🌌 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: 671.3

Radius: 10

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.59 AU - 0.83 AU

Year: 386 Days

Day: 11.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,767,333 km

• M1: 124,316 km (0.077 R)
• M2: 457,021 km (0.045 R)
• M3: 1,063,042 km (0.054 R)
• M4: 1,403,677 km (0.085 R)
• M5: 2,192,506 km (0.119 R)
• M6: 2,579,815 km (0.089 R)
• M7: 2,928,678 km (0.087 R)
• M8: 3,275,296 km (0.091 R)
• M9: 3,910,189 km (0.107 R)
• M10: 4,596,544 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.7

Radius: 8.7

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.87 AU - 1.29 AU

Year: 725 Days

Day: 11.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,767,333 km

• M1: 108,159 km (0.1 R)
• M2: 452,534 km (0.097 R)
• M3: 765,343 km (0.047 R)
• M4: 1,472,043 km (0.082 R)
• M5: 2,049,042 km (0.111 R)
• M6: 2,759,183 km (0.083 R)
• M7: 3,431,027 km (0.114 R)
• M8: 3,786,771 km (0.117 R)
• M9: 4,059,637 km (0.118 R)
• M10: 4,458,166 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.1

Radius: 11.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.97 AU - 1.23 AU

Year: 745 Days

Day: 11.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,767,333 km

• M1: 145,708 km (0.107 R)
• M2: 520,750 km (0.111 R)
• M3: 927,208 km (0.109 R)
• M4: 1,433,447 km (0.102 R)
• M5: 1,923,380 km (0.113 R)
• M6: 2,405,085 km (0.08 R)
• M7: 2,998,241 km (0.083 R)
• M8: 3,567,161 km (0.12 R)
• M9: 5,286,340 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.6

Radius: 12.4

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.1 AU - 2.46 AU

Year: 2223 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,767,333 km

• M1: 155,731 km (0.091 R)
• M2: 865,124 km (0.056 R)
• M3: 1,285,644 km (0.067 R)
• M4: 2,735,397 km (0.091 R)
• M5: 4,744,496 km (0.105 R)
• M6: 5,372,209 km (0.119 R)
• M7: 6,316,920 km (0.033 R)
• M8: 7,125,795 km (0.096 R)
• M9: 10,714,199 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 11.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.06 AU - 4.8 AU

Year: 5030 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,767,333 km

• M1: 151,543 km (0.089 R)
• M2: 526,884 km (0.07 R)
• M3: 1,130,960 km (0.078 R)
• M4: 2,098,110 km (0.104 R)
• M5: 2,542,565 km (0.082 R)
• M6: 2,955,605 km (0.095 R)
• M7: 3,937,865 km (0.116 R)
• M8: 4,310,064 km (0.118 R)
• M9: 5,194,636 km (0.092 R)
• M10: 5,692,648 km (0.062 R)
• M11: 6,144,733 km (0.063 R)
• M12: 6,757,186 km (0.064 R)
• M13: 8,809,220 km (0.109 R)
• M14: 10,049,686 km (0.051 R)
• M15: 10,863,049 km (0.09 R)
• M16: 11,325,008 km (0.037 R)
• M17: 12,370,996 km (0.086 R)
• M18: 13,879,242 km (0.117 R)
• M19: 14,608,232 km (0.107 R)
• M20: 15,458,546 km (0.071 R)
• M21: 16,643,362 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.6

Radius: 5.4

Gravity: 19.09 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.47 AU - 8.19 AU

Year: 12814 Days

Day: 17.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,767,333 km

• M1: 70,012 km (0.094 R)
• M2: 287,078 km (0.032 R)
• M3: 583,581 km (0.038 R)
• M4: 870,959 km (0.108 R)
• M5: 1,433,896 km (0.095 R)
• M6: 1,637,199 km (0.108 R)
• M7: 1,893,011 km (0.096 R)
• M8: 2,212,403 km (0.117 R)
• M9: 2,608,837 km (0.041 R)
• M10: 3,051,198 km (0.114 R)
• M11: 3,266,021 km (0.09 R)
• M12: 5,230,241 km (0.109 R)
• M13: 6,975,898 km (0.052 R)
• M14: 7,182,044 km (0.078 R)
• M15: 7,392,080 km (0.112 R)
• M16: 7,693,071 km (0.089 R)
• M17: 11,737,299 km (0.039 R)
• M18: 12,749,030 km (0.079 R)
• M19: 13,433,889 km (0.101 R)
• M20: 15,846,603 km (0.049 R)
• M21: 16,419,413 km (0.063 R)
• M22: 16,784,432 km (0.099 R)
• M23: 19,088,987 km (0.075 R)
• M24: 22,300,106 km (0.094 R)
• M25: 25,560,143 km (0.038 R)
• M26: 26,149,259 km (0.103 R)
• M27: 26,646,971 km (0.116 R)
• M28: 26,948,560 km (0.092 R)
• M29: 27,558,770 km (0.097 R)
• M30: 28,491,214 km (0.072 R)
• M31: 33,006,227 km (0.069 R)
• M32: 34,412,597 km (0.073 R)
• M33: 47,131,408 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 20,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit