🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.13 AU - 1.17 AU

Year: 470 Days

Day: 40.6 Hours

Environment

Temp: -9 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.92 AU - 1.38 AU

Year: 470 Days

Day: 34.7 Hours

Environment

Temp: -8 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.78 AU - 2.5 AU

Year: 1192 Days

Day: 19.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,866,195 km

• M1: 214,224 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.7 AU - 2.78 AU

Year: 1277 Days

Day: 44 Hours

Environment

Temp: -81 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.68 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.71 AU - 3.53 AU

Year: 2099 Days

Day: 24.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.1

Radius: 13.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.66 AU - 7.9 AU

Year: 7480 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,866,195 km

• M1: 165,156 km (0.111 R)
• M2: 578,645 km (0.11 R)
• M3: 2,550,045 km (0.064 R)
• M4: 3,159,357 km (0.114 R)
• M5: 3,679,060 km (0.073 R)
• M6: 5,324,188 km (0.056 R)
• M7: 5,838,057 km (0.099 R)
• M8: 6,355,366 km (0.111 R)
• M9: 10,667,824 km (0.108 R)
• M10: 13,746,249 km (0.077 R)
• M11: 18,326,637 km (0.119 R)
• M12: 20,992,920 km (0.068 R)
• M13: 23,476,095 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754

Radius: 12.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.18 AU - 12.48 AU

Year: 12643 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,866,195 km

• M1: 154,235 km (0.081 R)
• M2: 820,395 km (0.11 R)
• M3: 1,490,144 km (0.027 R)
• M4: 1,890,169 km (0.119 R)
• M5: 3,875,482 km (0.096 R)
• M6: 4,553,310 km (0.113 R)
• M7: 5,070,321 km (0.114 R)
• M8: 12,934,232 km (0.026 R)
• M9: 15,496,843 km (0.072 R)
• M10: 19,030,794 km (0.051 R)
• M11: 26,399,087 km (0.095 R)
• M12: 31,052,479 km (0.112 R)
• M13: 33,272,661 km (0.093 R)
• M14: 34,851,367 km (0.088 R)
• M15: 39,483,366 km (0.076 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 16,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit