🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.55 AU - 0.89 AU

Year: 221 Days

Day: 17.8 Hours

Environment

Temp: 178 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.58 AU - 0.9 AU

Year: 230 Days

Day: 35.3 Hours

Environment

Temp: 161 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.34 AU - 1.48 AU

Year: 606 Days

Day: 37.5 Hours

Environment

Temp: -0 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 52,939,192 km

• M1: 95,443 km (0.074 R)
• M2: 736,919 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.74 AU - 1.86 AU

Year: 873 Days

Day: 26.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,939,192 km

• M1: 817,253 km (0.099 R)
• M2: 1,632,861 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.16 AU - 2.44 AU

Year: 1261 Days

Day: 17.3 Hours

Environment

Temp: -79 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.93 AU - 4.11 AU

Year: 2388 Days

Day: 31.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.2

Radius: 11.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.95 AU - 10.15 AU

Year: 9846 Days

Day: 12.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,939,192 km

• M1: 164,109 km (0.115 R)
• M2: 539,001 km (0.107 R)
• M3: 1,202,318 km (0.092 R)
• M4: 2,186,672 km (0.065 R)
• M5: 2,572,036 km (0.03 R)
• M6: 4,079,983 km (0.067 R)
• M7: 5,077,352 km (0.089 R)
• M8: 8,368,804 km (0.038 R)
• M9: 9,483,308 km (0.081 R)
• M10: 12,822,632 km (0.04 R)
• M11: 13,625,075 km (0.088 R)
• M12: 14,038,713 km (0.104 R)
• M13: 20,883,414 km (0.057 R)
• M14: 22,492,189 km (0.09 R)
• M15: 23,290,144 km (0.095 R)
• M16: 24,712,820 km (0.084 R)
• M17: 26,672,104 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 9.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.43 AU - 12.11 AU

Year: 12782 Days

Day: 8.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,939,192 km

• M1: 118,332 km (0.089 R)
• M2: 463,604 km (0.106 R)
• M3: 923,767 km (0.092 R)
• M4: 1,353,861 km (0.102 R)
• M5: 1,737,878 km (0.111 R)
• M6: 2,562,013 km (0.078 R)
• M7: 3,601,120 km (0.106 R)
• M8: 4,087,762 km (0.111 R)
• M9: 4,617,637 km (0.118 R)
• M10: 5,060,896 km (0.051 R)
• M11: 5,429,056 km (0.098 R)
• M12: 5,850,922 km (0.106 R)
• M13: 6,720,834 km (0.107 R)
• M14: 7,631,287 km (0.119 R)
• M15: 12,285,276 km (0.09 R)
• M16: 21,349,411 km (0.117 R)
• M17: 27,570,289 km (0.101 R)
• M18: 27,981,983 km (0.113 R)
• M19: 28,502,434 km (0.119 R)
• M20: 29,242,045 km (0.086 R)
• M21: 31,425,426 km (0.118 R)
• M22: 35,869,381 km (0.054 R)
• M23: 39,530,190 km (0.084 R)
• M24: 45,980,102 km (0.093 R)
• M25: 51,215,130 km (0.031 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 13,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit