🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.58 AU - 0.84 AU

Year: 220 Days

Day: 13.3 Hours

Environment

Temp: 196 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,176,688 km

• M1: 46,525 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.95 AU - 1.07 AU

Year: 373 Days

Day: 45.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.12 AU - 1.42 AU

Year: 525 Days

Day: 46.9 Hours

Environment

Temp: -9 °C

Axial Tilt: 162 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.4 AU - 2.72 AU

Year: 1504 Days

Day: 35.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.86 AU - 4.24 AU

Year: 2992 Days

Day: 23.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.03 AU - 4.29 AU

Year: 3115 Days

Day: 15 Hours

Environment

Temp: -123 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.4

Radius: 12.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.59 AU - 5.91 AU

Year: 3800 Days

Day: 11.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,176,688 km

• M1: 171,439 km (0.103 R)
• M2: 571,015 km (0.103 R)
• M3: 2,295,280 km (0.114 R)
• M4: 4,213,125 km (0.054 R)
• M5: 4,660,871 km (0.117 R)
• M6: 5,771,336 km (0.071 R)
• M7: 6,178,392 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.2

Radius: 10.7

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.79 AU - 11.33 AU

Year: 12597 Days

Day: 11.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,176,688 km

• M1: 133,292 km (0.12 R)
• M2: 766,240 km (0.089 R)
• M3: 1,495,081 km (0.088 R)
• M4: 3,185,387 km (0.117 R)
• M5: 3,544,123 km (0.052 R)
• M6: 4,107,509 km (0.079 R)
• M7: 6,162,385 km (0.087 R)
• M8: 9,133,100 km (0.105 R)
• M9: 10,145,877 km (0.1 R)
• M10: 11,437,356 km (0.075 R)
• M11: 12,230,673 km (0.113 R)
• M12: 12,724,047 km (0.05 R)
• M13: 13,868,022 km (0.106 R)
• M14: 14,404,629 km (0.085 R)
• M15: 14,893,216 km (0.079 R)
• M16: 16,163,152 km (0.114 R)
• M17: 24,465,385 km (0.094 R)
• M18: 24,811,704 km (0.109 R)
• M19: 26,411,055 km (0.104 R)
• M20: 27,983,628 km (0.074 R)
• M21: 28,362,560 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 15,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit