🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.45 AU - 0.67 AU

Year: 159 Days

Day: 37.4 Hours

Environment

Temp: 133 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.51 AU - 0.69 AU

Year: 176 Days

Day: 19.4 Hours

Environment

Temp: 204 °C

Axial Tilt: 16 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,441,048 km

• M1: 42,486 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.91 AU - 0.95 AU

Year: 340 Days

Day: 17.5 Hours

Environment

Temp: 31 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,441,048 km

• M1: 70,610 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.86 AU - 1.12 AU

Year: 373 Days

Day: 13.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 41.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.4 AU - 2.02 AU

Year: 847 Days

Day: 44.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.53 AU - 3.87 AU

Year: 2168 Days

Day: 33.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.16 AU - 4.68 AU

Year: 2940 Days

Day: 47.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 10.2

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.29 AU - 6.77 AU

Year: 4925 Days

Day: 9.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,441,048 km

• M1: 126,859 km (0.111 R)
• M2: 508,034 km (0.117 R)
• M3: 1,094,159 km (0.106 R)
• M4: 1,541,008 km (0.095 R)
• M5: 2,107,834 km (0.066 R)
• M6: 3,513,007 km (0.096 R)
• M7: 4,646,360 km (0.048 R)
• M8: 5,406,766 km (0.077 R)
• M9: 6,432,708 km (0.07 R)
• M10: 7,514,451 km (0.052 R)
• M11: 7,864,958 km (0.075 R)
• M12: 8,300,139 km (0.114 R)
• M13: 8,713,178 km (0.11 R)
• M14: 12,094,539 km (0.109 R)
• M15: 22,366,826 km (0.088 R)
• M16: 24,063,715 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.5

Radius: 11.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.68 AU - 8.8 AU

Year: 8959 Days

Day: 9.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,441,048 km

• M1: 148,401 km (0.12 R)
• M2: 1,394,851 km (0.047 R)
• M3: 1,909,916 km (0.086 R)
• M4: 3,015,893 km (0.073 R)
• M5: 16,513,361 km (0.066 R)
• M6: 19,365,594 km (0.096 R)
• M7: 21,642,025 km (0.078 R)
• M8: 23,659,053 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.5

Radius: 4.5

Gravity: 35.88 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 13.08 AU - 15.74 AU

Year: 20718 Days

Day: 24.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,441,048 km

• M1: 55,950 km (0.069 R)
• M2: 203,752 km (0.055 R)
• M3: 345,870 km (0.101 R)
• M4: 780,751 km (0.066 R)
• M5: 1,387,819 km (0.12 R)
• M6: 1,836,164 km (0.085 R)
• M7: 3,637,622 km (0.114 R)
• M8: 4,621,527 km (0.066 R)
• M9: 4,911,448 km (0.057 R)
• M10: 10,648,526 km (0.117 R)
• M11: 16,862,522 km (0.066 R)
• M12: 17,117,587 km (0.092 R)
• M13: 18,074,864 km (0.096 R)
• M14: 18,431,654 km (0.087 R)
• M15: 19,067,296 km (0.072 R)
• M16: 20,286,518 km (0.107 R)
• M17: 29,562,933 km (0.107 R)
• M18: 30,433,293 km (0.103 R)
• M19: 32,094,428 km (0.117 R)
• M20: 33,013,557 km (0.094 R)
• M21: 37,873,394 km (0.054 R)
• M22: 49,326,308 km (0.06 R)
• M23: 55,831,571 km (0.069 R)
• M24: 60,869,728 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 17,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit