🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.49 AU - 0.71 AU

Year: 179 Days

Day: 45.2 Hours

Environment

Temp: 115 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.65 AU - 0.65 AU

Year: 202 Days

Day: 38.7 Hours

Environment

Temp: 187 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,886,174 km

• M1: 403,166 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.81 AU - 1.33 AU

Year: 426 Days

Day: 28.6 Hours

Environment

Temp: -18 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.59 AU - 2.47 AU

Year: 1114 Days

Day: 37 Hours

Environment

Temp: -94 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.05 AU - 4.15 AU

Year: 2630 Days

Day: 27.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.7

Radius: 14.4

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.08 AU - 8 AU

Year: 6439 Days

Day: 6.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,886,174 km

• M1: 179,069 km (0.071 R)
• M2: 726,746 km (0.101 R)
• M3: 1,444,218 km (0.032 R)
• M4: 2,260,573 km (0.066 R)
• M5: 2,819,621 km (0.098 R)
• M6: 3,745,482 km (0.081 R)
• M7: 4,412,539 km (0.099 R)
• M8: 5,518,815 km (0.078 R)
• M9: 7,480,492 km (0.103 R)
• M10: 8,892,397 km (0.051 R)
• M11: 10,652,715 km (0.069 R)
• M12: 11,900,810 km (0.047 R)
• M13: 13,451,841 km (0.085 R)
• M14: 15,190,467 km (0.072 R)
• M15: 16,469,828 km (0.071 R)
• M16: 17,506,840 km (0.117 R)
• M17: 25,859,039 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.2

Radius: 11.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.75 AU - 8.49 AU

Year: 7315 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,886,174 km

• M1: 150,196 km (0.066 R)
• M2: 576,550 km (0.057 R)
• M3: 1,806,843 km (0.113 R)
• M4: 2,653,717 km (0.089 R)
• M5: 3,064,363 km (0.104 R)
• M6: 3,820,131 km (0.093 R)
• M7: 4,668,800 km (0.083 R)
• M8: 5,733,488 km (0.026 R)
• M9: 9,809,880 km (0.072 R)
• M10: 10,463,174 km (0.11 R)
• M11: 11,095,674 km (0.05 R)
• M12: 12,436,969 km (0.114 R)
• M13: 12,815,900 km (0.097 R)
• M14: 16,583,074 km (0.035 R)
• M15: 25,256,309 km (0.068 R)
• M16: 32,197,950 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 17,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit