🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.52 AU - 0.72 AU

Year: 179 Days

Day: 18.5 Hours

Environment

Temp: 198 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.72 AU - 0.96 AU

Year: 283 Days

Day: 27.2 Hours

Environment

Temp: 160 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.03 AU - 1.57 AU

Year: 544 Days

Day: 26.9 Hours

Environment

Temp: -19 °C

Axial Tilt: 3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,243,285 km

• M1: 28,424 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.79 AU - 3.07 AU

Year: 1841 Days

Day: 26 Hours

Environment

Temp: -112 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.5

Radius: 9.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.15 AU - 11.67 AU

Year: 12330 Days

Day: 11.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,243,285 km

• M1: 115,639 km (0.047 R)
• M2: 412,591 km (0.118 R)
• M3: 1,742,965 km (0.062 R)
• M4: 3,055,537 km (0.026 R)
• M5: 3,955,816 km (0.093 R)
• M6: 4,813,461 km (0.094 R)
• M7: 5,146,017 km (0.083 R)
• M8: 7,840,125 km (0.027 R)
• M9: 9,141,926 km (0.113 R)
• M10: 9,653,551 km (0.101 R)
• M11: 10,282,759 km (0.083 R)
• M12: 16,339,229 km (0.109 R)
• M13: 20,735,910 km (0.118 R)
• M14: 26,792,231 km (0.085 R)
• M15: 29,412,886 km (0.118 R)
• M16: 31,670,767 km (0.086 R)
• M17: 37,110,445 km (0.049 R)
• M18: 38,772,028 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.6

Radius: 14.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.83 AU - 12.13 AU

Year: 12454 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,243,285 km

• M1: 178,620 km (0.089 R)
• M2: 628,311 km (0.074 R)
• M3: 1,741,319 km (0.096 R)
• M4: 3,720,798 km (0.045 R)
• M5: 6,294,480 km (0.111 R)
• M6: 10,087,833 km (0.106 R)
• M7: 11,151,025 km (0.053 R)
• M8: 12,346,312 km (0.082 R)
• M9: 12,883,967 km (0.116 R)
• M10: 18,685,821 km (0.084 R)
• M11: 20,205,436 km (0.105 R)
• M12: 23,854,727 km (0.056 R)
• M13: 25,931,893 km (0.108 R)
• M14: 31,426,922 km (0.087 R)
• M15: 32,206,327 km (0.033 R)
• M16: 39,553,527 km (0.09 R)
• M17: 42,321,387 km (0.101 R)
• M18: 43,546,295 km (0.091 R)
• M19: 46,495,916 km (0.08 R)
• M20: 48,830,989 km (0.069 R)
• M21: 49,576,585 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 20,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit