🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.63 AU - 0.79 AU

Year: 216 Days

Day: 35.1 Hours

Environment

Temp: 124 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,089,055 km

• M1: 83,476 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.79 AU - 0.81 AU

Year: 259 Days

Day: 16.7 Hours

Environment

Temp: 172 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,089,055 km

• M1: 45,029 km (0.09 R)
• M2: 385,813 km (0.107 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.84 AU - 1.28 AU

Year: 395 Days

Day: 42.1 Hours

Environment

Temp: 20 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.15 AU - 1.87 AU

Year: 671 Days

Day: 17 Hours

Environment

Temp: -42 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.56 AU - 1.9 AU

Year: 823 Days

Day: 45 Hours

Environment

Temp: -52 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.77 AU - 2.53 AU

Year: 1140 Days

Day: 14.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.02 AU - 3.74 AU

Year: 2247 Days

Day: 27.1 Hours

Environment

Temp: -99 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,089,055 km

• M1: 771,925 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256

Radius: 5.5

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 13.1 AU - 16.08 AU

Year: 20155 Days

Day: 23.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 104.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,089,055 km

• M1: 68,665 km (0.089 R)
• M2: 269,276 km (0.057 R)
• M3: 570,716 km (0.106 R)
• M4: 1,139,337 km (0.088 R)
• M5: 1,644,829 km (0.044 R)
• M6: 2,118,455 km (0.093 R)
• M7: 2,855,375 km (0.064 R)
• M8: 3,642,858 km (0.084 R)
• M9: 4,691,688 km (0.079 R)
• M10: 4,982,507 km (0.11 R)
• M11: 6,581,259 km (0.115 R)
• M12: 7,894,280 km (0.036 R)
• M13: 8,588,563 km (0.07 R)
• M14: 17,521,800 km (0.099 R)
• M15: 19,347,792 km (0.097 R)
• M16: 21,209,537 km (0.044 R)
• M17: 24,412,278 km (0.086 R)
• M18: 27,195,696 km (0.08 R)
• M19: 29,743,946 km (0.088 R)
• M20: 31,528,499 km (0.081 R)
• M21: 35,926,078 km (0.036 R)
• M22: 41,804,377 km (0.048 R)
• M23: 43,192,346 km (0.076 R)
• M24: 47,540,259 km (0.117 R)
• M25: 52,970,960 km (0.055 R)
• M26: 54,759,553 km (0.094 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 13,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit