🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.7 AU - 1 AU

Year: 286 Days

Day: 26.5 Hours

Environment

Temp: 137 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,678,306 km

• M1: 98,735 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.88 AU - 1.34 AU

Year: 427 Days

Day: 41.9 Hours

Environment

Temp: 19 °C

Axial Tilt: 76.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,678,306 km

• M1: 1,014,274 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.48 AU - 1.48 AU

Year: 658 Days

Day: 42.8 Hours

Environment

Temp: -32 °C

Axial Tilt: 66.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.64 AU - 3.64 AU

Year: 2032 Days

Day: 44.9 Hours

Environment

Temp: -105 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,678,306 km

• M1: 56,099 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.4

Radius: 10

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.52 AU - 8.04 AU

Year: 7926 Days

Day: 11.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,678,306 km

• M1: 125,363 km (0.098 R)
• M2: 468,989 km (0.113 R)
• M3: 811,568 km (0.117 R)
• M4: 1,150,258 km (0.093 R)
• M5: 1,573,171 km (0.091 R)
• M6: 2,084,347 km (0.083 R)
• M7: 2,617,664 km (0.112 R)
• M8: 3,379,865 km (0.115 R)
• M9: 3,868,451 km (0.095 R)
• M10: 4,283,286 km (0.108 R)
• M11: 6,466,817 km (0.097 R)
• M12: 8,182,106 km (0.104 R)
• M13: 8,520,347 km (0.03 R)
• M14: 11,714,860 km (0.081 R)
• M15: 12,735,566 km (0.052 R)
• M16: 13,344,878 km (0.068 R)
• M17: 14,621,696 km (0.116 R)
• M18: 17,915,093 km (0.061 R)
• M19: 18,231,193 km (0.112 R)
• M20: 19,202,233 km (0.059 R)
• M21: 19,868,392 km (0.095 R)
• M22: 21,459,216 km (0.118 R)
• M23: 24,116,972 km (0.112 R)
• M24: 25,207,391 km (0.105 R)
• M25: 25,925,610 km (0.117 R)
• M26: 26,575,314 km (0.048 R)
• M27: 27,486,365 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.6

Radius: 12.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.89 AU - 13.37 AU

Year: 13562 Days

Day: 12.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,678,306 km

• M1: 162,014 km (0.089 R)
• M2: 585,975 km (0.066 R)
• M3: 1,074,412 km (0.059 R)
• M4: 1,483,562 km (0.075 R)
• M5: 2,560,218 km (0.109 R)
• M6: 3,978,107 km (0.11 R)
• M7: 5,015,717 km (0.118 R)
• M8: 5,521,209 km (0.1 R)
• M9: 6,565,402 km (0.051 R)
• M10: 7,208,373 km (0.063 R)
• M11: 10,444,475 km (0.072 R)
• M12: 12,729,133 km (0.063 R)
• M13: 15,638,213 km (0.114 R)
• M14: 16,397,423 km (0.076 R)
• M15: 18,823,302 km (0.035 R)
• M16: 19,249,656 km (0.068 R)
• M17: 22,338,552 km (0.088 R)
• M18: 23,628,834 km (0.114 R)
• M19: 29,480,504 km (0.119 R)
• M20: 35,579,161 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487

Radius: 5.9

Gravity: 13.99 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 12.1 AU - 18.34 AU

Year: 21688 Days

Day: 16.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,678,306 km

• M1: 79,137 km (0.095 R)
• M2: 450,589 km (0.099 R)
• M3: 637,736 km (0.096 R)
• M4: 825,481 km (0.117 R)
• M5: 1,595,312 km (0.064 R)
• M6: 2,311,437 km (0.095 R)
• M7: 2,838,320 km (0.116 R)
• M8: 3,249,864 km (0.057 R)
• M9: 3,910,189 km (0.096 R)
• M10: 4,972,484 km (0.088 R)
• M11: 5,648,068 km (0.094 R)
• M12: 6,256,482 km (0.033 R)
• M13: 6,997,740 km (0.064 R)
• M14: 7,602,863 km (0.117 R)
• M15: 7,893,681 km (0.077 R)
• M16: 8,191,979 km (0.084 R)
• M17: 8,970,337 km (0.055 R)
• M18: 9,571,870 km (0.092 R)
• M19: 10,375,809 km (0.118 R)
• M20: 13,615,201 km (0.092 R)
• M21: 14,556,322 km (0.041 R)
• M22: 16,326,364 km (0.073 R)
• M23: 19,828,749 km (0.068 R)
• M24: 24,423,947 km (0.092 R)
• M25: 26,246,797 km (0.091 R)
• M26: 28,854,736 km (0.106 R)
• M27: 30,161,025 km (0.043 R)
• M28: 30,402,626 km (0.058 R)
• M29: 32,256,592 km (0.112 R)
• M30: 35,243,463 km (0.099 R)
• M31: 37,705,844 km (0.082 R)
• M32: 46,578,045 km (0.061 R)
• M33: 56,378,501 km (0.072 R)
• M34: 58,228,428 km (0.07 R)
• M35: 60,693,502 km (0.098 R)
• M36: 61,465,726 km (0.084 R)
• M37: 64,820,757 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 17,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit