🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.52 AU - 0.64 AU

Year: 199 Days

Day: 15.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.56 AU - 0.88 AU

Year: 275 Days

Day: 18.1 Hours

Environment

Temp: -29 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.99 AU - 1.15 AU

Year: 498 Days

Day: 31.4 Hours

Environment

Temp: -81 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.9

Radius: 11.9

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.24 AU - 7.92 AU

Year: 7589 Days

Day: 14.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,292,762 km

• M1: 147,952 km (0.082 R)
• M2: 521,498 km (0.11 R)
• M3: 1,011,282 km (0.081 R)
• M4: 1,680,882 km (0.068 R)
• M5: 2,100,952 km (0.1 R)
• M6: 2,824,707 km (0.112 R)
• M7: 3,448,381 km (0.06 R)
• M8: 5,884,283 km (0.083 R)
• M9: 6,398,151 km (0.092 R)
• M10: 9,477,773 km (0.084 R)
• M11: 11,443,040 km (0.107 R)
• M12: 16,833,201 km (0.082 R)
• M13: 17,730,489 km (0.115 R)
• M14: 18,226,705 km (0.067 R)
• M15: 25,016,205 km (0.106 R)
• M16: 29,609,607 km (0.104 R)
• M17: 30,510,336 km (0.069 R)
• M18: 31,018,670 km (0.117 R)
• M19: 32,472,013 km (0.116 R)
• M20: 35,738,333 km (0.113 R)
• M21: 37,104,161 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.7

Radius: 11

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.05 AU - 8.25 AU

Year: 8596 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,292,762 km

• M1: 136,732 km (0.036 R)
• M2: 588,967 km (0.108 R)
• M3: 965,505 km (0.066 R)
• M4: 1,352,215 km (0.072 R)
• M5: 2,022,862 km (0.061 R)
• M6: 2,766,513 km (0.036 R)
• M7: 4,543,886 km (0.09 R)
• M8: 5,318,204 km (0.117 R)
• M9: 6,078,461 km (0.061 R)
• M10: 16,952,580 km (0.115 R)
• M11: 17,692,342 km (0.117 R)
• M12: 18,664,878 km (0.118 R)
• M13: 21,484,199 km (0.069 R)
• M14: 24,917,620 km (0.119 R)
• M15: 26,227,798 km (0.101 R)
• M16: 29,751,576 km (0.116 R)
• M17: 34,318,500 km (0.075 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: 255 - 16,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit