🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.56 AU - 0.88 AU

Year: 216 Days

Day: 44.4 Hours

Environment

Temp: 210 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.48 AU - 1.56 AU

Year: 662 Days

Day: 26 Hours

Environment

Temp: -10 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 52,832,670 km

• M1: 464,801 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.31 AU - 1.85 AU

Year: 701 Days

Day: 22.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,832,670 km

• M1: 811,718 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.35 AU - 1.83 AU

Year: 708 Days

Day: 32.2 Hours

Environment

Temp: -31 °C

Axial Tilt: 124 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,832,670 km

• M1: 35,006 km (0.094 R)
• M2: 690,245 km (0.047 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.76 AU - 2.4 AU

Year: 1059 Days

Day: 15.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.26 AU - 2.72 AU

Year: 1387 Days

Day: 47 Hours

Environment

Temp: -81 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,832,670 km

• M1: 41,738 km (0.089 R)
• M2: 391,946 km (0.096 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.22 AU - 5.26 AU

Year: 4235 Days

Day: 39.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.6

Radius: 13.8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.31 AU - 7.45 AU

Year: 5690 Days

Day: 7.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,832,670 km

• M1: 184,155 km (0.112 R)
• M2: 705,952 km (0.116 R)
• M3: 1,213,239 km (0.085 R)
• M4: 2,617,813 km (0.093 R)
• M5: 3,766,725 km (0.119 R)
• M6: 4,773,967 km (0.112 R)
• M7: 6,176,298 km (0.108 R)
• M8: 6,959,742 km (0.072 R)
• M9: 7,986,282 km (0.103 R)
• M10: 11,675,815 km (0.084 R)
• M11: 12,874,692 km (0.077 R)
• M12: 14,154,053 km (0.077 R)
• M13: 15,237,142 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.1

Radius: 12.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.17 AU - 8.59 AU

Year: 6372 Days

Day: 7.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,832,670 km

• M1: 156,629 km (0.05 R)
• M2: 744,848 km (0.066 R)
• M3: 1,405,322 km (0.087 R)
• M4: 2,465,373 km (0.091 R)
• M5: 3,177,459 km (0.053 R)
• M6: 3,725,585 km (0.085 R)
• M7: 4,155,081 km (0.116 R)
• M8: 5,430,104 km (0.097 R)
• M9: 6,305,849 km (0.085 R)
• M10: 7,339,122 km (0.055 R)
• M11: 7,741,839 km (0.102 R)
• M12: 11,787,863 km (0.052 R)
• M13: 16,205,189 km (0.116 R)
• M14: 16,775,008 km (0.108 R)
• M15: 18,626,431 km (0.108 R)
• M16: 19,633,673 km (0.116 R)
• M17: 20,743,241 km (0.045 R)
• M18: 21,688,101 km (0.092 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.1

Radius: 11.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.94 AU - 12.96 AU

Year: 13681 Days

Day: 13.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,832,670 km

• M1: 147,952 km (0.104 R)
• M2: 833,111 km (0.118 R)
• M3: 1,520,962 km (0.113 R)
• M4: 2,723,878 km (0.077 R)
• M5: 4,598,489 km (0.112 R)
• M6: 5,269,435 km (0.078 R)
• M7: 8,164,154 km (0.098 R)
• M8: 11,751,212 km (0.113 R)
• M9: 14,677,945 km (0.087 R)
• M10: 15,220,536 km (0.117 R)
• M11: 19,320,116 km (0.087 R)
• M12: 24,290,057 km (0.108 R)
• M13: 35,682,683 km (0.079 R)
• M14: 40,904,247 km (0.032 R)
• M15: 44,607,841 km (0.082 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 15,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit