🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.43 AU - 0.59 AU

Year: 139 Days

Day: 32.8 Hours

Environment

Temp: 191 °C

Axial Tilt: 15.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.64 AU - 0.96 AU

Year: 274 Days

Day: 15.4 Hours

Environment

Temp: 156 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.87 AU - 0.95 AU

Year: 332 Days

Day: 45.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 36.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.13 AU - 1.21 AU

Year: 485 Days

Day: 41.2 Hours

Environment

Temp: 2 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.58 AU - 3.42 AU

Year: 1990 Days

Day: 16.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 17.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,861,805 km

• M1: 43,533 km (0.085 R)

Asteroid Belt

Center: 3.62 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.8

Radius: 8.3

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.72 AU - 4.76 AU

Year: 3343 Days

Day: 12.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,861,805 km

• M1: 104,569 km (0.113 R)
• M2: 509,381 km (0.089 R)
• M3: 1,071,420 km (0.066 R)
• M4: 2,647,733 km (0.071 R)
• M5: 3,389,589 km (0.11 R)
• M6: 5,103,831 km (0.103 R)
• M7: 5,830,876 km (0.055 R)
• M8: 6,304,802 km (0.12 R)
• M9: 7,048,154 km (0.071 R)
• M10: 7,915,373 km (0.111 R)
• M11: 10,094,565 km (0.1 R)
• M12: 10,614,717 km (0.119 R)
• M13: 15,862,311 km (0.078 R)
• M14: 21,162,564 km (0.098 R)
• M15: 21,881,980 km (0.104 R)
• M16: 22,685,171 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.1

Radius: 8.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.99 AU - 12.03 AU

Year: 13046 Days

Day: 7.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,861,805 km

• M1: 108,159 km (0.084 R)
• M2: 692,638 km (0.111 R)
• M3: 1,064,688 km (0.097 R)
• M4: 2,509,504 km (0.112 R)
• M5: 2,881,853 km (0.066 R)
• M6: 3,290,854 km (0.11 R)
• M7: 3,989,626 km (0.038 R)
• M8: 4,583,080 km (0.114 R)
• M9: 7,169,179 km (0.106 R)
• M10: 24,591,496 km (0.105 R)
• M11: 26,205,358 km (0.117 R)
• M12: 30,445,261 km (0.082 R)
• M13: 31,159,441 km (0.105 R)
• M14: 40,254,543 km (0.106 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 17,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit