🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.57 AU - 0.93 AU

Year: 226 Days

Day: 26 Hours

Environment

Temp: 183 °C

Axial Tilt: 47.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.81 AU - 0.97 AU

Year: 292 Days

Day: 28.2 Hours

Environment

Temp: 143 °C

Axial Tilt: 5.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.12 AU - 1.48 AU

Year: 516 Days

Day: 37.5 Hours

Environment

Temp: 13 °C

Axial Tilt: 17 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,996,074 km

• M1: 246,687 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.22 AU - 2.62 AU

Year: 1311 Days

Day: 26.6 Hours

Environment

Temp: -61 °C

Axial Tilt: 73.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.47 AU - 3.75 AU

Year: 2389 Days

Day: 35.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.31 AU - 5.15 AU

Year: 3030 Days

Day: 33.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,996,074 km

• M1: 2,031,539 km (0.08 R)

Asteroid Belt

Center: 5.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.8

Radius: 10.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.07 AU - 8.19 AU

Year: 7340 Days

Day: 10.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,996,074 km

• M1: 205,996 km (0.115 R)
• M2: 842,086 km (0.085 R)
• M3: 1,190,649 km (0.072 R)
• M4: 1,525,150 km (0.103 R)
• M5: 2,195,947 km (0.118 R)
• M6: 3,762,686 km (0.072 R)
• M7: 4,244,092 km (0.08 R)
• M8: 5,214,533 km (0.11 R)
• M9: 6,593,975 km (0.103 R)
• M10: 11,085,053 km (0.081 R)
• M11: 11,623,605 km (0.069 R)
• M12: 12,386,105 km (0.069 R)
• M13: 13,454,234 km (0.116 R)
• M14: 16,517,849 km (0.08 R)
• M15: 22,248,046 km (0.091 R)
• M16: 23,026,852 km (0.054 R)
• M17: 23,985,027 km (0.098 R)
• M18: 31,354,517 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.7

Radius: 6.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 18.92 AU - 22.62 AU

Year: 32965 Days

Day: 16.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,996,074 km

• M1: 81,980 km (0.114 R)
• M2: 294,708 km (0.097 R)
• M3: 747,840 km (0.04 R)
• M4: 1,982,770 km (0.103 R)
• M5: 2,350,482 km (0.083 R)
• M6: 2,975,502 km (0.1 R)
• M7: 3,199,300 km (0.045 R)
• M8: 4,264,886 km (0.105 R)
• M9: 5,384,177 km (0.056 R)
• M10: 6,574,228 km (0.078 R)
• M11: 8,901,223 km (0.089 R)
• M12: 14,518,025 km (0.116 R)
• M13: 15,897,317 km (0.056 R)
• M14: 16,934,629 km (0.078 R)
• M15: 18,838,112 km (0.09 R)
• M16: 30,004,396 km (0.038 R)

Kuiper Belt

Range: 31.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 16,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit