🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.44 AU - 0.66 AU

Year: 148 Days

Day: 30 Hours

Environment

Temp: 187 °C

Axial Tilt: 42.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.73 AU - 0.85 AU

Year: 254 Days

Day: 46.4 Hours

Environment

Temp: 143 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.92 AU - 1.2 AU

Year: 395 Days

Day: 40.6 Hours

Environment

Temp: 14 °C

Axial Tilt: 18.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.28 AU - 1.36 AU

Year: 548 Days

Day: 16.3 Hours

Environment

Temp: -8 °C

Axial Tilt: 68.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.46 AU - 1.58 AU

Year: 678 Days

Day: 15.9 Hours

Environment

Temp: -32 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,961,408 km

• M1: 700,567 km (0.085 R)

Asteroid Belt

Center: 3.68 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 9.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.61 AU - 7.05 AU

Year: 5091 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,961,408 km

• M1: 121,922 km (0.112 R)
• M2: 477,816 km (0.118 R)
• M3: 797,057 km (0.091 R)
• M4: 1,303,895 km (0.096 R)
• M5: 1,933,852 km (0.099 R)
• M6: 2,639,505 km (0.074 R)
• M7: 3,052,395 km (0.098 R)
• M8: 3,696,563 km (0.036 R)
• M9: 4,076,991 km (0.117 R)
• M10: 5,911,509 km (0.052 R)
• M11: 6,838,717 km (0.089 R)
• M12: 8,979,762 km (0.077 R)
• M13: 11,707,679 km (0.083 R)

Asteroid Belt

Center: 6.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.2

Radius: 12

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.92 AU - 7.8 AU

Year: 7221 Days

Day: 10 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,961,408 km

• M1: 149,299 km (0.056 R)
• M2: 793,916 km (0.066 R)
• M3: 1,784,104 km (0.063 R)
• M4: 3,517,495 km (0.113 R)
• M5: 4,024,332 km (0.1 R)
• M6: 4,861,781 km (0.075 R)
• M7: 6,558,520 km (0.066 R)
• M8: 8,662,913 km (0.052 R)
• M9: 9,500,512 km (0.108 R)
• M10: 10,932,014 km (0.087 R)
• M11: 17,625,771 km (0.04 R)
• M12: 22,423,225 km (0.114 R)
• M13: 23,410,571 km (0.062 R)
• M14: 24,255,350 km (0.112 R)
• M15: 25,032,960 km (0.066 R)
• M16: 26,456,234 km (0.038 R)
• M17: 29,366,212 km (0.062 R)
• M18: 34,283,194 km (0.116 R)
• M19: 39,723,022 km (0.113 R)

Kuiper Belt

Range: 30.3 - 55.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 12,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit