU

Year: 5625 Days

Day: 8.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,200,009 km

• M1: 167,250 km (0.097 R)
• M2: 626,067 km (0.089 R)
• M3: 1,096,403 km (0.06 R)
• M4: 1,526,347 km (0.082 R)
• M5: 1,958,087 km (0.111 R)
• M6: 3,134,973 km (0.107 R)
• M7: 3,778,693 km (0.114 R)
• M8: 4,948,847 km (0.101 R)
• M9: 5,735,582 km (0.087 R)
• M10: 8,525,583 km (0.094 R)
• M11: 8,958,668 km (0.108 R)
• M12: 10,347,386 km (0.096 R)
• M13: 11,730,119 km (0.091 R)
• M14: 16,739,403 km (0.096 R)
• M15: 19,237,987 km (0.086 R)
• M16: 21,178,720 km (0.098 R)
• M17: 22,270,485 km (0.1 R)
• M18: 23,246,761 km (0.078 R)
• M19: 24,487,376 km (0.105 R)
• M20: 29,089,456 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.3

Radius: 13

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.21 AU - 9.17 AU

Year: 9357 Days

Day: 6.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,200,009 km

• M1: 580,290 km (0.117 R)
• M2: 1,580,352 km (0.083 R)
• M3: 2,223,024 km (0.102 R)
• M4: 3,531,258 km (0.116 R)
• M5: 4,886,614 km (0.117 R)
• M6: 5,909,265 km (0.106 R)
• M7: 8,597,539 km (0.116 R)
• M8: 12,677,971 km (0.095 R)
• M9: 14,442,029 km (0.112 R)
• M10: 14,867,186 km (0.067 R)
• M11: 20,913,483 km (0.118 R)
• M12: 23,880,607 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.9

Radius: 15

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.42 AU - 10.42 AU

Year: 10560 Days

Day: 10.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,200,009 km

• M1: 186,848 km (0.066 R)
• M2: 1,378,395 km (0.053 R)
• M3: 2,615,270 km (0.053 R)
• M4: 3,877,726 km (0.06 R)
• M5: 5,515,823 km (0.091 R)
• M6: 6,237,034 km (0.081 R)
• M7: 8,649,300 km (0.099 R)
• M8: 11,466,677 km (0.098 R)
• M9: 12,877,534 km (0.116 R)
• M10: 21,381,575 km (0.091 R)
• M11: 29,204,197 km (0.05 R)
• M12: 36,102,753 km (0.074 R)
• M13: 41,133,281 km (0.047 R)

Asteroid Belt

Center: 9.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 9.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.6 AU - 11.76 AU

Year: 11863 Days

Day: 5.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,200,009 km

• M1: 114,442 km (0.117 R)
• M2: 410,796 km (0.094 R)
• M3: 1,185,563 km (0.09 R)
• M4: 1,911,113 km (0.115 R)
• M5: 2,409,573 km (0.112 R)
• M6: 4,298,844 km (0.074 R)
• M7: 5,220,218 km (0.031 R)
• M8: 5,610,219 km (0.082 R)
• M9: 7,612,288 km (0.05 R)
• M10: 10,501,023 km (0.096 R)
• M11: 12,160,661 km (0.115 R)
• M12: 12,616,037 km (0.089 R)
• M13: 14,742,721 km (0.112 R)
• M14: 16,263,981 km (0.042 R)
• M15: 17,027,379 km (0.084 R)
• M16: 19,002,221 km (0.118 R)
• M17: 20,400,811 km (0.075 R)
• M18: 25,558,198 km (0.11 R)
• M19: 27,551,141 km (0.091 R)
• M20: 30,574,663 km (0.093 R)
• M21: 37,991,277 km (0.108 R)
• M22: 39,210,350 km (0.05 R)
• M23: 42,762,402 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.3

Radius: 6.7

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 12.99 AU - 14.07 AU

Year: 18178 Days

Day: 16.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,200,009 km

• M1: 83,326 km (0.054 R)
• M2: 292,464 km (0.065 R)
• M3: 555,008 km (0.104 R)
• M4: 800,648 km (0.049 R)
• M5: 2,170,067 km (0.084 R)
• M6: 5,485,305 km (0.042 R)
• M7: 5,697,734 km (0.069 R)
• M8: 7,269,858 km (0.077 R)
• M9: 8,293,257 km (0.104 R)
• M10: 11,097,170 km (0.096 R)
• M11: 13,852,314 km (0.08 R)
• M12: 16,335,788 km (0.108 R)
• M13: 16,713,224 km (0.038 R)
• M14: 18,552,230 km (0.078 R)
• M15: 20,232,214 km (0.088 R)
• M16: 21,183,507 km (0.073 R)
• M17: 21,935,237 km (0.062 R)
• M18: 23,571,538 km (0.093 R)
• M19: 24,542,129 km (0.078 R)
• M20: 26,047,832 km (0.047 R)
• M21: 26,649,514 km (0.11 R)
• M22: 28,692,273 km (0.069 R)
• M23: 31,220,627 km (0.084 R)
• M24: 33,893,941 km (0.116 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 11,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit