🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.74 AU - 0.92 AU

Year: 272 Days

Day: 30.7 Hours

Environment

Temp: 118 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,583,649 km

• M1: 160,219 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.73 AU - 1.17 AU

Year: 333 Days

Day: 20.7 Hours

Environment

Temp: 144 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,583,649 km

• M1: 663,317 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.98 AU - 1.04 AU

Year: 365 Days

Day: 44.3 Hours

Environment

Temp: 33 °C

Axial Tilt: 42.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.7

Radius: 14.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.91 AU - 11.19 AU

Year: 9798 Days

Day: 8 Hours

Environment

Temp: -158 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,583,649 km

• M1: 179,069 km (0.045 R)
• M2: 766,240 km (0.093 R)
• M3: 1,679,834 km (0.082 R)
• M4: 2,160,792 km (0.093 R)
• M5: 3,290,256 km (0.101 R)
• M6: 3,920,811 km (0.101 R)
• M7: 6,348,485 km (0.089 R)
• M8: 6,886,888 km (0.099 R)
• M9: 7,497,546 km (0.083 R)
• M10: 8,504,190 km (0.038 R)
• M11: 10,362,495 km (0.063 R)
• M12: 11,166,135 km (0.04 R)
• M13: 12,301,882 km (0.104 R)
• M14: 13,141,724 km (0.107 R)
• M15: 13,891,808 km (0.093 R)
• M16: 14,407,621 km (0.034 R)
• M17: 17,551,421 km (0.106 R)
• M18: 18,154,749 km (0.079 R)
• M19: 22,070,174 km (0.104 R)
• M20: 22,596,160 km (0.037 R)
• M21: 25,257,805 km (0.106 R)
• M22: 28,949,282 km (0.11 R)
• M23: 30,651,557 km (0.104 R)
• M24: 33,214,467 km (0.111 R)
• M25: 35,676,399 km (0.108 R)
• M26: 40,306,453 km (0.092 R)
• M27: 49,235,502 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.6

Radius: 10.5

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.8 AU - 10.7 AU

Year: 10957 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,583,649 km

• M1: 134,638 km (0.119 R)
• M2: 618,138 km (0.098 R)
• M3: 947,703 km (0.092 R)
• M4: 1,310,926 km (0.066 R)
• M5: 1,927,269 km (0.116 R)
• M6: 2,524,015 km (0.055 R)
• M7: 3,287,413 km (0.103 R)
• M8: 3,841,973 km (0.06 R)
• M9: 6,102,696 km (0.101 R)
• M10: 7,515,049 km (0.053 R)
• M11: 7,987,180 km (0.061 R)
• M12: 9,230,338 km (0.079 R)
• M13: 12,213,170 km (0.11 R)
• M14: 12,566,820 km (0.067 R)
• M15: 14,179,036 km (0.082 R)
• M16: 15,647,189 km (0.112 R)
• M17: 17,960,421 km (0.068 R)
• M18: 18,572,426 km (0.09 R)
• M19: 19,838,473 km (0.117 R)
• M20: 20,410,086 km (0.118 R)
• M21: 20,908,696 km (0.109 R)
• M22: 22,895,954 km (0.108 R)
• M23: 25,481,155 km (0.063 R)
• M24: 27,242,371 km (0.082 R)
• M25: 27,948,772 km (0.079 R)
• M26: 32,221,586 km (0.108 R)

Kuiper Belt

Range: 30.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 15,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit