🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.55 AU - 0.63 AU

Year: 297 Days

Day: 46.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,456,084 km

• M1: 61,784 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 10.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.8 AU - 1.14 AU

Year: 627 Days

Day: 9.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,456,084 km

• M1: 125,812 km (0.054 R)
• M2: 481,256 km (0.069 R)
• M3: 807,978 km (0.086 R)
• M4: 1,150,707 km (0.071 R)
• M5: 1,477,429 km (0.115 R)
• M6: 1,883,587 km (0.096 R)
• M7: 2,277,029 km (0.077 R)
• M8: 2,725,075 km (0.093 R)
• M9: 3,430,578 km (0.058 R)
• M10: 3,758,647 km (0.073 R)
• M11: 4,253,367 km (0.101 R)
• M12: 4,695,877 km (0.079 R)
• M13: 5,321,944 km (0.099 R)
• M14: 5,763,707 km (0.086 R)
• M15: 6,153,409 km (0.043 R)
• M16: 6,501,523 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 12.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.99 AU - 1.19 AU

Year: 747 Days

Day: 14.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,456,084 km

• M1: 157,975 km (0.053 R)
• M2: 633,098 km (0.119 R)
• M3: 1,063,790 km (0.087 R)
• M4: 1,596,209 km (0.087 R)
• M5: 2,047,546 km (0.073 R)
• M6: 2,759,482 km (0.106 R)
• M7: 3,643,456 km (0.055 R)
• M8: 4,068,763 km (0.108 R)
• M9: 4,468,040 km (0.061 R)
• M10: 5,132,853 km (0.119 R)
• M11: 5,791,981 km (0.114 R)
• M12: 6,243,766 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.4

Radius: 14.5

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.58 AU - 1.82 AU

Year: 1454 Days

Day: 11 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 13,456,084 km

• M1: 180,265 km (0.084 R)
• M2: 906,413 km (0.067 R)
• M3: 1,554,322 km (0.08 R)
• M4: 2,465,223 km (0.071 R)
• M5: 2,991,359 km (0.098 R)
• M6: 4,173,930 km (0.113 R)
• M7: 6,342,950 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614

Radius: 11.5

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.68 AU - 1.9 AU

Year: 1571 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,456,084 km

• M1: 145,260 km (0.087 R)
• M2: 559,197 km (0.084 R)
• M3: 1,087,726 km (0.097 R)
• M4: 1,652,458 km (0.082 R)
• M5: 2,014,934 km (0.098 R)
• M6: 3,362,212 km (0.058 R)
• M7: 3,816,092 km (0.118 R)
• M8: 4,384,714 km (0.113 R)
• M9: 4,768,432 km (0.044 R)
• M10: 5,625,778 km (0.115 R)
• M11: 6,268,300 km (0.12 R)
• M12: 6,857,566 km (0.112 R)
• M13: 7,456,556 km (0.084 R)
• M14: 9,308,578 km (0.114 R)
• M15: 11,165,387 km (0.06 R)
• M16: 12,331,053 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 18,045 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit