🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.5 AU - 0.76 AU

Year: 184 Days

Day: 43.8 Hours

Environment

Temp: 143 °C

Axial Tilt: 31.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 11.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.76 AU - 4.94 AU

Year: 3921 Days

Day: 9.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,914,920 km

• M1: 139,874 km (0.07 R)
• M2: 646,712 km (0.088 R)
• M3: 1,175,540 km (0.102 R)
• M4: 1,545,944 km (0.088 R)
• M5: 2,320,113 km (0.072 R)
• M6: 2,710,863 km (0.096 R)
• M7: 3,128,839 km (0.089 R)
• M8: 4,282,089 km (0.041 R)
• M9: 5,724,811 km (0.109 R)
• M10: 7,165,888 km (0.096 R)
• M11: 18,419,687 km (0.117 R)
• M12: 19,631,579 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.7

Radius: 12

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.56 AU - 7.5 AU

Year: 5436 Days

Day: 6.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,914,920 km

• M1: 149,448 km (0.079 R)
• M2: 1,662,332 km (0.085 R)
• M3: 2,675,708 km (0.026 R)
• M4: 8,108,653 km (0.098 R)
• M5: 13,497,767 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.2

Radius: 12.9

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.56 AU - 7.36 AU

Year: 6740 Days

Day: 10.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,914,920 km

• M1: 173,234 km (0.105 R)
• M2: 649,554 km (0.045 R)
• M3: 1,166,115 km (0.074 R)
• M4: 2,326,995 km (0.112 R)
• M5: 3,125,399 km (0.089 R)
• M6: 3,998,452 km (0.118 R)
• M7: 4,412,090 km (0.101 R)
• M8: 4,854,451 km (0.102 R)
• M9: 5,356,950 km (0.091 R)
• M10: 5,926,768 km (0.106 R)
• M11: 6,749,407 km (0.074 R)
• M12: 8,165,201 km (0.097 R)
• M13: 8,622,073 km (0.106 R)
• M14: 11,942,697 km (0.098 R)
• M15: 15,337,372 km (0.118 R)
• M16: 17,289,325 km (0.072 R)
• M17: 18,750,747 km (0.062 R)
• M18: 19,695,756 km (0.112 R)
• M19: 20,368,498 km (0.108 R)
• M20: 22,398,242 km (0.117 R)
• M21: 22,967,163 km (0.085 R)
• M22: 23,545,508 km (0.082 R)
• M23: 26,765,752 km (0.11 R)
• M24: 27,591,382 km (0.115 R)
• M25: 29,583,877 km (0.117 R)
• M26: 32,284,417 km (0.073 R)
• M27: 37,144,104 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.7

Radius: 4.3

Gravity: 52.71 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 10.66 AU - 16.18 AU

Year: 18047 Days

Day: 15.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,914,920 km

• M1: 78,539 km (0.096 R)
• M2: 220,956 km (0.066 R)
• M3: 1,242,410 km (0.115 R)
• M4: 2,041,861 km (0.116 R)
• M5: 2,820,369 km (0.069 R)
• M6: 3,419,209 km (0.117 R)
• M7: 4,332,654 km (0.098 R)
• M8: 9,976,383 km (0.1 R)
• M9: 11,089,391 km (0.093 R)
• M10: 11,478,046 km (0.074 R)
• M11: 13,780,058 km (0.084 R)
• M12: 18,091,469 km (0.072 R)
• M13: 20,309,257 km (0.081 R)
• M14: 24,505,627 km (0.069 R)
• M15: 24,723,890 km (0.104 R)
• M16: 26,061,146 km (0.078 R)
• M17: 33,075,640 km (0.101 R)
• M18: 33,745,091 km (0.104 R)
• M19: 39,130,016 km (0.099 R)
• M20: 44,086,492 km (0.115 R)
• M21: 48,753,048 km (0.12 R)
• M22: 48,925,535 km (0.058 R)
• M23: 54,291,461 km (0.036 R)
• M24: 57,692,269 km (0.115 R)
• M25: 60,831,880 km (0.094 R)
• M26: 62,443,647 km (0.117 R)
• M27: 69,830,192 km (0.112 R)
• M28: 72,042,894 km (0.113 R)
• M29: 72,940,930 km (0.065 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: 232 - 15,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit