🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.69 AU - 0.93 AU

Year: 279 Days

Day: 47.6 Hours

Environment

Temp: 50 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 41,405,450 km

• M1: 50,863 km (0.041 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.94 AU - 1.36 AU

Year: 472 Days

Day: 35.3 Hours

Environment

Temp: -22 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.46 AU - 1.46 AU

Year: 675 Days

Day: 40.3 Hours

Environment

Temp: -57 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.31 AU - 1.89 AU

Year: 775 Days

Day: 44.7 Hours

Environment

Temp: -60 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,405,450 km

• M1: 36,053 km (0.089 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.8 AU - 2.46 AU

Year: 1190 Days

Day: 47.4 Hours

Environment

Temp: -92 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225

Radius: 8.1

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.45 AU - 6.79 AU

Year: 6522 Days

Day: 14.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,405,450 km

• M1: 106,364 km (0.062 R)
• M2: 803,490 km (0.116 R)
• M3: 1,057,208 km (0.106 R)
• M4: 1,884,036 km (0.025 R)
• M5: 4,022,986 km (0.101 R)
• M6: 7,029,754 km (0.113 R)
• M7: 8,167,595 km (0.065 R)
• M8: 10,634,763 km (0.057 R)
• M9: 11,190,519 km (0.114 R)
• M10: 12,453,275 km (0.085 R)
• M11: 14,521,914 km (0.096 R)
• M12: 17,799,903 km (0.113 R)
• M13: 18,400,388 km (0.064 R)
• M14: 22,638,496 km (0.115 R)
• M15: 23,845,601 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.5

Radius: 4.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 13.08 AU - 19.22 AU

Year: 24850 Days

Day: 22.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,405,450 km

• M1: 59,690 km (0.073 R)
• M2: 408,253 km (0.044 R)
• M3: 672,742 km (0.12 R)
• M4: 994,377 km (0.089 R)
• M5: 2,308,146 km (0.091 R)
• M6: 3,627,599 km (0.092 R)
• M7: 5,771,037 km (0.059 R)
• M8: 7,554,543 km (0.074 R)
• M9: 14,239,623 km (0.077 R)
• M10: 18,065,140 km (0.109 R)
• M11: 22,112,809 km (0.07 R)
• M12: 22,771,937 km (0.063 R)
• M13: 25,539,947 km (0.106 R)
• M14: 28,138,911 km (0.101 R)
• M15: 30,603,835 km (0.103 R)
• M16: 33,101,820 km (0.062 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 18,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit