🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.81 AU - 0.87 AU

Year: 281 Days

Day: 22.9 Hours

Environment

Temp: 97 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 106,603,220 km

• M1: 377,136 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.13 AU - 1.15 AU

Year: 445 Days

Day: 48 Hours

Environment

Temp: 12 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.04 AU - 1.38 AU

Year: 486 Days

Day: 45.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 106,603,220 km

• M1: 506,538 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.18 AU - 1.34 AU

Year: 517 Days

Day: 44.9 Hours

Environment

Temp: -9 °C

Axial Tilt: 12.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 106,603,220 km

• M1: 48,919 km (0.102 R)
• M2: 284,386 km (0.11 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.13 AU - 2.97 AU

Year: 1487 Days

Day: 33.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,603,220 km

• M1: 182,360 km (0.088 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.41 AU - 3.47 AU

Year: 1841 Days

Day: 36.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 18.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861

Radius: 7.4

Gravity: 15.72 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 16.57 AU - 20.87 AU

Year: 29583 Days

Day: 16.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 106,603,220 km

• M1: 137,032 km (0.111 R)
• M2: 416,780 km (0.104 R)
• M3: 845,976 km (0.056 R)
• M4: 1,135,897 km (0.044 R)
• M5: 1,456,784 km (0.101 R)
• M6: 2,051,735 km (0.119 R)
• M7: 3,919,763 km (0.111 R)
• M8: 5,061,345 km (0.073 R)
• M9: 5,356,950 km (0.107 R)
• M10: 6,507,807 km (0.089 R)
• M11: 8,210,829 km (0.046 R)
• M12: 12,470,179 km (0.101 R)
• M13: 14,137,896 km (0.1 R)
• M14: 14,471,649 km (0.079 R)
• M15: 15,241,779 km (0.051 R)
• M16: 15,949,078 km (0.109 R)
• M17: 18,597,409 km (0.078 R)
• M18: 24,746,779 km (0.095 R)
• M19: 28,407,738 km (0.117 R)
• M20: 29,342,725 km (0.076 R)
• M21: 37,892,243 km (0.055 R)
• M22: 57,963,640 km (0.084 R)
• M23: 63,673,641 km (0.115 R)
• M24: 79,040,035 km (0.079 R)
• M25: 79,827,668 km (0.109 R)
• M26: 96,701,859 km (0.099 R)
• M27: 97,602,887 km (0.056 R)
• M28: 104,382,064 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 11,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit