🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1 AU - 1.02 AU

Year: 355 Days

Day: 40.5 Hours

Environment

Temp: 159 °C

Axial Tilt: 48.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.91 AU - 1.21 AU

Year: 382 Days

Day: 37.7 Hours

Environment

Temp: 147 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.17 AU - 1.53 AU

Year: 549 Days

Day: 20.7 Hours

Environment

Temp: 24 °C

Axial Tilt: 22.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.04 AU - 1.74 AU

Year: 573 Days

Day: 18.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 67.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.63 AU - 3.01 AU

Year: 1657 Days

Day: 39.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.65 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718

Radius: 10.5

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 5.48 AU - 7.46 AU

Year: 5757 Days

Day: 9.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,724,368 km

• M1: 134,339 km (0.098 R)
• M2: 518,057 km (0.03 R)
• M3: 1,670,709 km (0.057 R)
• M4: 2,031,240 km (0.092 R)
• M5: 2,564,556 km (0.057 R)
• M6: 3,271,705 km (0.085 R)
• M7: 4,226,589 km (0.079 R)
• M8: 12,555,300 km (0.079 R)
• M9: 17,124,319 km (0.097 R)
• M10: 19,955,010 km (0.106 R)
• M11: 24,034,394 km (0.054 R)
• M12: 25,093,696 km (0.093 R)
• M13: 30,201,417 km (0.11 R)
• M14: 32,209,768 km (0.106 R)
• M15: 32,799,483 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.2

Radius: 13.3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.42 AU - 7.52 AU

Year: 6438 Days

Day: 11.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,724,368 km

• M1: 213,327 km (0.083 R)
• M2: 676,482 km (0.041 R)
• M3: 1,541,756 km (0.114 R)
• M4: 2,453,854 km (0.114 R)
• M5: 3,590,498 km (0.07 R)
• M6: 4,133,988 km (0.079 R)
• M7: 4,890,504 km (0.11 R)
• M8: 6,165,078 km (0.115 R)
• M9: 12,142,111 km (0.087 R)
• M10: 12,798,995 km (0.032 R)
• M11: 15,490,112 km (0.118 R)
• M12: 17,312,662 km (0.114 R)
• M13: 18,080,249 km (0.09 R)
• M14: 20,590,801 km (0.114 R)
• M15: 21,818,849 km (0.117 R)
• M16: 22,338,552 km (0.081 R)
• M17: 23,248,706 km (0.061 R)
• M18: 24,183,244 km (0.112 R)
• M19: 25,550,120 km (0.1 R)
• M20: 29,146,901 km (0.038 R)
• M21: 30,787,092 km (0.084 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 16,707 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit